CN107341165A - The method and apparatus for prompting display are carried out at search box - Google Patents
The method and apparatus for prompting display are carried out at search box Download PDFInfo
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- CN107341165A CN107341165A CN201610530497.7A CN201610530497A CN107341165A CN 107341165 A CN107341165 A CN 107341165A CN 201610530497 A CN201610530497 A CN 201610530497A CN 107341165 A CN107341165 A CN 107341165A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9535—Search customisation based on user profiles and personalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
- G06F3/0233—Character input methods
- G06F3/0236—Character input methods using selection techniques to select from displayed items
Abstract
The present invention provides the method and apparatus for carrying out prompting display at a kind of search box.Carry out prompting the method for display to include at search box：Receiving step (S1), receive the keyword that user inputs at search box；Searching step (S2), according to the geographical location information of the user and the keyword of input, one or more candidates that prefix matching is retrieved by prefix index prompt keyword；And step display (S3), in the search engine Search Hints project team at search box, show that the one or more of candidates retrieved prompt keyword.
Description
Technical field
The present invention relates to the method and apparatus for carrying out prompting display at search technique field, more particularly to a kind of search box.
Background technology
In search technique field, the technology of user's Search Hints (search suggestion) in a search engine is deposited,
Such as a kind of Search Hints example of prior art is shown in Fig. 1.As shown in figure 1, inputted in search box after " prosperous ", this
When user's also complete one term of input, corresponding Search Hints can be done according to this input, user can click on prompt into
Enter the search results pages of this cue.The time for being very beneficial for saving user's typewriting is so done, user's input is prejudged, carried
Consumer's Experience is risen, Search Hints have been increasingly becoming the indispensable function of any one current search system.
In the prior art, the Search Hints (search suggestion) of most existing search system derive from
Daily record, user's click user behaviors log, encyclopaedia data are searched for, and these daily records are handled, dirty data is cleared up, obtains candidate and carry
Show keyword.It is establish prefix index by trie trees (dictionary tree) structure to recall aspect, is recalled by prefix matching.Before
Sewing index is indexed by the trie trees of key construction.
But have the disadvantage that in the prior art.
(1) pass that the daily record that existing Search Hints keyword source is all based on searching for daily record, user clicks on extracts
Keyword, for product search system, some not keywords related to commodity in commodity storehouse can be prompted, such user clicks on prompting
It can be searched after keyword bad less than result, Consumer's Experience；
(2) in system cold start-up, keyword also is excavated without largely search daily record, user's click logs, is caused
There is no Search Hints keywords database initial stage；
(3) existing Search Hints largely only serve PC ends, mobile client it is less, and when mobile client is prompted
It is not based on user's geographical location information.
The content of the invention
The present invention in view of the above problems and develop, and it is an object of the present invention to provide carried out at a kind of search box prompt display method and
Device, it can be prompted based on user geographical position search key in the product search system of O2O fields, solve current business
Product Search Hints are not based on the shortcomings that geographical location information does relevant search prompting.In addition, by prompting keywords database
From commodity storehouse, based on the data mining of commodity storehouse trade name, some nothings may be shown so as to solve existing Search Hints
The prompting search key word problem that method retrieves.
In order to solve the above problems, of the invention mode is related to a kind of method for carrying out prompting display at search box,
It is characterised in that it includes：Receiving step, receive the keyword that user inputs at search box；Searching step, according to the user
Geographical location information and input the keyword, pass through prefix index retrieve prefix matching one or more candidates prompt
Keyword；And step display, in the search engine Search Hints project team at search box, show described one retrieved
Individual or multiple candidates prompt keyword, in the searching step, by attached with the position represented by the geographical location information
Prefix index corresponding near shops, keyword is prompted to retrieve one or more candidates of prefix matching.
In addition, with the method for the invention it is preferred to, the step display includes：Duplicate removal step is identical for what is retrieved
Candidate prompt keyword, only retain statistics frequency highest；And sequence step, prompt to close according to all candidates retrieved
The frequency of keyword, descending arrangement.
In addition, with the method for the invention it is preferred to, in addition to：Index construct step, for each shops, according to shops
Including commodity merchandise news, build corresponding with shops prefix index.
In addition, with the method for the invention it is preferred to, in the index construct step, by dividing merchandise news
Word, bi-gram, Mutual information entropy prompt keyword and the sequence frequency so as to obtain being directed to the candidate of the commodity, and according to door
The candidate of all commodity in shop prompts keyword, and prefix index corresponding with shops is built by dictionary tree index.
In addition, with the method for the invention it is preferred to, the merchandise news is trade name.
