WO2015172490A1 - 一种提供扩展搜索项的方法与装置 - Google Patents

一种提供扩展搜索项的方法与装置 Download PDF

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Publication number
WO2015172490A1
WO2015172490A1 PCT/CN2014/086987 CN2014086987W WO2015172490A1 WO 2015172490 A1 WO2015172490 A1 WO 2015172490A1 CN 2014086987 W CN2014086987 W CN 2014086987W WO 2015172490 A1 WO2015172490 A1 WO 2015172490A1
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WIPO (PCT)
Prior art keywords
search
user
extended
sequence
term
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PCT/CN2014/086987
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English (en)
French (fr)
Inventor
刘晓柳
夏斯宇
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百度在线网络技术（北京）有限公司
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Publication of WO2015172490A1 publication Critical patent/WO2015172490A1/zh

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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/242—Query formulation
    • G06F16/2433—Query languages
    • G06F16/2448—Query languages for particular applications; for extensibility, e.g. user defined types
    • 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
    • G06F16/951—Indexing; Web crawling techniques

Definitions

  • the present invention relates to the field of Internet, and in particular to a technology for providing extended search terms.
  • the search engine usually provides the user with several search suggestion sequences according to the search sequence that the user has input.
  • the search suggestion sequence provided by the search engine for the user includes “Liu Shishi Wu Qilong”, “Liu Shishi step by step”, “Liu Shishi's personal data”, “Liu Shishi Baidu Encyclopedia”, “Liu Shishi pictures” and so on.
  • the search suggestion sequence provided by the search engine includes “big bang theory”, “big bang theory season 7", “big bang theory online”, “big bang theory seventh season”, “big bang victory” and so on.
  • the search engine only provides the search suggestion sequence related to the search sequence, however, from the content, the content of the provided search suggestion sequence is scattered, as for the search sequence "Liu Shishi", some search suggestion sequences correspond to At present hot spots, some search suggestion sequences correspond to the actor's personal information; as for the search sequence "big bang”, some search suggestion sequences correspond to the American TV series “Life Big Bang”, and some search suggestion sequences correspond to Korean bands. Bigbang.
  • the search suggestion sequence currently provided by the search engine is generally arranged one by one only in the drop-down box of the search box, and there is no other presentation form.
  • the search suggestion sequence provided by the search engine is disorderly.
  • the form of expression is single and the amount of information is small, which fails to meet the needs of users.
  • a method for providing an extended search term in a network device includes:
  • the extended search term including but not limited to at least one of the following:
  • one category search option corresponds to one or more search suggestion items
  • a method for presenting an extended search term in a user equipment comprises:
  • an extended search term corresponding to the search sequence wherein the extended search term includes but is not limited to at least one of the following:
  • one category search option corresponds to one or more search suggestion items
  • an apparatus for providing an extended search term in a network device comprising:
  • one category search option corresponds to one or more search suggestion items
  • an apparatus for presenting an extended search term in a user equipment comprising:
  • one category search option corresponds to one or more search suggestion items
  • Means for presenting the extended search term to the user are provided.
  • the present invention provides an extended search term corresponding to a search sequence that has been input by the user device through interaction with the network device, such as an extended search tag corresponding to a specific attribute of the search sequence, including one Or a category search option for multiple search suggestions.
  • an extended search tag corresponds to a specific attribute of the search sequence, it is a perspective of the attribute of the search sequence itself to understand the user's search requirement, which is more closely related to the search sequence and occupies
  • each category search option can also include one or more search suggestions, the user can switch the category search option to browse the search suggestions under different categories, while guiding the user to search for the demand.
  • the search suggestions are also provided to the user as much as possible in the limited space of the page. Therefore, the extended search term provided by the present invention can guide the user's search requirement more effectively, reduce the input cost of the user, provide search efficiency, and at the same time, the presentation mode has a higher information amount.
  • FIG. 1 shows a flow chart of a method of providing an extended search term in accordance with an aspect of the present invention
  • FIGS. 2(a) and 2(b) are diagrams showing an extended attribute search tag based on an address attribute and subsequent operations thereof to a user according to an application embodiment of the present invention
  • 3(a) and 3(b) are diagrams showing an extended search tag based on a character attribute and a subsequent operation thereof to a user according to an application embodiment of the present invention
  • 4(a), 4(b) and 4(c) are diagrams showing an extended search tag based on a hotspot attribute and subsequent operations thereof, provided to a user according to an application embodiment of the present invention
  • 5(a), 5(b) and 5(c) respectively show schematic diagrams of providing a classification search option to a user in accordance with an application embodiment of the present invention
  • 6(a) and 6(b) are diagrams showing the provision of a predetermined classification search option and subsequent operations to a user before user input, in accordance with an application embodiment of the present invention
  • FIG. 7(a) and 7(b) are diagrams showing an error correction search sequence provided to a user in accordance with an application embodiment of the present invention
  • 8(a) and 8(b) are diagrams showing the adjustment of window display attributes of a search box according to an application embodiment of the present invention.
  • FIG. 9 shows a device schematic diagram of a user equipment 1 and a network device 2 providing extended search terms according to another aspect of the present invention.
  • the provision of the extended search term in the present invention can be realized by the interaction of the network device and the user device.
  • the user equipment sends the search sequence that the user has input in the search box to the network device; then, the network device obtains the corresponding extended search according to the search sequence.
  • An item including but not limited to an extended search tag corresponding to a particular attribute of the search sequence, wherein each of the category search options corresponds to a switchable category search option having one or more search suggestion items; subsequently, the network device will obtain the The extended search term is provided to the user device; then, the user device presents the user with an extended search term.
