CN102375885A

CN102375885A - Method and device for providing search suggestions corresponding to query sequence

Info

Publication number: CN102375885A
Application number: CN2011103226542A
Authority: CN
Inventors: 徐佳
Original assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Current assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Priority date: 2011-10-21
Filing date: 2011-10-21
Publication date: 2012-03-14

Abstract

The invention aims at providing a method and device for providing search suggestions corresponding to a query sequence. The method comprises the following steps of: obtaining the query sequence input by the user via user equipment to expand the category of the query sequence, thus obtaining one or more search suggestions corresponding to the query sequence, wherein the search suggestions are in category relation with at least one keyword in the query sequence; and providing at least one of the one or more search suggestions for the user equipment. In comparison with the prior art, the method expands the category of the query sequence input by the user to obtain one or more search suggestions which are in category relation with at least one keyword in the query sequence, thus, acquisition of the search result related to the category is possible for the user, and search experience of the user is improved.

Description

A kind of method and apparatus of advising that provides with the corresponding search of search sequence

Technical field

The present invention relates to the web search technical field, relate in particular to a kind of technology of advising that is used to provide with the corresponding search of search sequence.

Background technology

Along with the continuous development of web search technology, the user more and more relies on and the corresponding search suggestion of the search sequence of its input when carrying out web search, with quick acquisition Search Results comprehensively and accurately.Especially,, can predict, will emerge in large numbers more network search request based on data with classification relation along with further popularizing of internet, applications such as shopping at network.For example; For data with classification relation; Like " benz " and " benz S600 ", " benz SLK "; When user input query sequence " benz ", the Search Results of its expectation more possibly be the relevant specifications and models product of " benz ", and unlikely is " benz is sold " or " benz maintenance ".

Yet for such data with classification relation, existing web search technology can not provide the search suggestion of user expectation well.The existing network search technique; The search sequence of generally importing according to the user; Carry out suffix match, and select the input frequency, the higher search suggestion of the selection frequency to offer the user, its search that provides suggestion possibly be " benz is sold " or " maintenance of running quickly " or " benz ".And because the opening of internet, the data organization in the internet must present diversification, vary, and is different from the clear and unified data record of Field Definition in the traditional database.

Therefore,, the search that has the classification relation with it suggestion is provided, obtains the relevant Search Results of classification, promote its search experience, become those skilled in the art and need one of problem of solution badly to make things convenient for the user how according to the search sequence of user's input.

Summary of the invention

The purpose of this invention is to provide a kind of method and apparatus of advising that provides with the corresponding search of search sequence.

According to an aspect of the present invention, provide a kind of by the computer implemented method that is used to provide with the corresponding search suggestion of search sequence, wherein, this method comprises:

A obtains the search sequence of user through the subscriber equipment input;

B carries out the classification extension process to said search sequence, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence;

C is with at least one provides to said subscriber equipment in said one or more search suggestions.

According to a further aspect in the invention, also provide a kind of and be used to provide the suggestion with the corresponding search suggestion of search sequence that equipment is provided, wherein, this equipment comprises:

The inquiry deriving means is used to obtain the search sequence of user through the subscriber equipment input;

The classification expanding unit is used for said search sequence is carried out the classification extension process, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence;

The suggestion generator is used for said one or more search are advised that at least one provides to said subscriber equipment.

Compared with prior art; The present invention is through carrying out the classification extension process to the search sequence of user's input; There are one or more search suggestions of classification relation at least one keyword in acquisition and this search sequence; Become possibility thereby make the user obtain the relevant Search Results of classification, and promoted user's search experience.

Description of drawings

Through reading the detailed description of doing with reference to following accompanying drawing that non-limiting example is done, it is more obvious that other features, objects and advantages of the present invention will become:

Fig. 1 illustrates and is used to provide the equipment synoptic diagram with the corresponding search of search sequence suggestion according to one aspect of the invention;

Fig. 2 illustrate in accordance with a preferred embodiment of the present invention be used to provide the equipment synoptic diagram with the corresponding search of search sequence suggestion;

What Fig. 3 illustrated according to the present invention another preferred embodiment is used to provide the equipment synoptic diagram with the corresponding search suggestion of search sequence;

What Fig. 4 illustrated according to the present invention another preferred embodiment is used to provide the equipment synoptic diagram with the corresponding search suggestion of search sequence;

Fig. 5 illustrate according to a further aspect of the present invention be used to provide the method flow diagram with the corresponding search of search sequence suggestion;

Fig. 6 illustrate in accordance with a preferred embodiment of the present invention be used to provide the method flow diagram with the corresponding search of search sequence suggestion;

What Fig. 7 illustrated according to the present invention another preferred embodiment is used to provide the method flow diagram with the corresponding search suggestion of search sequence;

What Fig. 8 illustrated according to the present invention another preferred embodiment is used to provide the method flow diagram with the corresponding search suggestion of search sequence.

Same or analogous Reference numeral is represented same or analogous parts in the accompanying drawing.

Embodiment

Below in conjunction with accompanying drawing the present invention is described in further detail.

Fig. 1 illustrates and is used to provide the equipment synoptic diagram with the corresponding search of search sequence suggestion according to one aspect of the invention; Wherein, suggestion provides equipment 1 to comprise inquiry deriving means 101, classification expanding unit 102 and suggestion generator 103.

Suggestion provides equipment 1 to include but not limited to the cloud that network host, single network server, a plurality of webserver collection or a plurality of server constitute.At this, cloud is by constituting based on the great amount of calculation machine of cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is a kind of of Distributed Calculation, a super virtual machine of being made up of the loosely-coupled computing machine collection of a group.Those skilled in the art will be understood that above-mentioned suggestion provides equipment 1 to be merely for example, and other suggestions existing or that possibly occur from now on provide equipment as applicable to the present invention, also should be included in the protection domain of the present invention, and be contained in this at this with way of reference.

Wherein, inquiry deriving means 101 obtains the search sequence of user through the subscriber equipment input.Particularly, user's mutual through with subscriber equipment is such as through keyboard, mouse, telepilot, touch pad or hand-written equipment, input inquiry sequence in the input frame in browser software, application program or client software; Inquiry deriving means 101 perhaps through dynamic web page techniques such as JSP, ASP or PHP, obtains the search sequence that this user imports through such as calling the application programming interfaces (API) that this subscriber equipment provides.Those skilled in the art will be understood that the mode of the above-mentioned user's of obtaining search sequence is merely for example; The mode of other existing or search sequence of obtaining the user that possibly occur from now on is as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

102 pairs of said search sequence of classification expanding unit are carried out the classification extension process, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence.Particularly, 102 pairs of said search sequence of classification expanding unit mode of carrying out the classification extension process includes but not limited to:

1) based on predetermined classification extension rule; Search sequence to inquiry deriving means 101 is obtained is carried out the classification extension process; To obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

2) search sequence that the user who is obtained according to inquiry deriving means 101 imports; In the classification suggestion library, carry out matching inquiry; To obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

3) combine 1) with 2) described in mode, carry out the classification extension process to inquiring about the search sequence that deriving means 101 obtained.For example; Classification expanding unit 102 at first attempts in the classification suggestion library, carrying out matching inquiry; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; When in this classification suggestion library, not obtaining aforementioned search suggestion, based on predetermined classification extension rule, this search sequence is carried out the classification extension process again, to obtain aforementioned search suggestion.Preferably, the present invention can also be according to the classification mapping relations of the search of follow-up acquisition suggestion with this search sequence, set up or upgrade said classification suggestion library.

4) comprise said classification information when detecting the search sequence obtained of inquiry deriving means 101; According to this classification information; This search sequence is carried out said classification extension process, to obtain said one or more search suggestion, wherein; At least one keyword exists and the corresponding classification relation of said classification information in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

At this, the classification relation includes but not limited to the next classification relation and upper classification relation.Wherein, Said the next classification relation, i.e. search suggestion is the further the next object of search sequence, like " benz " and " benz S600 "; " benz S600 " is a kind of model specification of " benz ", i.e. " benz " further the next object aspect model specification; Said upper classification relation, i.e. search suggestion be the further upper object of search sequence, and like " bright ease " and " masses ", " bright ease " belongs to a brand under " masses ", and promptly " masses " are " bright ease " further upper object aspect brand.Those skilled in the art will be understood that above-mentioned classification relation is merely for example, and other classification relations existing or that possibly occur from now on also should be included in the protection domain of the present invention, and be contained in this at this with way of reference as applicable to the present invention.