In addition, with the method for the invention it is preferred to, one or more of candidates based on user's selection prompt keyword
In any one, formed search results pages.
In addition, with the method for the invention it is preferred to, the real-time anchor point of the geographical location information including the user and
The ship-to of user's selection.
In addition, another mode of the present invention is related to the device for carrying out prompting display at a kind of search box, it is characterised in that
Including：Receiving unit, receive the keyword that user inputs at search box；Retrieval unit, according to the geographical position of the user
Information and the keyword of input, one or more candidates that prefix matching is retrieved by prefix index prompt keyword；With
And display unit, in the search engine Search Hints project team at search box, display is retrieved one or more of
Candidate prompts keyword, the retrieval unit, by corresponding with the shops near the position represented by the geographical location information
Prefix index, come retrieve one or more candidates of prefix matching prompt keyword.
In accordance with the invention it is possible to be prompted based on user geographical position search key, solve current commercial articles searching prompting and do not have
There is the shortcomings that relevant search prompting is done based on geographical location information.In addition, by prompting keywords database to derive from commodity storehouse,
Based on the data mining of commodity storehouse trade name, some promptings that can not be retrieved may be shown so as to solve existing Search Hints
The problem of search key.
Brief description of the drawings
By reference to following combination accompanying drawing to the detailed description of used preferred embodiment, above-mentioned mesh of the invention
, advantages and features will become more apparent from, wherein：
Fig. 1 represents a kind of Search Hints example of prior art.
Fig. 2 represents the Search Hints module of the present invention.
Fig. 3 represents one of shops and commodity mapping relations.
Fig. 4 represents one of trie trees.
Fig. 5 represents to carry out the flow chart for prompting the method for display in the present invention at search box.
Fig. 6 represents to carry out the block diagram for prompting the device of display in the present invention at search box.
Embodiment
The specific embodiment of the disclosure is described more fully below, it should be noted that the embodiments described herein is served only for illustrating
Illustrate, be not limited to the disclosure.In the following description, in order to provide the thorough understanding to the disclosure, a large amount of spies are elaborated
Determine details.It will be apparent, however, to one skilled in the art that：This public affairs need not be carried out using these specific details
Open.In other instances, in order to avoid obscuring the disclosure, known circuit, material or method are not specifically described.
Further it will be understood that specific embodiment described herein is used only for explaining related invention, rather than to this
The restriction of invention.It also should be noted that for the ease of description, illustrate only in accompanying drawing to about the related portion of invention
Point.
In addition, throughout the specification, " one embodiment ", " embodiment ", " example " or " example " is referred to
Mean：At least one implementation of the disclosure is comprised in reference to special characteristic, structure or the characteristic that the embodiment or example describe
In example.Therefore, entire disclosure it is each place occur phrase " in one embodiment ", " in embodiment ", " one
Example " or " example " are not necessarily all referring to the same embodiment or example.Furthermore, it is possible to any appropriate combination and/or sub-portfolio
By specific feature, structure or property combination in one or more embodiments or example.In addition, those of ordinary skill in the art
It should be appreciated that accompanying drawing is provided to the purpose of explanation provided herein, and accompanying drawing is not necessarily drawn to scale.It should manage
Solution, when claiming part " to be connected to " another part, it can be in being directly connected to or be connected to another part or there may be
Between part.On the contrary, when claiming part " to be directly connected to " another part, in the absence of intermediate member.Identical reference indicates
Identical element.Term "and/or" used herein includes any and all combination for the project that one or more correlations are listed.
The application is described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Commercial articles searching system of the present invention for O2O (Online To Offline, under line on online offline/line) field
System, and apply in mobile client, when user carries out commercial articles searching, user's geographical location information can be based on, according to user
The related geographic vicinity shops commercial articles searching keyword of input term (search query) (do not write or completely) prompting.
Geographical location information includes two kinds of situations：The real-time anchor point of user and the ship-to of user's selection.Certainly, geographical position is believed
Breath can also include other situations.
Fig. 2 represents the Search Hints module of the present invention.As shown in Fig. 2 in the product search system of the present invention, search carries
Show and be broadly divided into two modules, i.e. index module and retrieval module.
For index module, the geographical location information that shops is corresponded to according to commodity storehouse merchandise news and commodity carries out data point
Work is analysed, finally establishes prefix index, is used for retrieval module.Prefix index corresponding to all shops is a global rope
Draw, and the shops of user's geographic vicinity is the subset of a shops, so only with these shops pair inside subset during retrieval
The index answered.