  • the user equipment includes, but is not limited to, any electronic product that can interact with the user through an input device such as a keyboard, a touch panel, and a voice control device, such as a computer, a mobile phone, a smart phone, a PDA, a tablet, and the like.
  • an input device such as a keyboard, a touch panel, and a voice control device, such as a computer, a mobile phone, a smart phone, a PDA, a tablet, and the like.
  • the network device includes, but is not limited to, a network host, a single network server, a plurality of network server sets, or a cloud composed of a plurality of servers.
  • the cloud is composed of a large number of host or network servers based on Cloud Computing, which is a kind of distributed computing, a super virtual computer composed of a group of loosely coupled computers.
  • the network device may interact with the user equipment as a whole or by a part of the network host/server, or even a specific device installed in one or more network hosts/servers, such as an extension providing device.
  • an extension providing device such as a specific device installed in one or more network hosts/servers.
  • Provide extended search terms such as the network device is equivalent to the extension providing device, and the user device is equivalent to the extended presentation device.
  • step S1 the user inputs a search sequence in the search box; in step S2, the user equipment 1 of the user transmits the search sequence that the user has input in the search box to the network device 2, correspondingly
  • the network device 2 receives the search sequence; in step S3, the network device 2 acquires an extended search term corresponding to the search sequence according to the search sequence, including but not limited to at least one of an extended search tag and a classified search option;
  • step S4 the network device 2 provides the obtained extended search term to the user device 1, and accordingly, the user device 1 receives the (equal) extended search term; in step S5, the user device 1 presents the user to the user (etc. ) Expand the search terms for the user to choose.
  • step S1 the user enters a search sequence in the search box.
  • search box is for the user to enter a search sequence for search use.
  • Search boxes can be provided in a variety of scenarios, including but not limited to pages, tools for various browsers Columns and user interfaces for various applications, for example, search boxes can be presented to users on various search engine home pages, navigation areas of various pages, or various navigation pages. The invention is not limited herein.
  • the search box is presented to the user so that the user can activate the search box to enter a search sequence, for example, the user moves the mouse cursor into the search box and clicks the mouse, at which point the search box is activated and the user can enter a search within it. sequence.
  • the search sequence means a character string for searching that the user inputs in the search box, and specifically includes but is not limited to keywords, sentences, and other characters.
  • a user needs to input a search sequence in a broad sense, that is, the user can input the search sequence directly in text form, and can input in other forms, such as a user inputting a voice, user equipment.
  • the speech search can be used to obtain the search sequence corresponding to the speech of the segment.
  • step S2 the user equipment 1 transmits the search sequence that the user has entered in the search box to the network device 2, and accordingly, the network device 2 receives the search sequence.
  • data transmission may be performed between the user equipment 1 and the network device 2 by any predetermined communication method.
  • the user equipment 1 may transmit the search sequence that the user has input to the network device 2 through an HTTP or HTTPS communication protocol.
  • HTTP or HTTPS communication protocol The invention is not limited herein.
  • step S3 the network device 2 acquires one or more extended search terms corresponding to the search sequence according to the search sequence.
  • the extended search term is an extended search suggestion corresponding to the search sequence, including but not limited to an extended search tag and/or a classified search option.
  • the extended search tag corresponds to a specific attribute of the search sequence.
  • a particular attribute can summarize the characteristics of a certain aspect of the search sequence.
  • the search sequences "Sina”, “Sohu”, and “Netease” are the names of websites that have address attributes.
  • the search sequences "Liu Shishi”, “Yang Mi”, and “Wu Qilong” are all names, and these search sequences have character attributes.
  • the search sequence "Where is Dad 2", “Chen Sheng”, and "Hypnosis Master” are current hot spots, and these search sequences have hotspot attributes.
  • the extended search tag is a search suggestion corresponding to a specific attribute of the search sequence, but it is different from the usual search suggestion in a drop-down box of the search box, which is presented to the user in the form of a label.
  • the extended search tag acquired by the network device 2 includes but is not limited to the name of the first or second level of the website, such as " Home", "Weibo” and so on.
  • the search sequence has a character attribute, such as the search sequence "Liu Shishi”
  • the user may have a need to know the related information of the person.
  • the extended search tag acquired by the network device 2 includes, but is not limited to, various application fields surrounding the person.
  • the name such as “encyclopedia”, “post bar”, “picture” and so on.
  • the extended search tags acquired by the network device 2 include, but are not limited to, by the subject of the search sequence. Extended sequences obtained in popular search sequences, such as "list”, “when to broadcast”, etc.
  • the network device 2 may pre-establish a search suggestion library according to the correspondence of the keyword-attribute-extension search tag. An example of how to obtain its corresponding extended search tag will be described below for each specific attribute.
  • the network device 2 may first query a predetermined vocabulary to obtain keywords with address attributes, such as names of various websites, such as "Baidu”, “Sina”, “Sohu”, etc.; accordingly, the network device 2 can grasp Take the navigation information of each website to get the names of the columns of each website, and use the names of the columns in each website as the extended search tags corresponding to their website names.
  • the network device 2 stores various keywords (such as "Sina") - attributes (such as "address”) - extended search tags (such as "home page", "microblogging”) correspondence, thereby establishing a search suggestion library, and according to the foregoing The way to update the search suggestion library on a regular basis or based on other trigger conditions.