Those skilled in the art will be understood that the above-mentioned mode that search sequence is carried out the classification extension process is merely for example; Other existing or modes that search sequence is carried out the classification extension process that possibly occur from now on are as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

Suggestion generator 103 is with at least one provides to said subscriber equipment in said one or more search suggestions.Particularly; One or more search suggestions that suggestion generator 103 is obtained after according to classification expanding unit 102 classification extension process; Adopt any known computing machine that the technological means of people's readable information is provided; For example screen display, loudspeaker plays etc. are with at least one provides to said subscriber equipment in said one or more search suggestions.With the screen display is example; In the one or more search suggestion that suggestion generator 103 is obtained classification expanding unit 102 at least one; Form with combobox, suspension frame etc. provides to said subscriber equipment with form in certain sequence, supplies the user to browse.Preferably; When said search suggestion provides to subscriber equipment with the form of suspension frame; It can be opened automatically, also can be that the user opens through clicking certain button or button, and it can be to show in certain fixing zone of the page; Also can confirm that its window size can be regulated by user's setting or according to the position of browsing object.The number of said search suggestion can be default also can being set by the user, selects last one or next search suggestion through pressed special function keys by the user, and this special function keys for example can be "+" and "-", " ↑ " and " ↓ ".More preferably, said search suggestion can also be that mode with roll display offers the user.Those skilled in the art will be understood that the above-mentioned mode of search suggestion that provides is merely for example; Other existing or modes that search suggestion is provided that possibly occur from now on are as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

The present invention is through carrying out the classification extension process to the search sequence of user's input; There are one or more search suggestions of classification relation at least one keyword in acquisition and this search sequence; Become possibility thereby make the user obtain the relevant Search Results of classification, and promoted user's search experience.

Preferably, to provide between each device of equipment 1 be constant work in suggestion.Particularly, inquiry deriving means 101 continues to obtain the search sequence of user through the subscriber equipment input; Classification expanding unit 102 continues said search sequence is carried out the classification extension process, and obtaining and the corresponding one or more search suggestions of said search sequence, wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Suggestion generator 103 continues at least one provides to said subscriber equipment in said one or more search suggestions.At this; It will be understood by those skilled in the art that search sequence that " continuing " is meant suggestion to be provided each device of equipment 1 and constantly obtain the user respectively, this search sequence is carried out the classification extension process and obtained one or more search suggestion, at least one search suggestion is provided to subscriber equipment, provide equipment 1 to stop to obtain the search sequence of user's input in a long time until this suggestion.

Preferably; Said classification expanding unit 102 is based on predetermined classification extension rule; Search sequence to inquiry deriving means 101 is obtained is carried out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Wherein, said classification extension rule based on following at least each to obtain said one or more search suggestion:

1) from the historical conversion record of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.At this; The historical conversion record of search sequence comprises the historical query sequence relevant with current search sequence of a plurality of users' historical conversion; Originally the search sequence of importing like a plurality of users is " benz ", and subsequently, these a plurality of users are transformed to this search sequence " benz slk " and search for; Classification expanding unit 102 obtains said historical conversion record through the inquiry log such as search engine or other search equipments; And then; From these historical conversion records; Confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword.For example; The search sequence of supposing user's input that inquiry deriving means 101 obtains is " benz "; Classification expanding unit 102 obtains the historical conversion record of a plurality of users based on " benz " from the historical conversion record of the user of search engine, comprise historical query sequences such as " benz slk ", " benz price ", " benz s600 "; Wherein, Historical query sequence " benz slk " comprises the keyword " benz " in this search sequence with " benz s600 ", and exists classification to concern with this keyword " benz ", and the classification here concerns that for example the classification between product and model concerns; Therefore, classification expanding unit 102 with these two historical query sequences as with the corresponding search of this search sequence " benz " suggestion.Preferably; Said historical conversion record can also comprise user's frequency of usage of said historical query sequence; Classification expanding unit 102 is according to user's frequency of usage of these historical query sequences; Select that user's frequency of usage satisfies frequency threshold value or the higher several historical query sequences that sort, with as with the corresponding search suggestion of said search sequence.

2) from said user's historical query record, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.At this, the record that comprises this user's input or conversion search sequence and inquire about, the historical record of clicking the search suggestion that in combobox or webpage, provides etc. are write down in historical query; Classification expanding unit 102 is through mutual with this user's subscriber equipment; Perhaps through obtaining said historical query record such as the inquiry log about this user in search engine or other search equipments; And then; From these historical querys record of this user, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword.

3) browse the record from the pairing user of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the character string of classification relation, with as said search suggestion with said keyword.At this; The pairing user of search sequence browses the anchor text that record comprises the Search Results of a plurality of user's historical viewings in the pairing Search Results of this search sequence; And the page relevant information of the Search Results page pointed of these user's historical viewings, such as page title, content of pages, page type etc.Classification expanding unit 102 directly obtains the pairing user of said search sequence through the inquiry log such as search engine or other search equipments and browses record; Perhaps obtain the Search Results of the corresponding user's historical viewings of this search sequence earlier from the inquiry log of search engine or other search equipments; Pass through again such as the access log of inquiring about other third party devices according to the Search Results of said user's historical viewings; Or, obtain corresponding user and browse record through resolving the pairing page of Search Results of said user's historical viewings; And then; Browse the record from users such as these anchor texts, page title, content of pages or page types; Confirm to comprise at least one keyword in the said search sequence and have the character string of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.For example; The search sequence of supposing user's input that inquiry deriving means 101 obtains is " benz "; And; In a plurality of Search Results of the pairing user's historical viewings of search sequence " benz ", have a Search Results, the page title of the pairing page of this Search Results is " a benz slk recent quotation "; Then classification expanding unit 102 obtains the corresponding user of this search sequence and browses record and comprise " benz slk recent quotation "; Therefrom extract keyword " benz " that comprises this search sequence and the character string that exists classification to concern with this keyword; Like " benz slk " etc., as with the corresponding search suggestion of this search sequence.

4) confirm with said search sequence in synonym and/or the class heading search suggestion that there is the classification relation near synonym of at least one keyword, with as said search suggestion.At this, the synonym of keyword and/or approximate speech comprise in the search sequence: according to this search sequence, preset modes such as dictionary or open dictionary through inquiry, corresponding synonym of keyword and/or near synonym in acquisition and this search sequence; Perhaps,, preset modes such as dictionary or open dictionary through inquiry, obtain and corresponding synonym of said keyword and/or near synonym the keyword that obtains after this search sequence word segmentation processing.At this, said dictionary or the open dictionary of presetting comprises that the synonym of a plurality of entries and/or nearly benefit film showing penetrate; Saidly preset dictionary or open stock and be stored in suggestion equipment 1 is provided, or be stored in and search engine or other third party devices of advising providing equipment 1 to be connected through network.Classification expanding unit 102 through according to such as this search sequence, from search engine or this search sequence that other third party devices obtained keyword, this search sequence carried out the keyword of word segmentation processing gained; Or its combination in any; In presetting dictionaries such as dictionary or open dictionary, inquire about, to obtain corresponding synonym and/or near synonym; And then; Through above-mentioned 1) to 3) described in one or more of mode; Perhaps, through in the classification suggestion library, carrying out matching inquiry, so that this synonym and/or near synonym are carried out the classification extension process; Obtain existing the class heading search suggestion of classification relation with this synonym and/or near synonym, with as with the corresponding search suggestion of this search sequence.

5) combine above-mentioned any multinomial classification extension rule, to obtain said search suggestion.For example, the search sequence of supposing the user input that inquiry deriving means 101 obtains is " benz "; Classification expanding unit 102 mutual through with search engine; Obtain historical conversion record of the corresponding user of this search sequence and user and browse record; Obtain the historical conversion record of a plurality of users, comprise historical query sequences such as " benz price ", " benz s600 ", wherein based on " benz "; Historical query sequence " benz s600 " comprises the keyword " benz " in this search sequence; And have classification relation with this keyword " benz ", therefore, classification expanding unit 102 with this historical query sequence " benz s600 " as advising with the corresponding search of this search sequence " benz "; Simultaneously; There is a Search Results in a plurality of Search Results of the pairing user's historical viewings of this search sequence " benz "; The page title of the pairing page of this Search Results is " a benz slk recent quotation "; Then classification expanding unit 102 therefrom extracts keyword " benz " that comprises this search sequence and the character string that exists classification to concern with this keyword, like " benz slk ", as advising with the corresponding search of this search sequence; Finally, comprise " benz s600 ", " benz slk " with the corresponding search suggestion of this search sequence " benz ".