For retrieving module：According to user geographical position and the term of input, prefix matching is recalled by prefix index
Keyword prompting.User geographical position is the user's actual geographic position data or User Defined navigated to according to mobile terminal
Input ship-to data etc..
Below to index module, it is specifically described.
Commodity storehouse source includes following information, commodity ID, trade name, and commodity correspond to shops ID.Figure 3 illustrates shops
With one of commodity mapping relations.
Global index is formed according to prefix index, the index of all shops corresponding to different shops's structures respectively, so
Only it is to be understood that shops's can recalls corresponding prompting keyword.
1) data analysis step
This step Main Basis is segmented (word segmentation), bi-gram and mutual information to each shops's trade name
The processing of entropy, obtain the prompting keyword of candidate under each shops, and the sequence frequency.Wherein, entropy is the general of certain event appearance
Rate.Mutual information (Mutual Information), abbreviation MI, it is two events while the probability occurred.
It is specifically described below.
Each shops is carried out successively.Shops N has T part commodity, and such as trade name of every commodity is segmented, is syncopated as
Term (word cut out after participle), counts each term single orders frequency, is designated as this term tf (term), and unites
The statistics frequency total_unigram of the good all single term of meter altogether.Wherein tf：Term Frequence are the single order frequency.
The single order frequency is the single Term statistics frequency, i.e. word frequency.
In addition, it is necessary to the second order co-occurrence frequency is calculated, and two term, t1 and the t2 that certain trade name continuously occurs, second order co-occurrence
The frequency is designated as tf (t1, t2), while also to have counted the summation total_bigram of all second order co-occurrence frequencys.Wherein, second order
The co-occurrence frequency is that the two continuous term co-occurrence statistics frequency is calculated on the basis of bi-gram.
Such as trade name " Chef Kang's beef with brown sauce face ", cutting are three term, " Chef Kang ", " braised in soy sauce ", " beef noodle ",
Single order frequency tf (Chef Kang), tf (braised in soy sauce), tf (beef noodle) add 1 respectively, and single term total frequency total_unigram is then
Add 3；This trade name common property gives birth to two second order co-occurrence frequencys, and tf (Chef Kang, braising in soy sauce), tf (braised in soy sauce, beef noodle) frequency add respectively
1, the summation total_bigram of the second order co-occurrence frequency then adds 2.
All term single order frequency, which is all done, to be retained, as this shops N prompting keyword, and bi-gram (two term
Combination, refer mainly to herein participle after continuous two term) word need to filter by Mutual information entropy, meet mutual trust
Breath entropy retains more than doing for threshold value thr=0, also serves as the prompting keyword of this shops.
The bi-gram following MI of Mutual information entropy calculation formula (X, Y), for two term of X and Y：
MI (X, Y)=log (P (X, Y)/P (X) P (Y))
P (X, Y) represents second order co-occurrence frequency, P (X, Y)=tf (X, Y)/total_bigram
P (X), P (Y) represent fundamental frequency, P (X)=tf (X)/total_bigram
The prompting keyword as shops N that single order and second order co-occurrence are remained.And corresponding to these keywords
The single order frequency and the second order co-occurrence frequency illustrate the quantity of keyword corresponding goods in commodity storehouse, as when showing below
Sort by.
2) prefix index constructs
This step be by the prompting keyword of candidate do dictionary (trie) tree index, can input by the prefix of keyword come
Recall the consistent all candidates of this prefix.
Fig. 4 represents one of trie trees.As shown in figure 4, for shops N, the prompting keyword structure trie remained
Tree, as above schemes：Pleasure, pleasure potato chips, pleasure French fries, cola, when retrieving " pleasure ", if user's positioning can show the shops,
It can then prompt with " pleasure " prefix identical prompting " pleasure ", " pleasure potato chips " and " pleasure French fries " to prolong " pleasure " below the shops
Node all recalls all prompting keywords under the node.
Below to retrieving module, it is specifically described.
This module can be recalled user by prefix index and input the consistent all candidates prompting keyword of prefix.Prior art
Equally, unique difference is to be passed to user's geographical location information, can recommend near this position according to geographical location information
Shops's list, each shops has corresponding prefix index in this list, by prefix index, recalls before user inputs term
Sew the prompting keyword of matching.
Duplicate removal and sequence can be carried out before prompting keyword displaying, duplicate removal is exactly only to retain statistics frequency for identical keyword
Secondary highest, can be according to the frequency descending arrangement for all keywords recalled during sequence.