  • the network device 2 can directly query the search engine database of the search engine, where the search information database stores an inverted index table in which keywords and their corresponding pages are recorded, and attributes of each keyword are marked and the page is marked. The link relationship between them is also marked. Therefore, by querying the index information base, the network device 2 can obtain keywords with address attributes and It corresponds to the link page of the page, and then analyzes the URLs of the linked pages according to the regular expression of the URL to obtain the columns and their names in the corresponding website, thereby establishing a search suggestion library.
  • the network device 2 can also query the predetermined vocabulary to obtain keywords with address attributes, such as the names of the websites, and query the index information base according to the keywords to obtain the column names of each of the corresponding columns. Thereby establishing a search suggestion library.
  • the network device 2 may first query a predetermined vocabulary to obtain keywords having character attributes, such as various person names and community names, such as "Liu Shishi” and "maroon5"; the network device 2 may Through massive data mining, such as data mining of search engines' search logs, statistics of a large number of users searching for the above-mentioned search results with each of the keyword attributes of the character attribute, and classifying/clustering these search results, the obtained The category is an extended search tag corresponding to a keyword having a character attribute.
  • the network device 2 may classify/cluster the search results accessed by the user to obtain a plurality of packets based on each keyword having a character attribute, and use the application domain corresponding to the obtained group as an extension corresponding to the keyword.
  • the network device 2 may classify/cluster all the search results accessed by the user to obtain a plurality of packets based on all keywords having a character attribute, and use the application domain corresponding to the obtained group as having a character attribute
  • the extended search tag corresponding to the keyword may divide the number of search results belonging to each application domain among the search results accessed by the user according to a predetermined application domain, and use the application domain in which the number of corresponding search results exceeds a predetermined threshold as the corresponding person.
  • the network device 2 may obtain, from the search log of the search engine, a search sequence in which the user search amount exceeds a predetermined threshold within a predetermined period of time, that is, a popular search sequence, and then the network device 2 may cut the popular search sequences to Obtaining a popular keyword therein, a plurality of popular search sequences corresponding to each of the popular keywords, and other keywords and/or segments in each of the popular search sequences, according to which the network device 2 will use the popular keywords As a keyword with hotspot attributes, it will be in the corresponding popular search sequence.
  • Other keywords and/or fragments are used as extended search tags corresponding to the keywords having hotspot attributes, thereby establishing a search suggestion library.
  • the foregoing predetermined vocabulary for querying an address attribute and for querying a predetermined vocabulary having a character attribute may be two independent lexicons, or may be a thesaurus, including Multiple keywords and each keyword has multiple attributes.
  • the search suggestion libraries established based on the above various attributes may also be independent of each other, or partially or completely integrated.
  • the network device 2 may determine one or more specific attributes of the search sequence; then, the network device 2 obtains the corresponding extension according to at least one specific attribute thereof. Search for tags.
  • the network device 2 may query the search suggestion library to obtain a specific attribute of the search sequence, and then query the search suggestion library established according to each manner according to the specific attribute of the search sequence to obtain a corresponding extended search tag.
  • the network device 2 may obtain the extended search tag corresponding to the specific attribute based on only one of the specific attributes, and may also obtain the extended search tag based on some or all of the specific attributes therein. .
  • Each category search option corresponds to one or more search suggestion items.
  • the user can switch among the various category search options by selecting different tabs, and further Browse switched search search options Corresponding search suggestions.
  • the search suggestion item may be presented to the user in a tab form corresponding to the category search option in a usual list form or label form.
  • the network device 2 can query, for example, an existing search suggestion library to obtain a search suggestion sequence of the search sequence, and classify the obtained search suggestion sequence, thereby obtaining corresponding multiple classified search options and at least one classified search option.
  • the corresponding search suggestion sequence This process may be performed in real time when the network device 2 receives the search sequence of the user, or may be established by the network device 2 for the specific keyword according to the foregoing process for the correspondence relationship including the keyword-category search option-search suggestion item.
  • the suggestion library is searched to provide the user with corresponding category search options and their corresponding search suggestion items when the user's search sequence includes these keywords.
  • these specific keywords may be, for example, the names of the film and television works.
  • the search suggestion sequence under the corresponding classified search option can be directly provided to the user as the search suggestion item.
  • the network device 2 determines that its corresponding classified search option includes a US drama and a Korean band and there are multiple search suggestion sequences corresponding to each classified search option, such as the classified search option "American TV”.
  • the category search option "Korean band” corresponds to "big bang lead singer” and "big bang MV”.
  • the network device 2 may de-duplicate the search suggestion sequence under the corresponding category search option, that is, remove the duplicate part of the search suggestion sequence and the search sequence and its corresponding category search option to reduce The content presented in the label, while providing the search suggestions to the user more prominently. For example, for the user's search sequence "suspect tracking", the network device 2 determines that its corresponding category search option includes the first season, the second season, and the third season, and each category search option also has one or more search suggestions.
  • Sequences such as the category search option "first season” include “the suspects track the first episode of the first season”, “the suspects track the first season of the second episode”, etc., after deduplication, the corresponding search suggestion label under each category search option can Only the “first episode”, the "second episode”, and the like are presented. Further, the content presented in the tag can be further reduced and highlighted by synonymous substitution, such as replacing the tag "first episode” with the tag "1".
  • the classified search option may not correspond to the search suggestion item in some cases.
  • the current big bang has not been released in the eighth season, but its trailer has been released or the eighth season has been determined to be released, and the network device 2 can provide The category search option "big bang eighth season", but under it may not correspond to any search suggestions.
  • the network device 2 uses the "trailer" as a search suggestion item under the category search option "big bang eighth season”.
  • a category search option may further include a secondary category search option, and each of the secondary category search options corresponds to one or more search suggestion items.