Those skilled in the art will be understood that above-mentioned predetermined classification extension rule is merely for example; Other existing or predetermined classification extension rules that possibly occur from now on are as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

Preferably; The search sequence that the user that said classification expanding unit 102 is obtained according to inquiry deriving means 101 imports; In the classification suggestion library, carry out matching inquiry; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence.Particularly, classification expanding unit 102 carries out matching inquiry and includes but not limited to the mode that obtains said one or more search suggestion in the classification suggestion library:

1) search sequence that the user who is obtained according to inquiry deriving means 101 imports; Through cutting technology such as speech, function word identification; From this search sequence, extract a keyword,, in the classification suggestion library, carry out matching inquiry according to this keyword; Obtain to exist one or more search suggestions of classification relation with said keyword, with as with the corresponding one or more search suggestions of this search sequence.

2) search sequence that the user who is obtained according to inquiry deriving means 101 imports through cutting technology such as speech, function word identification, extracts a plurality of keywords from this search sequence:

A) respectively according to these a plurality of keywords; In the classification suggestion library, carry out matching inquiry; Obtain to exist with these a plurality of keywords respectively a plurality of search set of suggestions of classification relation; Get the union of these a plurality of search set of suggestions, advise as advising with the corresponding one or more search of this search sequence with the search that will be somebody's turn to do and concentrate;

B) comprehensive these a plurality of keywords carry out matching inquiry in the classification suggestion library, obtain all to exist with these a plurality of keywords the search suggestion of classification relation, with as with the corresponding one or more search suggestions of this search sequence.

More preferably, suggestion provides equipment 1 also to comprise suggestion updating device (not shown), and this suggestion updating device obtains the classification mapping relations of candidate sequence and candidate search suggestion according to the semantic analysis to a plurality of user inquiring sequences and/or the page; According to said classification mapping relations, set up or upgrade said classification suggestion library.Particularly, the mode of foundation of suggestion updating device or renewal classification suggestion library includes but not limited to:

1) through calling the application programming interfaces (API) that a plurality of subscriber equipmenies provide; Or pass through such as dynamic web page techniques such as JSP, ASP or PHP; Obtain a plurality of user inquiring sequences from these a plurality of subscriber equipment ends; Perhaps, the application programming interfaces (API) through third party's equipment such as calling search engine provide obtain a plurality of user inquiring sequences from third party device; Said a plurality of user inquiring sequences are carried out semantic analysis; As a user inquiring sequence is cut speech; Carry out semantic analysis in twos to cutting a plurality of keywords that obtain behind the speech, judge whether there is the classification relation between these two keywords, like upper classification relation or the next classification relation; If there is classification relation in the two, then by the two one of the candidate sequence that constitutes have the classification mapping relations between advising with the two candidate search that constitutes; Deposit candidate sequence that has the classification mapping relations and candidate search suggestion in said classification suggestion library, to realize foundation or renewal to this classification suggestion library.Preferably, at this, candidate sequence can also comprise other keywords in the corresponding search sequence with the candidate search suggestion.For example, search sequence " benz slk price " obtains three keywords " benz ", " slk " and " price " through cutting after speech is handled; Through semantic analysis; There is the next classification relation in " benz " with " slk "; There are the classification mapping relations between then not only candidate sequence " benz " and the candidate search suggestion " benz slk ", and also have the classification mapping relations between candidate sequence " benz price " and the candidate search suggestion " benz slk price ".

2) application programming interfaces (API) that provide through third party's equipment such as calling search engine obtain a plurality of pages, and obtain the page-describing sequence of each page through modes such as page analysis devices; These page-describing sequences are carried out semantic analysis, to obtain to exist the candidate sequence and the candidate search suggestion of classification mapping relations; Deposit candidate sequence that has the classification mapping relations and candidate search suggestion in said classification suggestion library, to realize foundation or renewal to this classification suggestion library.At this, the mode that the page-describing sequence is carried out semantic analysis is with front mode 1) in that search sequence is carried out the mode of semantic analysis is basic identical, so repeat no more, and mode by reference is contained in this.

At this; The classification mapping relations refer to that the mapping relations between candidate sequence and the candidate search suggestion satisfy the classification relation; Like upper classification relation or the next classification relation, concrete as: the classification mapping relations between the classification mapping relations between classification mapping relations, book name and publishing house between the trade name and the type of merchandise, star's title and star's masterpiece etc.

Those skilled in the art will be understood that above-mentioned classification mapping relations are merely for example, and other classification mapping relations existing or that possibly occur from now on also should be included in the protection domain of the present invention, and be contained in this at this with way of reference as applicable to the present invention.Those skilled in the art will be understood that the mode of above-mentioned foundation or renewal classification suggestion library is merely for example; Other foundation existing or that possibly occur from now on or the mode of upgrading the classification suggestion library are as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

Fig. 2 illustrate in accordance with a preferred embodiment of the present invention be used to provide the equipment synoptic diagram with the corresponding search of search sequence suggestion; Suggestion provides equipment 1 also to comprise classification pick-up unit 204.Followingly with reference to Fig. 2 the preferred embodiment is described in detail: particularly, inquiry deriving means 201 obtains the search sequence of user through the subscriber equipment input; Classification pick-up unit 204 detects said search sequence and whether comprises classification information; 202 pairs of said search sequence of classification expanding unit are carried out the classification extension process, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Suggestion generator 203 is with at least one provides to said subscriber equipment in said one or more search suggestions.Wherein, inquire about deriving means 201, advise that generator 203 is identical with corresponding intrument shown in Figure 1 respectively or basic identical, so locate to repeat no more, and mode by reference is contained in this.

Whether the user's that classification pick-up unit 204 detection inquiry deriving means 201 are obtained search sequence comprises classification information.Particularly, whether classification pick-up unit 204 detection users' search sequence comprises that the mode of classification information includes but not limited to:

1) according to the user's that obtained of inquiry deriving means 201 search sequence,, detects this search sequence and whether comprise classification information through this search sequence being cut modes such as speech, character string identification to do semantic analysis.For example; 204 pairs of search sequence of classification pick-up unit are cut and are obtained one or more keywords behind the speech and carry out semantic analysis; If find that this search sequence comprises keyword " model " or " specification ", can confirm that then this search sequence comprises classification information, like " model " or " specification ".

2) search sequence that directly will inquire about the user that deriving means 201 obtains is carried out matching inquiry in the classification information bank, whether comprise classification information to detect this search sequence.

3) user's that obtained of inquiry deriving means 201 search sequence is cut speech, will cut resulting partial query sequence behind the speech, in the classification information bank, carry out matching inquiry, whether comprise classification information to detect this search sequence.

At this, store sequence to be excavated in the said classification information bank with classification information, this classification information bank both can be arranged in suggestion provides equipment 1, also can be arranged in the third party device that provides equipment 1 to be connected through network with this suggestion.

Those skilled in the art will be understood that whether above-mentioned detection search sequence comprises that the mode of classification information is merely for example; The mode whether other detection search sequence existing or that possibly occur from now on comprise classification information is as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

When detecting this search sequence, classification pick-up unit 204 comprises classification information; Classification expanding unit 202 is according to said classification information; Said search sequence is carried out said classification extension process; With the corresponding one or more search suggestions of acquisition and said search sequence, wherein, at least one keyword existence and the corresponding classification relation of said classification information in said search suggestion and the said search sequence.Particularly, classification expanding unit 202 is according to said classification information, and the mode of search sequence being carried out the classification extension process includes but not limited to:

1) according to the detected said classification information of classification pick-up unit 204, the classification extension rule based on predetermined carries out the classification extension process to said search sequence.As from the historical conversion record of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence with the corresponding classification relation of this classification information, with as said search suggestion with said keyword; From said user's historical query record, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence with the corresponding classification relation of this classification information, with as said search suggestion with said keyword; Pairing user browses the record from said search sequence, confirms to comprise at least one keyword in the said search sequence and has the character string with the corresponding classification relation of this classification information with said keyword, with as said search suggestion; Confirm with said search sequence in synonym and/or the near synonym of at least one keyword have the class heading search suggestion with the corresponding classification relation of this classification information, with as said search suggestion.For example; The search sequence of user's input is " a benz model "; Classification pick-up unit 204 detects this search sequence and comprises classification information " model ", and then classification expanding unit 202 obtains the historical conversion record of a plurality of users based on " benz " from the user's of search engine historical conversion record; Comprise historical query sequences such as " benz slk ", " benz price ", " benz s600 "; Wherein, historical query sequence " benz slk " and " benz s600 " comprise the keyword " benz " in this search sequence, and exist and the corresponding classification relation of this classification information " model " with this keyword " benz "; Therefore, classification expanding unit 102 with these two historical query sequences as with the corresponding search of this search sequence " benz " suggestion.