Technique according to the invention scheme, following advantageous effects can be brought：
(1) during cold start-up, it is not necessary to which accumulation search daily record and user click on behavior, it is only necessary to according to existing commodity storehouse business
The name of an article；
(2) will not prompt trade name in commodity storehouse not comprising keyword；
(3) sort by is done according to prompting keyword dependent merchandise quantity；
(4) keyword of prompting is because bi-gram and Mutual information entropy can be more added with reasonable, significant, because relevance is high
Word can merge as prompting.
Although in the above-described embodiment, three rank co-occurrences can also be utilized exemplified with the method for the second order co-occurrence frequency
The frequency.Such as " Chef Kang's beef with brown sauce face ", have 3 term after participle, " Chef Kang " " braised in soy sauce " " beef noodle ", now three ranks be total to
It is exactly now tf (Chef Kang, braising in soy sauce, beef noodle), three rank co-occurrence tri-gram " Chef Kang's beef with brown sauce face ", which can also be used as, to be retained
Prompting keyword.
In addition, second order co-occurrence must be continuous term in the above-described embodiment, but 2 term can also be extended to
One term's of midfeather also does second order interval co-occurrence, such as " Chef Kang's beef with brown sauce face ", has 3 term, " health after participle
Master worker " " braised in soy sauce " " beef noodle ", second order interval co-occurrence bi-gram " Chef Kang's beef noodle " is calculated by Mutual information entropy to be made
Keyword is prompted to retain.
Fig. 5 represents to carry out the flow chart for prompting the method for display in the present invention at search box.
As shown in figure 5, in carrying out prompting the method for display at the search box of a mode of the invention, including receiving step
S1, searching step S2 and step display S3.
First, in above-mentioned receiving step S1, the keyword that user inputs at search box is received.
Then, in above-mentioned searching step S2, according to the geographical location information of the user and input the keyword,
One or more candidates that prefix matching is retrieved by prefix index prompt keyword.
Then, in above-mentioned step display S3, in the search engine Search Hints project team at search box, display is examined
One or more of candidates that rope arrives prompt keyword.
In addition, in above-mentioned searching step S2, by with the shops near the position represented by above-mentioned geographical location information
Corresponding prefix index, keyword is prompted to retrieve one or more candidates of prefix matching.
Thus, according to the above-mentioned technical proposal of the present invention, user geographical position search key can be based on and prompted, solved
Commercial articles searching prompting at present is not based on the shortcomings that geographical location information does relevant search prompting.In addition, by prompting to close
Keyword storehouse derives from commodity storehouse, based on the data mining of commodity storehouse trade name, may be shown so as to solve existing Search Hints
Some prompting search key word problems that can not be retrieved.
More than, carry out prompting the technical scheme of the method for display at the search box of the present invention, enter by taking embodiment as an example
Detailed description is gone.Although it is to be illustrated by way of software flow in the above-described embodiment, with regard to this area skill
For art personnel, part or all of these technical schemes can be by the combination of hardware, software or hardware and software Lai real
Existing, this is self-evident.
Hereinafter, as variation, illustrate to carry out at the search box corresponding to the above embodiment of the present invention referring to the drawings 6
Prompt the structure of the device of display.
(variation)
Fig. 6 represents to carry out the block diagram for prompting the device 100 of display in the present invention at search box.
As shown in fig. 6, in carrying out prompting the device 100 of display at the search box of a mode of the invention, including receive single
Member 101, retrieval unit 102 and display unit 103.
Wherein, above-mentioned receiving unit 101, the keyword that user inputs at search box is received.
Above-mentioned retrieval unit 102, according to the geographical location information of the user and the keyword of input, pass through prefix
One or more candidates of indexed search prefix matching prompt keyword.
Above-mentioned display unit 103, in the search engine Search Hints project team at search box, the retrieved institute of display
State one or more candidates and prompt keyword.
In addition, above-mentioned retrieval unit 102, by corresponding with the shops near the position represented by the geographical location information
Prefix index, come retrieve one or more candidates of prefix matching prompt keyword.
Thus, according to the above-mentioned technical proposal of the present invention, user geographical position search key can be based on and prompted, solved
Commercial articles searching prompting at present is not based on the shortcomings that geographical location information does relevant search prompting.In addition, by prompting to close
Keyword storehouse derives from commodity storehouse, based on the data mining of commodity storehouse trade name, may be shown so as to solve existing Search Hints
Some prompting search key word problems that can not be retrieved.
Detailed description above has elaborated to be carried at search box by using block diagram, flow chart and/or example
Show numerous embodiments of the method and apparatus of display.One or more functions are included in this block diagram, flow chart and/or example
And/or in the case of operation, it will be understood by those skilled in the art that each function in this block diagram, flow chart or example and/
Or operation can be by various hardware, software, firmware or substantially their any combination come independent and/or common realization.