  • the classified search option "American TV” corresponding to the search sequence "big bang” can be further subdivided into the first quarter, the second season, the third season, etc. of the secondary category search option, and the classified search option "Korean band” can include Level classification search options music, video, news, etc.
  • each sub-category search option such as the right side
  • One or more search suggestion items may be expanded or collapsed on user device 1.
  • the network device 2 can acquire an extended search tag and/or a category search option corresponding to the search sequence according to the search sequence.
  • the network device 2 can also obtain one or more usual search suggestion sequences corresponding to the search sequence and provide it to the user equipment 1 together with the extended search term obtained in the aforementioned manner in a subsequent step.
  • the extended search term may be presented at a prominent location of the search suggestion region, such as the upper region of the search suggestion list, and other general search suggestions may extend the search term in the search suggestion list. The area below is presented to the user.
  • step S4 the network device 2 provides the obtained extended search term to the user device 1 of the user, and accordingly, the user device 1 receives the extended search term provided by the network device 2 based on the search sequence input by the user.
  • step S5 the user device 1 presents the extended search term to the user.
  • the network device can search according to the search sequence and the extended search item selected by the user, and provide corresponding search results. page.
  • the network device 2 After the user selects the extended search term, the network device 2 returns a corresponding search result page, and the search result page may still include a search box; if the user activates the search box again, the network device 2 may input the search previously input by the user.
  • the sequence and its selected extended search term serve as the search sequence that the user has entered, again providing the user with the corresponding extended search term.
  • the search box of the search result page includes the search sequence previously input by the user and the extended search item selected by the user
  • the user equipment 1 may use the search sequence previously input by the user and the extended search item selected by the user as the search that the user has input.
  • the sequence is submitted to network device 2 to obtain a new extended search term.
  • the network device 2 can directly return the specific information to the user.
  • the specific information includes but is not limited to: page, video, audio, document, and the like.
  • the extended search term may include identification information of specific information, which is used to point to specific information, such as various names of specific information, a URL of a webpage, a play address of a video, etc.; when the user selects such an extended search term, the user The device 1 will send an information acquisition request to the network device 2, the information acquisition request including at least the identification information of the specific information; then, the network device 2 acquires the specific information according to the identification information and returns it to the user.
  • identification information of specific information which is used to point to specific information, such as various names of specific information, a URL of a webpage, a play address of a video, etc.
  • the extended search term may also include a pointing link of the specific information, such as the URL of the webpage, the play address of the video, and the like; when the user selects the extended search term, the user device 1 obtains the corresponding specific information according to the pointing link.
  • a pointing link of the specific information such as the URL of the webpage, the play address of the video, and the like
  • 2(a), 3(a), and 4(a) are diagrams showing an extended search tag for a user in accordance with some preferred embodiments of the present invention.
  • the user enters the search sequence "Sina" in the search box, and the network device 2 provides the extended search tag provided to the user to the first or second level of the "Sina” website according to the address attribute of "Sina".
  • the name of the column such as the home page, Weibo, news, finance, etc., so that the extended search tags are presented on the user device 1.
  • these extended search targets can also be selected by the user by expanding/retracting the function item, such as " ⁇ " on the right side of the first line of the search suggestion list.
  • the network device 2 can directly return the page pointed to by the extended search tag.
  • the extended search tags “Homepage”, “Weibo”, “News”, “Finance”, etc. are presented on the user equipment 1, and the user selects the extension therein. Searching for the label "Reading”, the network device 2 directly returns the home page of the "Reading" column of "Sina” to the user, as shown in Fig. 2(b).
  • the network device 2 may provide the extended search tag to the user, that is, the URL of the corresponding page is also provided to the user, so that when the user selects an extended search tag, the user device 1 submits the pair to the network device 2 again.
  • the access request for the page pointed to by its URL may be provided to the user, that is, the URL of the corresponding page is also provided to the user, so that when the user selects an extended search tag, the user device 1 submits the pair to the network device 2 again.
  • the access request for the page pointed to by its URL may be provided to the user, that is, the URL of the corresponding page is also provided to the user, so that when the user selects an extended search tag, the user device 1 submits the pair to the network device 2 again.
  • the access request for the page pointed to by its URL may be provided to the user, that is, the URL of the corresponding page is also provided to the user, so that when the user selects an extended search tag, the user device 1 submits the pair to the network device 2 again.
  • the user inputs a search sequence "Liu Shishi” in the search box, and the network device 2 returns an extended search tag corresponding to the character attribute to the user according to the character attribute of "Liu Shishi", such as "encyclopedia", “Post bar”, “news”, “picture”, etc., so that user device 1 presents these extended search tags to the user.
  • the network device 2 returns a corresponding search result page to the user, as shown in FIG. 3(b). Show.
  • the user inputs a search sequence "Liu Shishi” in the search box, and the network device 2 returns a corresponding extended search tag such as "open romance” and "which school” according to the hot spot attribute of "Liu Shishi” to the user.
  • the graduated “, "ELLE cover”, etc. so that the user device 1 presents these extended search tags to the user.
  • the network device 2 when the user selects the extended search tag "open romance" shown in FIG. 4(a), the network device 2 returns to the user as shown in FIG. 4(b).
  • the search result page shown includes a search box and the search box includes the search sequence "Liu Shishi” previously input by the user and the selected extended search tag "Public Love", so that when the user activates the search box again, as shown in FIG. (c) shows that the network device 2 uses the "Liu Shishi” and "open romance" as the search sequence that the user has input, and continues to provide the user with an extended search tag.