2) according to the detected said classification information of classification pick-up unit 204, in the classification suggestion library, carry out matching inquiry, to obtain and the corresponding one or more search suggestions of this search sequence.For example; The search sequence of user's input is " a benz model "; Classification pick-up unit 204 detects this search sequence and comprises classification information " model "; Then classification expanding unit 202 carries out matching inquiry according to this classification information in the classification suggestion library, obtains and the corresponding search suggestion of this search sequence " benz model " " benz slk ", " benz s600 " etc.Preferably; Classification expanding unit 202 can also be according to the detected said classification information of classification pick-up unit 204; With the corresponding classification suggestion library of this classification information in carry out matching inquiry, to obtain and the corresponding one or more search suggestions of this search sequence.Connect precedent; Classification expanding unit 202 is according to this classification information; With the corresponding classification suggestion library of this classification information " model " about benz in carry out matching inquiry, obtain and the corresponding search suggestion of this search sequence " benz model " " benz slk ", " benz s600 " etc.At this; With the corresponding a plurality of search suggestions of the classification information that stores in the corresponding classification suggestion library of classification information and be scheduled to; Should with the corresponding classification suggestion library of the classification information database that can be a plurality of separations; Also can be integrated in the aforementioned classification suggestion library, and search suggestion wherein classified according to classification information.

3) combine 1) and 2) described in mode, according to classification information, said search sequence is carried out the classification extension process.For example; Classification expanding unit 202 is at first attempted according to classification information; In the classification suggestion library, carry out matching inquiry; With the corresponding one or more search suggestions of acquisition and said search sequence, wherein, at least one keyword existence and the corresponding classification relation of said classification information in said search suggestion and the said search sequence; When in this classification suggestion library, not obtaining aforementioned search suggestion, based on predetermined classification extension rule, this search sequence is carried out the classification extension process again, to obtain aforementioned search suggestion.Preferably, the present invention can also be according to the classification mapping relations of the search of follow-up acquisition suggestion with this search sequence, set up or upgrade said classification suggestion library.

At this; Whether the search sequence that the present invention at first detects user's input comprises classification information; When comprising classification information,, this search sequence is carried out the classification extension process according to this classification information; At least one keyword exists the one or more search that concern with the corresponding classification of this classification information to advise in acquisition and this search sequence; Make search suggestion and search sequence have clearer and more definite classification relation, become possibility thereby make the user obtain the relevant Search Results of classification, and promoted user's search experience.

Preferably, said classification pick-up unit 204 carries out matching inquiry according to said search sequence in the classification information bank, whether comprises said classification information to detect said search sequence.Particularly, classification pick-up unit 204 mode of in the classification information bank, carrying out matching inquiry includes but not limited to:

1) search sequence that directly will inquire about the user that deriving means 201 obtains is carried out matching inquiry in the classification information bank, when this classification information bank comprises with the corresponding classification information record of this search sequence, detect this search sequence and comprise classification information.

2) user's that obtained of inquiry deriving means 201 search sequence is cut speech; To cut resulting one or more partial query sequences behind the speech; In the classification information bank, carry out matching inquiry; When this classification information bank comprise with the partial query sequence in during at least one corresponding classification information record, detect this search sequence and comprise classification information.For example, the user's that inquiry deriving means 201 obtains search sequence is " price of benz ", and 204 pairs of these search sequence of classification pick-up unit are cut speech; Be cut into a plurality of partial query sequences " benz ", " " and " price ", in the classification information bank, carry out matching inquiry according to these a plurality of partial query sequences respectively, perhaps; Preferably; Remove wherein function word " ", in the classification information bank, carry out matching inquiry according to " benz ", " price " respectively again, suppose that this classification information bank comprises and the corresponding classification information of partial query sequence " benz " record; Like (benz; Model), then classification pick-up unit 204 judges that this search sequence comprises classification information, is " model " like classification information.

More preferably, suggestion provides equipment 1 also to comprise classification updating device (not shown), and this classification updating device extracts the sequence to be excavated with classification information according to predetermined classification information extraction rule; According to said sequence to be excavated, set up or upgrade said classification information bank.Particularly, the mode of foundation of classification updating device or renewal classification information bank includes but not limited to:

1) comprises the classification keyword when sequence to be excavated, should sequence to be excavated deposit the classification information bank in, to realize foundation or renewal to this classification information bank.Wherein, said classification keyword includes but not limited to commodity sign information (like identification informations such as trade names), books identification information (like identification informations such as book names), business web site identification information (like identification informations such as the site name of business web site, domain names) etc.The source of said classification keyword includes but not limited to goods catalogue, the library catalogue of public publication, and third party database, like electricity merchant site databases etc.

2) the co-occurrence frequency of classification information surpasses preset co-occurrence threshold value in sequence to be excavated and said classification information bank, should sequence to be excavated deposit the classification information bank in, to realize foundation or the renewal to this classification information bank.For example; The classification updating device regularly calculates classification information such as sequence to be excavated and model, specification and appears at the co-occurrence frequency in search sequence, search suggestion, anchor text, page title or the content of pages jointly; And compare with preset co-occurrence threshold value; Should be preset during the co-occurrence threshold value when surpassing, said sequence to be excavated is deposited in the classification information bank, with foundation or upgrade this classification information bank.

Those skilled in the art will be understood that above-mentioned classification suggestion library and classification information bank are merely example, and in practice, they can be two independent database, also can be integrated in the database.

Those skilled in the art will be understood that also above-mentioned suggestion updating device and classification updating device are merely example, and in practice, they can be two independently modules, also can be integrated in the module.

What Fig. 3 illustrated according to the present invention another preferred embodiment is used to provide the equipment synoptic diagram with the corresponding search suggestion of search sequence; Suggestion provides equipment 1 also to comprise the proposed recommendations device 305 and first searcher 306.Followingly with reference to Fig. 3 the preferred embodiment is described in detail: particularly, inquiry deriving means 301 obtains the search sequence of user through the subscriber equipment input; 302 pairs of said search sequence of classification expanding unit are carried out the classification extension process, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Proposed recommendations device 305 bases are advised the historical record of selecting of corresponding user with said one or more search, from said one or more search suggestions, select at least one, to advise as searching for the corresponding recommendation of said search sequence; First searcher 306 carries out matching inquiry according to said recommendation search suggestion in the search index storehouse, to obtain and corresponding first Search Results of said recommendation search suggestion; Suggestion generator 303 provides said first Search Results to said subscriber equipment.Wherein, inquiry deriving means 301 is identical or basic identical with Fig. 1 or corresponding intrument shown in Figure 2 respectively with classification expanding unit 302, so locate to repeat no more, and mode by reference is contained in this.

Proposed recommendations device 305 bases are advised the historical record of selecting of corresponding user with said one or more search, from said one or more search suggestions, select at least one, to advise as searching for the corresponding recommendation of said search sequence.Particularly; Proposed recommendations device 305 is according to one or more search suggestions of gained after classification expanding unit 302 classification extension process; Obtain with these one or more search through inquiry log and to advise the historical record of selecting of corresponding user such as search engine or other search equipments; User like said one or more search suggestions selects the frequency, selects record according to this history, from these one or more search suggestions, selects at least one; Select the highest one or more search suggestions of the frequency like the user, as recommending the search suggestion.

First searcher 306 carries out matching inquiry according to the 305 selected recommendation search suggestions of proposed recommendations device in the search index storehouse, to obtain and corresponding first Search Results of said recommendation search suggestion.For example, the search sequence of the inquiry user that deriving means 301 obtained input is " benz "; Classification expanding unit 302 obtains search suggestions such as " benz slk ", " benz s600 ", " benz c200 " through this search sequence is carried out the classification extension process; Proposed recommendations device 305 is advised the historical record of selecting of pairing user according to above-mentioned search; Selected search suggestion " benz s600 " like a plurality of user's history; This corresponding user of search suggestion selects the frequency the highest, should search for suggestion as recommending the search suggestion; First searcher 306 is directly recommended the search suggestion according to this, in the search index storehouse, carries out matching inquiry, obtains corresponding first Search Results, such as first Search Results such as " benz s600 quotation * * net ", " benz s600** pictures ".