In one embodiment, if the stem portion of theme described in embodiment of the disclosure can pass through application specific integrated circuit (ASIC), scene
Programmable gate array (FPGA), digital signal processor (DSP) or other integrated forms are realized.However, people in the art
Member is it should be understood that some aspects of embodiments disclosed herein can be realized equally in integrated electricity on the whole or partly
Lu Zhong, the one or more computer programs for being embodied as running on one or more computer (for example, be embodied as at one or
The one or more programs run in multiple stage computers system), be embodied as running on the one or more processors one or
Multiple programs (for example, being embodied as the one or more programs run in one or more microprocessors), are embodied as firmware, or
Person is substantially embodied as any combination of aforesaid way, and those skilled in the art will be provided with designing circuit according to the disclosure
And/or the ability of write-in software and/or firmware code.In addition, it would be recognized by those skilled in the art that theme described in the disclosure
Mechanism can be distributed as the program product of diversified forms, and no matter actually be used for performing the signal bearing medium of distribution
Particular type how, the exemplary embodiment of theme described in the disclosure is applicable.The example of signal bearing medium is included but not
It is limited to：Recordable-type media, such as floppy disk, hard disk drive, compact-disc (CD), digital universal disc (DVD), digital magnetic tape, calculating
Machine memory etc.；And transmission type media, such as numeral and/or analogue communication medium are (for example, optical fiber cable, waveguide, wire communication
Link, wireless communication link etc.).
Although combined the preferred embodiments of the present invention show the present invention above, those skilled in the art will
It will be appreciated that without departing from the spirit and scope of the present invention, various modifications can be carried out to the present invention, replaces and changes
Become.Therefore, the present invention should not be limited by above-described embodiment, and should be limited by appended claims and its equivalent.
Claims (8)
1. a kind of method for carrying out prompting display at search box, it is characterised in that including：
Receiving step, receive the keyword that user inputs at search box；
Searching step, according to the geographical location information of the user and input the keyword, before being retrieved by prefix index
The one or more candidates for sewing matching prompt keyword；And
Step display, in the search engine Search Hints project team at search box, display is retrieved one or more
Individual candidate prompts keyword,
In the searching step, pass through prefix rope corresponding with the shops near the position represented by the geographical location information
Draw, keyword is prompted to retrieve one or more candidates of prefix matching.
2. according to the method for claim 1, it is characterised in that
The step display includes：
Duplicate removal step, keyword is prompted for the identical candidate retrieved, only retains statistics frequency highest；With
Sequence step, the frequency of keyword, descending arrangement are prompted according to all candidates retrieved.
3. according to the method for claim 1, it is characterised in that also include：
Index construct step, for each shops, the merchandise news of the commodity included according to shops, before structure is corresponding with shops
Sew index.
4. according to the method for claim 3, it is characterised in that
In the index construct step, by being segmented to merchandise news, bi-gram, Mutual information entropy be so as to being directed to
The candidate of the commodity prompts keyword and the sequence frequency, and prompts keyword according to the candidate of all commodity of shops, passes through
Dictionary tree is indexed to build prefix index corresponding with shops.
5. according to the method for claim 3, it is characterised in that
The merchandise news is trade name.
6. according to the method for claim 1, it is characterised in that
One or more of candidates based on user's selection prompt any one in keyword, form search results pages.
7. according to the method for claim 1, it is characterised in that
The geographical location information includes the real-time anchor point of the user and the ship-to of user selection.
8. carry out prompting the device of display at a kind of search box, it is characterised in that including：
Receiving unit, receive the keyword that user inputs at search box；
Retrieval unit, according to the geographical location information of the user and input the keyword, before being retrieved by prefix index
The one or more candidates for sewing matching prompt keyword；And
Display unit, in the search engine Search Hints project team at search box, display is retrieved one or more
Individual candidate prompts keyword,
The retrieval unit, by prefix index corresponding with the shops near the position represented by the geographical location information,
Keyword is prompted to retrieve one or more candidates of prefix matching.
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Cited By (3)
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| CN111274349A (en) * | 2020-01-21 | 2020-06-12 | 北方工业大学 | Public security data hierarchical indexing method and device based on information entropy |
| CN111831876A (en) * | 2019-04-15 | 2020-10-27 | 北京四维图新科技股份有限公司 | Query method, device and storage medium |
| CN113312523A (en) * | 2021-07-30 | 2021-08-27 | 北京达佳互联信息技术有限公司 | Dictionary generation and search keyword recommendation method and device and server |
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