  • the search tag is extended, and the network device 2 records the extended search tag selected by the user when the search result is provided to the user, so that when the user activates the search box again in the search result page, the network device 2 can input the search previously input by the user.
  • the sequence and selected extended search tags serve as the newly entered search sequence, again providing the user with a new extended search tag.
  • the user device 1 when the user device 1 detects the user's pulldown on the touch screen screen thereof.
  • the user device 1 transmits an update request for the extended search tag to the network device 2 to acquire the updated extended search tag from the network device 2 and present it to the user.
  • the search suggestions returned by the network device 2 to the user include not only the extended search tags described above, but the extended search tags are usually presented in the search suggestions.
  • the upper area of the list, such as the first place in the search suggestion list, also includes other common search suggestion sequences that are typically presented below the extended search tags in the search suggestions list.
  • 5(a), 5(b), and 5(c) are diagrams showing a user's classification search option in accordance with further preferred embodiments of the present invention.
  • the user inputs a search sequence "BIG BANG" in the search box, and the network device 2 returns to the user the various category search options of "BIG BANG", such as "American TV series” and "Korean band".
  • the plurality of search search options respectively correspond to a plurality of search suggestion sequences, so that the user equipment 1 presents the tabs of the classified search options, and further presents each search suggestion sequence corresponding to the current search option "American TV”.
  • each category search option corresponds to a plurality of search suggestion sequences, so that the user equipment 1 presents the tabs of the classified search options, and further presents each search suggestion sequence corresponding to the current search option "book”.
  • the user inputs a search sequence "Life Big Bang” in the search box, and the network device 2 returns to the user the various category search options of "Life Big Bang", such as "seventh season", " The sixth season, the fifth season, etc., each category search option corresponds to Multiple search suggestion tags, so that the user device 1 presents the tabs of these classified search options, and further presents the search suggestion tags corresponding to the current search option "seventh season", such as 21, 20, 19, etc., these search suggestion tags Representing the episode X of the seventh season of the Big Bang.
  • the search suggestion item under the updated at least one classified search option may also be obtained from the network device 2 and presented to the user.
  • the search suggestion returned by the network device 2 to the user includes not only the above-mentioned classified search option and its corresponding search suggestion tag, but also other common search suggestion sequences, the former usually being presented in the search.
  • the upper area of the suggestion list such as the first place in the search suggestion list, which is usually presented below the former in the search suggestion list.
  • FIGS. 5(a) and 5(b) those skilled in the art should understand that FIG. 5(a) and FIG. 5(b) can also be similar to FIG. 5(c).
  • the category search option and its corresponding search suggestion label are presented, and other usual other search suggestion sequences in the lower area.
  • the network device 2 provides the user with a preset category search option, wherein at least one preset category search option corresponds to One or more search suggestions, such that the user device 1 presents the (or) predetermined category search option to the user.
  • the preset category search options include “history record”, “hot search”, “hot service”, wherein the currently presented category search option is “history record”, and the category search is performed.
  • the option corresponds to multiple search suggestions, such as "Baidu Video”, “Liu Shishi”, “Andy Lau” and so on.
  • the user equipment switches to the "hot search” tab and presents its corresponding Search for suggestions, such as “foreign boys”, “Hong Kong missing baby girls” and so on.
  • the predetermined reservation is provided to the user as shown in FIGS. 6(a) and 6(b) above.
  • the updated search suggestion item under the at least one classified search option may also be obtained from the network device 2 and presented to the user. user.
  • FIG. 7(a) and 7(b) are diagrams showing the determination of an extended search term by an error correction search sequence corresponding to a search sequence in accordance with still another preferred embodiment of the present invention.
  • the user inputs “Liu try” in the search box, and the network device 2 queries the error correction search sequence “Liu Shishi” corresponding to the search sequence, and provides the error correction search sequence to The user equipment 1 so that the user equipment 1 presents and prompts the error correction search sequence to the user, such as asking the user if you want to search for "Liu Shishi".
  • the user equipment 1 submits the error correction search sequence to the network device 2 as the search sequence that the user has input to obtain the corresponding extended search term, as shown in FIG. 7(b).
  • the network device 2 can directly provide the corresponding user according to the error correction search sequence. Extended search term.
  • the user equipment 1 can also dynamically adjust the window display attribute of the search box according to the occupation information of the input window of the search box according to the search sequence input by the user, so that all the characters of the search sequence are always presented in the current input window.
  • the occupancy information may be determined by the number of characters of the search sequence or by the area occupied by the search sequence.
  • the window display attribute can be determined by the length and width of the window display, or by the area displayed by the window.
  • the user equipment can dynamically adjust the window display attribute of the search box according to the occupation information of the input window of the search box according to the search sequence input by the user, so that all characters of the search sequence are always presented in the current input window.
  • the window display attribute of the search box maintains the current state; when exceeded, such as As shown in FIG. 8(b), the user device 1 raises the window display height of the search box to always present all the characters of the search sequence in the current input window.
  • FIG. 9 is a schematic diagram of an apparatus showing user devices 1 and network devices 2 that interact to provide users with extended search terms in accordance with another aspect of the present invention.
  • the extended presentation device 10 is installed in the user equipment 1, the extended presentation device 10 includes the devices 11-13, the extended providing device 20 is installed in the network device 2, and the extended providing device 20 includes the devices 21-22.