Suggestion generator 303 provides said first Search Results to said subscriber equipment.Particularly; Suggestion generator 303 obtains first Search Results according to first searcher, 306 matching inquiries; Through such as dynamic web page techniques such as JSP, ASP or PHP; Said first Search Results with newly-generated webpage or Shipping Options Page, or is carried in the parent page with forms such as suspension frames, provides to said subscriber equipment one by one or once.

At this; The present invention is according to the historical record of selecting of user; From one or more search suggestions that coupling obtains, select at least one to recommend the search suggestion, directly offer the user, promote user's search experience according to this recommendation search proposes match search result corresponding.

What Fig. 4 illustrated according to the present invention another preferred embodiment is used to provide the equipment synoptic diagram with the corresponding search suggestion of search sequence; Suggestion provides equipment 1 also to comprise operation deriving means 407, second searcher 408 and search generator 409.Followingly with reference to Fig. 4 the preferred embodiment is described in detail: particularly, inquiry deriving means 401 obtains the search sequence of user through the subscriber equipment input; 402 pairs of said search sequence of classification expanding unit are carried out the classification extension process, to obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Suggestion generator 403 provides said first Search Results to said subscriber equipment; Operation deriving means 407 obtains said user at least one selection operation in the said one or more search suggestion, to confirm selecting sequence with the corresponding user of said selection operation; Second searcher 408 is selected sequence according to said user, in said search index storehouse, carries out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user; Search generator 409 provides said second Search Results to said subscriber equipment.Wherein, inquire about deriving means 401, classification expanding unit 402 and advise that generator 403 is identical or basic identical with Fig. 1, Fig. 2 or corresponding intrument shown in Figure 3 respectively, so locate to repeat no more, and mode by reference is contained in this.

Operation deriving means 407 obtains said user at least one selection operation in the said one or more search suggestion, to confirm selecting sequence with the corresponding user of said selection operation.Particularly; User's mutual through with subscriber equipment providing to one or more search suggestions of this subscriber equipment through selection operations such as clicking, double-click or hover, selected a search suggestion; The application programming interfaces (API) that operation deriving means 407 provides through calling this subscriber equipment; Perhaps pass through such as dynamic web page techniques such as JSP, ASP or PHP, the selection operation that has obtained this user reaches and the corresponding search suggestion of this selection operation, to select sequence as said user.

Second searcher 408 is selected sequence according to the user that operation deriving means 407 is obtained, and in said search index storehouse, carries out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user.

Search generator 409 passes through such as dynamic web page techniques such as JSP, ASP or PHP; Second Search Results that second searcher, 408 matching inquiries are obtained; With newly-generated webpage or Shipping Options Page; Or be carried in the parent page with forms such as suspension frames, provide to said subscriber equipment one by one or once.

Those skilled in the art will be understood that aforesaid operations deriving means and inquiry deriving means are merely example, and in practice, they can be two independently modules, also can be integrated in the module.

Those skilled in the art will be understood that also above-mentioned first searcher and second searcher are merely example, and in practice, they can be two independently modules, also can be integrated in the module.

Those skilled in the art will be understood that also above-mentioned suggestion generator and search generator are merely example, and in practice, they can be two independently modules, also can be integrated in the module.

Fig. 5 illustrate according to a further aspect of the present invention be used to provide the method flow diagram with the corresponding search of search sequence suggestion.

In step S501, suggestion provides equipment 1 to obtain the search sequence of user through the subscriber equipment input.Particularly, user's mutual through with subscriber equipment is such as through keyboard, mouse, telepilot, touch pad or hand-written equipment, input inquiry sequence in the input frame in browser software, application program or client software; In step S501, suggestion provides equipment 1 through such as calling the application programming interfaces (API) that this subscriber equipment provides, and perhaps through dynamic web page techniques such as JSP, ASP or PHP, obtains the search sequence that this user imports.Those skilled in the art will be understood that the mode of the above-mentioned user's of obtaining search sequence is merely for example; The mode of other existing or search sequence of obtaining the user that possibly occur from now on is as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

In step S502; Suggestion provides 1 pair of said search sequence of equipment to carry out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence.Particularly, in step S502, suggestion provides the equipment mode that 1 pair of said search sequence is carried out the classification extension process to include but not limited to:

1) based on predetermined classification extension rule; Search sequence in step S501, being obtained is carried out the classification extension process; To obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

2) search sequence of importing according to the user who in step S501, is obtained; In the classification suggestion library, carry out matching inquiry; To obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

3) combine 1) and 2) described in mode, the search sequence of in step S501, being obtained is carried out the classification extension process.For example; In step S502, suggestion provides equipment 1 at first to attempt in the classification suggestion library, carrying out matching inquiry, to obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; When in this classification suggestion library, not obtaining aforementioned search suggestion, based on predetermined classification extension rule, this search sequence is carried out the classification extension process again, to obtain aforementioned search suggestion.Preferably, the present invention can also be according to the classification mapping relations of the search of follow-up acquisition suggestion with this search sequence, set up or upgrade said classification suggestion library.

4) comprise said classification information when the search sequence that detects suggestion and provide equipment 1 in step S501, to be obtained; According to this classification information; This search sequence is carried out said classification extension process, to obtain said one or more search suggestion, wherein; At least one keyword exists and the corresponding classification relation of said classification information in said search suggestion and the said search sequence, and hereinafter will further describe this embodiment.

In step S503, suggestion provides equipment 1 with at least one provides to said subscriber equipment in said one or more search suggestions.Particularly; In step S503; Suggestion provides equipment 1 according to the one or more search suggestions that in step S502, obtained after the classification extension process; Adopt any known computing machine that the technological means of people's readable information is provided, for example screen display, loudspeaker plays etc. are with at least one provides to said subscriber equipment in said one or more search suggestions.With the screen display is example; In step S503, suggestion provides in one or more search suggestions that equipment 1 will be obtained at least one in step S502, with the form of combobox, suspension frame etc.; Provide to said subscriber equipment with form in certain sequence, supply the user to browse.Preferably; When said search suggestion provides to subscriber equipment with the form of suspension frame; It can be opened automatically, also can be that the user opens through clicking certain button or button, and it can be to show in certain fixing zone of the page; Also can confirm that its window size can be regulated by user's setting or according to the position of browsing object.The number of said search suggestion can be default also can being set by the user, selects last one or next search suggestion through pressed special function keys by the user, and this special function keys for example can be "+" and "-", " ↑ " and " ↓ ".More preferably, said search suggestion can also be that mode with roll display offers the user.Those skilled in the art will be understood that the above-mentioned mode of search suggestion that provides is merely for example; Other existing or modes that search suggestion is provided that possibly occur from now on are as applicable to the present invention; Also should be included in the protection domain of the present invention, and be contained in this with way of reference at this.

Preferably, to provide between each step of equipment 1 be constant work in suggestion.Particularly, in step S501, suggestion provides equipment 1 to continue to obtain the search sequence of user through the subscriber equipment input; In step S502; Suggestion provides equipment 1 to continue said search sequence is carried out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; In step S503, suggestion provides equipment 1 to continue at least one provides to said subscriber equipment in said one or more search suggestions.At this; It will be understood by those skilled in the art that search sequence that " continuing " is meant suggestion to be provided each step of equipment 1 and constantly obtain the user respectively, this search sequence is carried out the classification extension process and obtained one or more search suggestions, at least one search suggestion is provided to subscriber equipment, provide equipment 1 to stop to obtain the search sequence of user's input in a long time until this suggestion.

Preferably; In step S502; Suggestion provides equipment 1 based on predetermined classification extension rule, and the search sequence of in step S501, being obtained is carried out the classification extension process, to obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; Wherein, said classification extension rule based on following at least each to obtain said one or more search suggestion:

1) from the historical conversion record of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.At this; The historical conversion record of search sequence comprises the historical query sequence relevant with current search sequence of a plurality of users' historical conversion; Originally the search sequence of importing like a plurality of users is " benz ", and subsequently, these a plurality of users are transformed to this search sequence " benz slk " and search for; In step S502; Suggestion provides equipment 1 to obtain said historical conversion record through the inquiry log such as search engine or other search equipments; And then; From these historical conversion records, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword.For example, suppose in step S501 that the search sequence that the user that suggestion provides equipment 1 to obtain imports is " benz "; In step S502, suggestion provides equipment 1 from the historical conversion record of the user of search engine, obtains the historical conversion record of a plurality of users based on " benz "; Comprise historical query sequences such as " benz slk ", " benz price ", " benz s600 "; Wherein, historical query sequence " benz slk " and " benz s600 " comprise the keyword " benz " in this search sequence, and have the classification relation with this keyword " benz "; The classification here concerns the for example relation of the classification between product and model; Therefore, in step S502, suggestion provide equipment 1 with these two historical query sequences as advising with the corresponding search of this search sequence " benz ".Preferably; Said historical conversion record can also comprise user's frequency of usage of said historical query sequence; In step S502; Suggestion provides the user frequency of usage of equipment 1 according to these historical query sequences, selects that user's frequency of usage satisfies frequency threshold value or the higher several historical query sequences that sort, with as with the corresponding search suggestion of said search sequence.