  • the user inputs a search sequence in the search box presented by the user device 1; the device 11 of the user device transmits the search sequence that the user has input in the search box to the network device 2 (for convenience of distinction, the device 11 is hereinafter referred to as The transmitting device 11); the device 21 of the network device 2 acquires, according to the search sequence, an extended search term corresponding to the search sequence, including but not limited to at least one of an extended search tag and a classified search option (for ease of differentiation, the following The device 21 is referred to as an acquisition device 21); the device 22 provides the obtained extended search term to the user device 1 (for convenience of differentiation, the device 22 is hereinafter referred to as the providing device 22), and accordingly, the device 12 of the user device 1 receives the (equal) extended search terms (for ease of differentiation, device 12 will hereinafter be referred to as receiving device 12); device 13 presents the (equal) extended search term to the user for selection by the user (for ease of differentiation, device 13 is referred to below) Presentation device 13).
  • the user enters a search sequence in a search box presented by the user device.
  • search box is for the user to enter a search sequence for search use.
  • Search boxes can be provided in a variety of scenarios, including but not limited to pages, toolbars for various browsers, and user interfaces for various applications, for example, search boxes can be found on various search engine homepages, various Presented to the user in the navigation area of the page or in various navigation pages. The invention is not limited herein.
  • the search box is presented to the user so that the user can activate the search box to enter a search sequence, for example, the user moves the mouse cursor into the search box and clicks the mouse, at which point the search box is activated and the user can enter a search within it. sequence.
  • the search sequence means a character string for searching that the user inputs in the search box, and specifically includes but is not limited to keywords, sentences, and other characters.
  • a user needs to input a search sequence in a broad sense, that is, the user can not only input the search sequence directly in text form, but also The input is performed in other forms, such as the user inputting a piece of voice, and the transmitting device 11 or other device in the user device 1 can acquire the search sequence corresponding to the piece of speech by voice recognition.
  • the transmitting device 11 of the user device 1 transmits the search sequence that the user has entered in the search box to the network device 2, and accordingly, the network device 2 receives the search sequence.
  • the data transmission may be performed between the transmitting device 11 and the network device 2 by any predetermined communication method.
  • the transmitting device 11 may transmit the search sequence input by the user to the network device 2 through the HTTP or HTTPS communication protocol.
  • the invention is not limited herein.
  • the acquisition means 21 of the network device 2 acquires one or more extended search terms corresponding to the search sequence based on the search sequence.
  • the extended search term is an extended search suggestion corresponding to the search sequence, including but not limited to an extended search tag and/or a classified search option.
  • the extended search tag corresponds to a specific attribute of the search sequence.
  • a particular attribute can summarize the characteristics of a certain aspect of the search sequence.
  • the search sequences "Sina”, “Sohu”, and “Netease” are the names of websites that have address attributes.
  • the search sequences "Liu Shishi”, “Yang Mi”, and “Wu Qilong” are all names, and these search sequences have character attributes.
  • the search sequence "Where is Dad 2", “Chen Sheng”, and "Hypnosis Master” are current hot spots, and these search sequences have hotspot attributes.
  • the extended search tag is a search suggestion corresponding to a specific attribute of the search sequence, but it is different from the usual search suggestion in a drop-down box of the search box, which is presented to the user in the form of a label.
  • the extended search tag acquired by the obtaining means 21 includes but is not limited to the name of the first or second level of the website, such as " Home", "Weibo” and so on.
  • the search sequence has a character attribute, such as the search sequence "Liu Shishi”
  • the user may have a need to know the related information of the person.
  • the extended search tag acquired by the obtaining device 21 includes, but is not limited to, various application fields surrounding the person.
  • the name such as “encyclopedia”, “post bar”, “picture” and so on.
  • the extended search tag acquired by the obtaining means 21 includes but is not limited to those obtained by the popular search sequence with the search sequence as the theme. Extended sequences, such as "list”, “when to broadcast”, etc.
  • the network device 2 may pre-establish a search suggestion library according to the correspondence of the keyword-attribute-extension search tag. An example of how to obtain its corresponding extended search tag will be described below for each specific attribute.
  • the network device 2 may first query a predetermined vocabulary to obtain keywords with address attributes, such as names of various websites, such as "Baidu”, “Sina”, “Sohu”, etc.; accordingly, the network device 2 can grasp Take the navigation information of each website to get the names of the columns of each website, and use the names of the columns in each website as the extended search tags corresponding to their website names.
  • the network device 2 stores various keywords (such as "Sina") - attributes (such as "address”) - extended search tags (such as "home page", "microblogging”) correspondence, thereby establishing a search suggestion library, and according to the foregoing The way to update the search suggestion library on a regular basis or based on other trigger conditions.
  • the network device 2 can directly query the search engine database of the search engine, where the search information database stores an inverted index table in which keywords and their corresponding pages are recorded, and attributes of each keyword are marked and the page is marked. The link relationship between them is also marked. Therefore, by querying the index information base, the network device 2 can obtain a keyword page with an address attribute and a link page of the corresponding page, and then analyze the URLs of the linked pages according to the regular expression of the URL to obtain various levels in the corresponding website. Columns and their names to build a search suggestion library. Preferably, the network device 2 can also query the predetermined vocabulary to obtain keywords with address attributes, such as the names of the websites, and query the index information base according to the keywords to obtain the column names of each of the corresponding columns. Thereby establishing a search suggestion library.
  • the network device 2 may first query a predetermined vocabulary to obtain keywords having character attributes, such as various person names and community names, such as "Liu Shishi” and "maroon5"; the network device 2 may Mining through massive data, such as search engines The log performs data mining, and counts search results accessed by a large number of users when searching for each keyword having a character attribute, and classifies/clusters the search results, and obtains the category as a keyword having a character attribute. Expand the search tag. The network device 2 may classify/cluster the search results accessed by the user to obtain a plurality of packets based on each keyword having a character attribute, and use the application domain corresponding to the obtained group as an extension corresponding to the keyword.