2) from said user's historical query record, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.At this, the record that comprises this user's input or conversion search sequence and inquire about, the historical record of clicking the search suggestion that in combobox or webpage, provides etc. are write down in historical query; In step S502; Suggestion provides equipment 1 through mutual with this user's subscriber equipment; Perhaps through obtaining said historical query record such as the inquiry log about this user in search engine or other search equipments, and then, from these historical querys records of this user; Confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword.

3) browse the record from the pairing user of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the character string of classification relation, with as said search suggestion with said keyword.At this; The pairing user of search sequence browses the anchor text that record comprises the Search Results of a plurality of user's historical viewings in the pairing Search Results of this search sequence; And the page relevant information of the Search Results page pointed of these user's historical viewings, such as page title, content of pages, page type etc.In step S502; Suggestion provides equipment 1 directly to obtain the pairing user of said search sequence through the inquiry log such as search engine or other search equipments and browses record; Perhaps obtain the Search Results of the corresponding user's historical viewings of this search sequence earlier from the inquiry log of search engine or other search equipments; Pass through again such as the access log of inquiring about other third party devices according to the Search Results of said user's historical viewings; Or, obtain corresponding user and browse record through resolving the pairing page of Search Results of said user's historical viewings; And then; Browse the record from users such as these anchor texts, page title, content of pages or page types; Confirm to comprise at least one keyword in the said search sequence and have the character string of classification relation with said keyword, with as with the corresponding search suggestion of this search sequence.For example; Suppose in step S501; The search sequence that the user that suggestion provides equipment 1 to obtain imports is " benz "; And, in a plurality of Search Results of the pairing user's historical viewings of search sequence " benz ", there is a Search Results, the page title of the pairing page of this Search Results is " a benz slk recent quotation "; Then in step S502; The user that suggestion provides equipment 1 to obtain this search sequence correspondence browses record and comprises " benz slk recent quotation "; Therefrom extract keyword " benz " that comprises this search sequence and the character string that exists classification to concern with this keyword; Like " benz slk " etc., as with the corresponding search suggestion of this search sequence.

4) confirm with said search sequence in synonym and/or the class heading search suggestion that there is the classification relation near synonym of at least one keyword, with as said search suggestion.At this, the synonym of keyword and/or approximate speech comprise in the search sequence: according to this search sequence, preset modes such as dictionary or open dictionary through inquiry, corresponding synonym of keyword and/or near synonym in acquisition and this search sequence; Perhaps,, preset modes such as dictionary or open dictionary through inquiry, obtain and corresponding synonym of said keyword and/or near synonym the keyword that obtains after this search sequence word segmentation processing.At this, said dictionary or the open dictionary of presetting comprises that the synonym of a plurality of entries and/or nearly benefit film showing penetrate; Saidly preset dictionary or open stock and be stored in suggestion equipment 1 is provided, or be stored in and search engine or other third party devices of advising providing equipment 1 to be connected through network.In step S502; Suggestion provide equipment 1 through according to such as this search sequence, from search engine or this search sequence that other third party devices obtained keyword, this search sequence carried out the keyword of word segmentation processing gained; Or its combination in any; In presetting dictionaries such as dictionary or open dictionary, inquire about, to obtain corresponding synonym and/or near synonym; And then; Through above-mentioned 1) to 3) described in one or more of mode; Perhaps, through in the classification suggestion library, carrying out matching inquiry, so that this synonym and/or near synonym are carried out the classification extension process; Obtain existing the class heading search suggestion of classification relation with this synonym and/or near synonym, with as with the corresponding search suggestion of this search sequence.

5) combine above-mentioned any multinomial classification extension rule, to obtain said search suggestion.For example, suppose in step S501 that the search sequence that the user that suggestion provides equipment 1 to obtain imports is " benz "; In step S502, suggestion provides equipment 1 mutual through with search engine, obtains historical conversion record of the corresponding user of this search sequence and user and browses record; Obtain the historical conversion record of a plurality of users based on " benz "; Comprise historical query sequences such as " benz price ", " benz s600 ", wherein, historical query sequence " benz s600 " comprises the keyword " benz " in this search sequence; And there is the classification relation with this keyword " benz "; Therefore, in step S502, suggestion provide equipment 1 with this historical query sequence " benz s600 " as advising with the corresponding search of this search sequence " benz "; Simultaneously; There is a Search Results in a plurality of Search Results of the pairing user's historical viewings of this search sequence " benz "; The page title of the pairing page of this Search Results is " benz slk recent quotation ", then in step S502, and suggestion keyword " benz " that comprises this search sequence that provides equipment 1 therefrom to extract and the character string that exists classification to concern with this keyword; Like " benz slk "; As advising with the corresponding search of this search sequence, final, comprise " benz s600 ", " benz slk " with the corresponding search suggestion of this search sequence " benz ".

Preferably; In step S502; Suggestion provides the search sequence of equipment 1 according to user's input of in step S501, being obtained, and in the classification suggestion library, carries out matching inquiry, to obtain and the corresponding one or more search suggestions of said search sequence; Wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence.Particularly, in step S502, suggestion provides equipment 1 in the classification suggestion library, to carry out matching inquiry and includes but not limited to the mode that obtains said one or more search suggestions:

1) search sequence of importing according to the user who in step S501, is obtained; Through cutting technology such as speech, function word identification; From this search sequence, extract a keyword,, in the classification suggestion library, carry out matching inquiry according to this keyword; Obtain to exist one or more search suggestions of classification relation with said keyword, with as with the corresponding one or more search suggestions of this search sequence.

2) according to the search sequence of user's input of in step S501, being obtained,, from this search sequence, extract a plurality of keywords through cutting technology such as speech, function word identification:

More preferably, in step S510 (not shown), suggestion provides equipment 1 according to the semantic analysis to a plurality of user inquiring sequences and/or the page, obtains the classification mapping relations of candidate sequence and candidate search suggestion; According to said classification mapping relations, set up or upgrade said classification suggestion library.Particularly, in step S510, suggestion provides equipment 1 to set up or the mode of renewal classification suggestion library includes but not limited to:

Fig. 6 illustrate in accordance with a preferred embodiment of the present invention be used to provide the method flow diagram with the corresponding search of search sequence suggestion.Followingly with reference to Fig. 6 the preferred embodiment is described in detail: particularly, in step S601, suggestion provides equipment 1 to obtain the search sequence of user through the subscriber equipment input; In step S604, suggestion provides the said search sequence of equipment 1 detection whether to comprise classification information; In step S602; Suggestion provides 1 pair of said search sequence of equipment to carry out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; In step S603, suggestion provides equipment 1 with at least one provides to said subscriber equipment in said one or more search suggestions.Wherein, step S601, S603 are identical or basic identical with corresponding step shown in Figure 5 respectively, so locate to repeat no more, and mode by reference is contained in this.

In step S604, whether the search sequence that suggestion provides equipment 1 to detect the user who in step S601, is obtained comprises classification information.Particularly, in step S604, whether the search sequence that suggestion provides equipment 1 to detect the user comprises that the mode of classification information includes but not limited to:

1) according to the user's who in step S601, is obtained search sequence,, detects this search sequence and whether comprise classification information through this search sequence being cut modes such as speech, character string identification to do semantic analysis.For example; In step S604, suggestion provides 1 pair of search sequence of equipment to cut to obtain one or more keywords behind the speech carries out semantic analysis, if find that this search sequence comprises keyword " model " or " specification "; Can confirm that then this search sequence comprises classification information, like " model " or " specification ".

The user's that 2) directly will in step S601, obtain search sequence is carried out matching inquiry in the classification information bank, whether comprise classification information to detect this search sequence.

3) user's that in step S601, obtained search sequence is cut speech, will cut resulting partial query sequence behind the speech, in the classification information bank, carry out matching inquiry, whether comprise classification information to detect this search sequence.