  • keywords having character attributes such as various person names and community names, such as "Liu Shishi" and "maroon5"
  • the log performs data mining, and counts search results accessed by a large number of users when searching for each keyword having a character attribute, and classifies/clusters the search results, and obtain
  • the network device 2 may classify/cluster all the search results accessed by the user to obtain a plurality of packets based on all keywords having a character attribute, and use the application domain corresponding to the obtained group as having a character attribute
  • the extended search tag corresponding to the keyword may divide the number of search results belonging to each application domain among the search results accessed by the user according to a predetermined application domain, and use the application domain in which the number of corresponding search results exceeds a predetermined threshold as the corresponding person.
  • the network device 2 may obtain, from the search log of the search engine, a search sequence in which the user search amount exceeds a predetermined threshold within a predetermined period of time, that is, a popular search sequence, and then the network device 2 may cut the popular search sequences to Obtaining a popular keyword therein, a plurality of popular search sequences corresponding to each of the popular keywords, and other keywords and/or segments in each of the popular search sequences, according to which the network device 2 will use the popular keywords
  • a keyword having a hot spot attribute other keywords and/or fragments in the corresponding popular search sequence are used as extended search tags corresponding to the keyword having the hot spot attribute, thereby establishing a search suggestion library.
  • the foregoing predetermined vocabulary for querying an address attribute and for querying a predetermined vocabulary having a character attribute may be two independent lexicons, or may be a thesaurus, including Multiple keywords and each keyword has multiple attributes.
  • the search suggestion libraries established based on the above various attributes may also be independent of each other, or partially or completely integrated.
  • the obtaining means 21 may determine one or more specific attributes of the search sequence; then, the obtaining means 21 obtains the corresponding extension according to at least one specific attribute thereof. Search for tags.
  • the obtaining device 21 may query the search suggestion library to obtain a specific attribute of the search sequence, and then query the search suggestion library established according to each manner according to the specific attribute of the search sequence to obtain a corresponding extended search tag.
  • the obtaining means 21 may obtain the extended search tag corresponding to the specific attribute based on only one of the specific attributes, and may also obtain the extended search tag based on some or all of the specific attributes therein. .
  • Each category search option corresponds to one or more search suggestion items.
  • the user can switch among the various category search options by selecting different tabs, and further Browse the search suggestions corresponding to the switched category search option.
  • the search suggestion item may be presented to the user in a tab form corresponding to the category search option in a usual list form or label form.
  • the obtaining means 21 may, for example, query an existing search suggestion library to obtain a search suggestion sequence of the search sequence, and classify the obtained search suggestion sequence, thereby obtaining a corresponding plurality of classified search options and at least one classified search option.
  • the corresponding search suggestion sequence This process may be performed by the obtaining device 21 in real time when the network device 2 receives the search sequence of the user, or may be established by the network device 2 for the specific keyword according to the foregoing process, including the keyword-category search option-search suggestion item.
  • Correspondence search search library for subsequent acquisition when the user's search sequence includes these keywords
  • the search query library provides the user with the corresponding classified search options and their corresponding search suggestion items.
  • these specific keywords may be, for example, the names of the film and television works.
  • the search suggestion sequence under the corresponding classified search option can be directly provided to the user as the search suggestion item.
  • the obtaining means 21 determines that its corresponding classified search option includes a US drama and a Korean band and each of the classified search options also has a plurality of search suggestion sequences, such as a classified search option "American TV”.
  • search suggestion sequences such as a classified search option "American TV”.
  • the category search option "Korean band” corresponds to "big bang lead singer" and "big bang MV”.
  • the obtaining means 21 may de-duplicate the search suggestion sequence under the corresponding classified search option, that is, remove the repeated part of the search suggestion sequence and the search sequence and its corresponding classified search option to reduce The content presented in the label, while providing the search suggestions to the user more prominently. For example, for the user's search sequence "suspect tracking", the obtaining means 21 determines that its corresponding classified search option includes the first season, the second season, and the third season, and each of the classified search options further corresponds to one or more search suggestions.
  • Sequences such as the category search option "first season” include “the suspects track the first episode of the first season”, “the suspects track the first season of the second episode”, etc., after deduplication, the corresponding search suggestion label under each category search option can Only the “first episode”, the "second episode”, and the like are presented. Further, the content presented in the tag can be further reduced and highlighted by synonymous substitution, such as replacing the tag "first episode” with the tag "1".
  • the classified search option may not correspond to the search suggestion item in some cases.
  • the current big bang has not been released in the eighth season, but its trailer has been released or the eighth season has been determined to be released, and the obtaining device 21 can obtain The category search option "big bang eighth season", but under it may not correspond to any search suggestions.
  • the acquisition means 21 uses "trailer" as a search suggestion item under the category search option "big bang eighth season”.
  • a category search option may further include a secondary category search option, and each of the secondary category search options corresponds to one or more search suggestion items.
  • the search search option "American TV” corresponding to the search sequence "big bang” can also To further subdivide into the first quarter, second season, third season, etc. of the sub-category search option, the category search option "Korean band" may include sub-category search options music, videos, news, and the like. In the vicinity of each sub-category search option, such as the right side, there may be provided an expand/collapse function item, such as "+”, ">", after the user selects the function item, under the corresponding sub-category search option One or more search suggestion items may be expanded or collapsed on user device 1.
  • the obtaining means 21 can acquire an extended search tag and/or a classified search option corresponding to the search sequence according to the search sequence.