When in step S604; Advise that providing equipment 1 to detect this search sequence comprises classification information, in step S602, suggestion provides equipment 1 according to said classification information; Said search sequence is carried out said classification extension process; With the corresponding one or more search suggestions of acquisition and said search sequence, wherein, at least one keyword existence and the corresponding classification relation of said classification information in said search suggestion and the said search sequence.Particularly, in step S602, suggestion provides equipment 1 according to said classification information, and the mode of search sequence being carried out the classification extension process includes but not limited to:

1) according to said classification information detected in step S604, the classification extension rule based on predetermined carries out the classification extension process to said search sequence.As from the historical conversion record of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence with the corresponding classification relation of this classification information, with as said search suggestion with said keyword; From said user's historical query record, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence with the corresponding classification relation of this classification information, with as said search suggestion with said keyword; Pairing user browses the record from said search sequence, confirms to comprise at least one keyword in the said search sequence and has the character string with the corresponding classification relation of this classification information with said keyword, with as said search suggestion; Confirm with said search sequence in synonym and/or the near synonym of at least one keyword have the class heading search suggestion with the corresponding classification relation of this classification information, with as said search suggestion.For example, the search sequence of user's input is " a benz model ", in step S604; Advise that providing equipment 1 to detect this search sequence comprises classification information " model ", then in step S602, suggestion provides the user of equipment 1 from search engine the historical conversion record; Obtain the historical conversion record of a plurality of users based on " benz "; Comprise historical query sequences such as " benz slk ", " benz price ", " benz s600 ", wherein, historical query sequence " benz slk " and " benz s600 " comprise the keyword " benz " in this search sequence; And exist and the corresponding classification relation of this classification information " model " with this keyword " benz "; Therefore, in step S602, suggestion provide equipment 1 with these two historical query sequences as advising with the corresponding search of this search sequence " benz ".

2) according to said classification information detected in step S604, in the classification suggestion library, carry out matching inquiry, to obtain and the corresponding one or more search suggestions of this search sequence.For example; The search sequence of user's input is " a benz model ", in step S604, advises that providing equipment 1 to detect this search sequence comprises classification information " model "; Then in step S602; Suggestion provides equipment 1 according to this classification information, in the classification suggestion library, carries out matching inquiry, obtains and the corresponding search suggestion of this search sequence " benz model " " benz slk ", " benz s600 " etc.Preferably; In step S602; Suggestion provides the equipment 1 can also be according to said classification information detected in step S604, with the corresponding classification suggestion library of this classification information in carry out matching inquiry, to obtain and the corresponding one or more search suggestions of this search sequence.Connect precedent; In step S602; Suggestion provides equipment 1 according to this classification information; With the corresponding classification suggestion library of this classification information " model " about benz in carry out matching inquiry, obtain and the corresponding search suggestion of this search sequence " benz model " " benz slk ", " benz s600 " etc.At this; With the corresponding a plurality of search suggestions of the classification information that stores in the corresponding classification suggestion library of classification information and be scheduled to; Should with the corresponding classification suggestion library of the classification information database that can be a plurality of separations; Also can be integrated in the aforementioned classification suggestion library, and search suggestion wherein classified according to classification information.

3) combine 1) and 2) described in mode, according to classification information, said search sequence is carried out the classification extension process.For example; In step S602; Suggestion provides equipment 1 at first to attempt according to classification information, in the classification suggestion library, carries out matching inquiry, to obtain and the corresponding one or more search suggestions of said search sequence; Wherein, at least one keyword exists and the corresponding classification relation of said classification information in said search suggestion and the said search sequence; When in this classification suggestion library, not obtaining aforementioned search suggestion, based on predetermined classification extension rule, this search sequence is carried out the classification extension process again, to obtain aforementioned search suggestion.Preferably, the present invention can also be according to the classification mapping relations of the search of follow-up acquisition suggestion with this search sequence, set up or upgrade said classification suggestion library.

Preferably, in step S604, suggestion provides equipment 1 according to said search sequence, in the classification information bank, carries out matching inquiry, whether comprises said classification information to detect said search sequence.Particularly, in step S604, the mode that suggestion provides equipment 1 in the classification information bank, to carry out matching inquiry includes but not limited to:

The user's that 1) directly will in step S601, obtain search sequence is carried out matching inquiry in the classification information bank, when this classification information bank comprises with the corresponding classification information of this search sequence record, detect this search sequence and comprise classification information.

2) user's that in step S601, obtained search sequence is cut speech; To cut resulting one or more partial query sequences behind the speech; In the classification information bank, carry out matching inquiry; When this classification information bank comprise with the partial query sequence in during at least one corresponding classification information record, detect this search sequence and comprise classification information.For example, in step S601, suggestion provides the user's that equipment 1 obtains search sequence to be " price of benz "; In step S604, suggestion provides 1 pair of this search sequence of equipment to cut speech, be cut into a plurality of partial query sequences " benz ", " " and " price "; In the classification information bank, carry out matching inquiry according to these a plurality of partial query sequences respectively, perhaps, preferably; Remove wherein function word " ", in the classification information bank, carry out matching inquiry according to " benz ", " price " respectively again, suppose that this classification information bank comprises and the corresponding classification information of partial query sequence " benz " record; Like (benz, model), then in step S604; Suggestion provides equipment 1 to judge that this search sequence comprises classification information, is " model " like classification information.

More preferably, in step S611 (not shown), suggestion provides equipment 1 according to predetermined classification information extraction rule, extracts the sequence to be excavated with classification information; According to said sequence to be excavated, set up or upgrade said classification information bank.Particularly, in step S611, suggestion provides equipment 1 to set up or the mode of renewal classification information bank includes but not limited to:

2) the co-occurrence frequency of classification information surpasses preset co-occurrence threshold value in sequence to be excavated and said classification information bank, should sequence to be excavated deposit the classification information bank in, to realize foundation or the renewal to this classification information bank.For example; In step S611; Suggestion provides equipment 1 regularly to calculate sequence to be excavated and appears at the co-occurrence frequency in search sequence, search suggestion, anchor text, page title or the content of pages jointly with classification information such as model, specifications, and compares with preset co-occurrence threshold value, is somebody's turn to do when presetting the co-occurrence threshold value when surpassing; Deposit said sequence to be excavated in the classification information bank, to set up or to upgrade this classification information bank.

What Fig. 7 illustrated according to the present invention another preferred embodiment is used to provide the method flow diagram with the corresponding search suggestion of search sequence.Followingly with reference to Fig. 7 the preferred embodiment is described in detail: particularly, in step S701, suggestion provides equipment 1 to obtain the search sequence of user through the subscriber equipment input; In step S702; Suggestion provides 1 pair of said search sequence of equipment to carry out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; In step S705; Suggestion provides equipment 1 basis and said one or more search to advise the historical record of selecting of corresponding user; From said one or more search suggestions, select at least one, to advise as searching for the corresponding recommendation of said search sequence; In step S706, suggestion provides equipment 1 according to said recommendation search suggestion, in the search index storehouse, carries out matching inquiry, to obtain and corresponding first Search Results of said recommendation search suggestion; In step S703, suggestion provides equipment 1 that said first Search Results is provided to said subscriber equipment.Wherein, step S701, S702 are identical or basic identical with Fig. 5 or corresponding step shown in Figure 6 respectively, so locate to repeat no more, and mode by reference is contained in this.

In step S705; Suggestion provides equipment 1 basis and said one or more search to advise the historical record of selecting of corresponding user; From said one or more search suggestions, select at least one, to advise as searching for the corresponding recommendation of said search sequence.Particularly; In step S705; Suggestion provides the one or more search suggestions of gained after the classification extension process in step S702 of equipment 1 basis, obtains with these one or more search through the inquiry log such as search engine or other search equipments and advises the historical record of selecting of corresponding user, and the user who advises like said one or more search selects the frequency; Select record according to this history; From these one or more search suggestions, select at least one, select the highest one or more search suggestions of the frequency like the user, as recommending the search suggestion.

In step S706, suggestion provides equipment 1 according to selected recommendation search suggestion in step S705, in the search index storehouse, carries out matching inquiry, to obtain and corresponding first Search Results of said recommendation search suggestion.For example, in step S701, the search sequence that the user that suggestion provides equipment 1 to obtain imports is " benz "; In step S702, suggestion provides equipment 1 through this search sequence is carried out the classification extension process, obtains search suggestions such as " benz slk ", " benz s600 ", " benz c200 "; In step S705; Suggestion provides equipment 1 to advise the historical record of selecting of pairing user according to above-mentioned search; Selected search suggestion " benz s600 " like a plurality of user's history, this corresponding user of search suggestion selects the frequency the highest, should search for suggestion as recommending the search suggestion; In step S706; Suggestion provides equipment 1 directly to recommend the search suggestion according to this; In the search index storehouse, carry out matching inquiry, obtain corresponding first Search Results, such as first Search Results such as " benz s600 quotation * * net ", " benz s600** pictures ".

In step S703, suggestion provides equipment 1 that said first Search Results is provided to said subscriber equipment.Particularly; In step S703; Suggestion provides equipment 1 to obtain first Search Results according to matching inquiry in step S706, through such as dynamic web page techniques such as JSP, ASP or PHP, with said first Search Results with newly-generated webpage or Shipping Options Page; Or be carried in the parent page with forms such as suspension frames, provide to said subscriber equipment one by one or once.

What Fig. 8 illustrated according to the present invention another preferred embodiment is used to provide the method flow diagram with the corresponding search suggestion of search sequence.Followingly with reference to Fig. 8 the preferred embodiment is described in detail: particularly, in step S801, suggestion provides equipment 1 to obtain the search sequence of user through the subscriber equipment input; In step S802; Suggestion provides 1 pair of said search sequence of equipment to carry out the classification extension process; To obtain advising that with the corresponding one or more search of said search sequence wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence; In step S803, suggestion provides equipment 1 that said first Search Results is provided to said subscriber equipment; In step S807, suggestion provides equipment 1 to obtain said user at least one selection operation in the said one or more search suggestion, to confirm selecting sequence with the corresponding user of said selection operation; In step S808, suggestion provides equipment 1 to select sequence according to said user, in said search index storehouse, carries out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user; In step S809, suggestion provides equipment 1 that said second Search Results is provided to said subscriber equipment.Wherein, step S801, S802 and S803 are identical or basic identical with Fig. 5, Fig. 6 or corresponding step shown in Figure 7 respectively, so locate to repeat no more, and mode by reference is contained in this.

In step S807, suggestion provides equipment 1 to obtain said user at least one selection operation in the said one or more search suggestion, to confirm selecting sequence with the corresponding user of said selection operation.Particularly; User's mutual through with subscriber equipment; Providing to the one or more search suggestion of this subscriber equipment, selected a search suggestion, in step S807 through selection operations such as clicking, double-click or hover; The application programming interfaces (API) that suggestion provides equipment 1 to provide through calling this subscriber equipment; Perhaps pass through such as dynamic web page techniques such as JSP, ASP or PHP, the selection operation that has obtained this user reaches and the corresponding search suggestion of this selection operation, to select sequence as said user.

In step S808, suggestion provides equipment 1 to select sequence according to the user who in step S807, is obtained, and in said search index storehouse, carries out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user.

In step S809; Suggestion provides equipment 1 to pass through such as dynamic web page techniques such as JSP, ASP or PHP; Second Search Results that will matching inquiry obtained in step S808; With newly-generated webpage or Shipping Options Page, or be carried in the parent page, provide to said subscriber equipment one by one or once with forms such as suspension frames.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.In addition, obviously other unit or step do not got rid of in " comprising " speech, and odd number is not got rid of plural number.A plurality of unit of stating in the device claim or device also can be realized through software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.

Claims

1. one kind by the computer implemented method that is used to provide with the corresponding search suggestion of search sequence, and wherein, this method comprises:

A obtains the search sequence of user through the subscriber equipment input;

2. method according to claim 1, wherein, said step b comprises:

-based on predetermined classification extension rule, said search sequence is carried out the classification extension process, to obtain said one or more search suggestion, wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence;

Wherein, said classification extension rule based on following at least each to obtain said one or more search suggestion:

-from the historical conversion record of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword;

-from said user's historical query record, confirm to comprise at least one keyword in the said search sequence and have the historical query sequence of classification relation, with as said search suggestion with said keyword;

-browse the record from the pairing user of said search sequence, confirm to comprise at least one keyword in the said search sequence and have the character string of classification relation, with as said search suggestion with said keyword;

-confirm with said search sequence in synonym and/or the class heading search suggestion that there is the classification relation near synonym of at least one keyword, with as said search suggestion.

3. method according to claim 1, wherein, said step b comprises:

-according to said search sequence, in the classification suggestion library, carry out matching inquiry, to obtain said one or more search suggestion, wherein, there is the classification relation at least one keyword in said search suggestion and the said search sequence.

4. method according to claim 3, wherein, this method also comprises:

-according to semantic analysis, obtain the classification mapping relations of candidate sequence and candidate search suggestion to a plurality of user inquiring sequences and/or the page;

-according to said classification mapping relations, set up or upgrade said classification suggestion library.

5. according to each described method in the claim 1 to 4, wherein, this method also comprises:

X detects said search sequence and whether comprises classification information;

Wherein, said step b comprises:

-comprise said classification information when said search sequence; According to said classification information; Said search sequence is carried out said classification extension process; To obtain said one or more search suggestion, wherein, at least one keyword exists and the corresponding classification relation of said classification information in said search suggestion and the said search sequence.

6. method according to claim 5, wherein, said step x comprises:

-according to said search sequence, in the classification information bank, carry out matching inquiry, whether comprise said classification information to detect said search sequence.

7. method according to claim 6, wherein, this method also comprises:

-according to predetermined classification information extraction rule, extract sequence to be excavated with classification information;

-according to said sequence to be excavated, set up or upgrade said classification information bank.

8. method according to claim 7, wherein, said classification information extraction rule comprise following at least each:

-said sequence to be excavated comprises the classification keyword;

The co-occurrence frequency of classification information surpasses preset co-occurrence threshold value in-said sequence to be excavated and the said classification information bank;

Wherein, said classification keyword comprise following at least each:

-commodity sign information;

-books identification information;

-business web site identification information.

9. according to each described method in the claim 1 to 8, wherein, this method also comprises:

-basis is advised the historical record of selecting of corresponding user with said one or more search, from said one or more search suggestions, selects at least one, to advise as searching for the corresponding recommendation of said search sequence;

-according to said recommendation search suggestion, in the search index storehouse, carry out matching inquiry, to obtain and corresponding first Search Results of said recommendation search suggestion;

Wherein, said step c comprises:

-said first Search Results is provided to said subscriber equipment.

10. according to each described method in the claim 1 to 8, wherein, this method also comprises:

-obtain said user at least one selection operation in the said one or more search suggestion, to confirm selecting sequence with the corresponding user of said selection operation;

-select sequence according to said user, in said search index storehouse, carry out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user;

-said second Search Results is provided to said subscriber equipment.

11. one kind is used to provide the suggestion with the corresponding search suggestion of search sequence that equipment is provided, wherein, this equipment comprises:

12. suggestion according to claim 11 provides equipment, wherein, said classification expanding unit is used for:

13. suggestion according to claim 11 provides equipment, wherein, said classification expanding unit is used for:

14. suggestion according to claim 13 provides equipment, wherein, this equipment also comprises the suggestion updating device, is used for:

15. according to each described suggestion in the claim 11 to 14 equipment is provided, wherein, this equipment also comprises:

The classification pick-up unit is used to detect said search sequence and whether comprises classification information;

Wherein, said classification expanding unit is used for:

16. suggestion according to claim 15 provides equipment, wherein, said classification pick-up unit is used for:

17. suggestion according to claim 16 provides equipment, wherein, this equipment also comprises the classification updating device, is used for:

18. suggestion according to claim 17 provides equipment, wherein, said classification information extraction rule comprise following at least each:

-said sequence to be excavated comprises the classification keyword;

Wherein, said classification keyword comprise following at least each:

-commodity sign information;

-books identification information;

-business web site identification information.

19. according to each described suggestion in the claim 11 to 18 equipment is provided, wherein, this equipment also comprises:

The proposed recommendations device is used for basis and advises the historical record of selecting of corresponding user with said one or more search, from said one or more search suggestions, selects at least one, to advise as searching for the corresponding recommendation of said search sequence;

First searcher is used in the search index storehouse, carrying out matching inquiry according to said recommendation search suggestion, to obtain and corresponding first Search Results of said recommendation search suggestion;

Wherein, said suggestion generator is used for:

-said first Search Results is provided to said subscriber equipment.

20. according to each described suggestion in the claim 11 to 18 equipment is provided, wherein, this equipment also comprises:

The operation deriving means is used for obtaining said user at least one selection operation of said one or more search suggestions, to confirm selecting sequence with the corresponding user of said selection operation;

Second searcher is used for selecting sequence according to said user, in said search index storehouse, carries out matching inquiry, to obtain selecting corresponding second Search Results of sequence with said user;

The search generator is used for said second Search Results is provided to said subscriber equipment.