  • the acquisition means 21 or other means in the network device 2 can also obtain one or more usual search suggestion sequences corresponding to the search sequence, and in the subsequent steps it is combined with the extended search term obtained in the aforementioned manner.
  • the extended search term may be presented at a prominent location of the search suggestion region, such as the upper region of the search suggestion list, and other general search suggestions may extend the search term in the search suggestion list. The area below is presented to the user.
  • the providing means 22 supplies the obtained extended search term to the user device 1 of the user, and accordingly, the receiving device 12 of the user device 1 receives the extended search term provided by the network device 2 based on the search sequence input by the user. Subsequently, the presentation device 13 of the user device 1 presents the user with an extended search term.
  • the network device may according to the search sequence And the extended search term selected by the user to search and provide a corresponding search result page.
  • the network device 2 After the user selects the extended search term, the network device 2 returns a corresponding search result page, and the search result page may still include a search box; if the user activates the search box again, the obtaining device 21 of the network device 2 may The previously entered search sequence and its selected extended search term serve as the search sequence that the user has entered, and again provide the user with the corresponding extended search term.
  • the search box of the search results page includes the user’s previous input
  • the transmitting device 11 of the user equipment 1 may submit the search sequence previously input by the user and its selected extended search term to the network device 2 as a search sequence that the user has input to obtain a new extended search. item.
  • an information acquisition means in the network device 2 can directly return the specific information to the user.
  • the specific information includes but is not limited to: page, video, audio, document, and the like.
  • the extended search term may include identification information of specific information, which is used to point to specific information, such as various names of specific information, a URL of a webpage, a play address of a video, etc.; when the user selects such an extended search term, the user The device 1 will send an information acquisition request to the network device 2, the information acquisition request including at least the identification information of the specific information; and then, the information acquisition device of the network device 2 acquires the specific information according to the identification information and returns it to the user.
  • identification information of specific information which is used to point to specific information, such as various names of specific information, a URL of a webpage, a play address of a video, etc.
  • the extended search term may also include a pointing link of the specific information, such as the URL of the webpage, the play address of the video, and the like; when the user selects the extended search term, the user device 1 obtains the corresponding specific information according to the pointing link.
  • a pointing link of the specific information such as the URL of the webpage, the play address of the video, and the like
  • the present invention can be implemented in software and/or a combination of software and hardware, for example, using an application specific integrated circuit (ASIC), a general purpose computer, or any other similar hardware device.
  • the software program of the present invention may be executed by a processor to implement the steps or functions described above.
  • the software program (including related data structures) of the present invention can be stored in a computer readable recording medium such as a RAM memory, a magnetic or optical drive or a floppy disk and the like.
  • some of the steps or functions of the present invention may be implemented in hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.
  • an embodiment in accordance with the present invention includes a device including a memory for storing computer program instructions and a processor for executing program instructions, wherein when the computer program instructions are executed by the processor, triggering
  • the apparatus operates based on the aforementioned methods and/or technical solutions in accordance with various embodiments of the present invention.

Abstract

一种提供扩展搜索项的方法与装置，其中，通过用户设备与网络设备的交互，为用户提供了与其已输入的搜索序列相对应的扩展搜索项，如对应于搜索序列的特定属性的扩展搜索标签、包括一个或多个搜索建议项的分类搜索选项。一方面，由于扩展搜索标签是对应于搜索序列的特定的属性的，其是搜索序列本身属性的角度来理解用户的搜索需求，其与搜索序列的紧密度更高，且占用页面空间较少；另一方面，由于每个分类搜索选项还可包括一个或多个搜索建议项，在引导用户搜索需求的同时，还在页面的有限空间在尽可能多地向用户提供搜索建议项。

Description

一种提供扩展搜索项的方法与装置
本申请以一中国专利申请作为优先权申请，该中国专利申请的申请日为2014年5月16日，申请号为201410209908.3，发明名称为“一种提供扩展搜索项的方法与装置”。
技术领域
本发明涉及互联网领域，尤其涉及一种提供扩展搜索项的技术。
背景技术
如今，当用户进行搜索时，其通常需要先在搜索框中输入搜索序列，这时，搜索引擎通常会根据用户已输入的搜索序列为该用户提供若干个搜索建议序列。
例如，当用户在搜索框中输入“刘诗诗”时，搜索引擎为该用户提供的搜索建议序列包括“刘诗诗吴奇隆”、“刘诗诗步步惊情”、“刘诗诗个人资料”、“刘诗诗百度百科”、“刘诗诗图片”等。再如，当用户输入“big bang”时，搜索引擎提供的搜索建议序列包括“big bang theory”、“big bang theory season 7”、“big bang theory在线”、“big bang theory第七季”、“big bang胜利”等。
可以看出，搜索引擎仅提供了与搜索序列相关的搜索建议序列，然而，从内容而言，所提供的搜索建议序列的内容散乱，如对于搜索序列“刘诗诗”，有的搜索建议序列对应于当前热点，有的搜索建议序列对应于该演员的个人信息；再如对于搜索序列“big bang”，有的搜索建议序列对应于美国电视剧《生活大爆炸》，有的搜索建议序列对应于韩国乐队bigbang。
从形式而言，搜索引擎当前所提供的搜索建议序列一般仅在搜索框的下拉框逐个地排列，并无其它呈现形式。
因此，现有技术中，搜索引擎所提供的搜索建议序列内容杂乱、 表现形式单一、信息量较小、从而未能较好地满足用户需求。
发明内容
本发明的目的是提供一种提供扩展搜索项的方法与装置。
根据本发明的一个方面，提供了一种在网络设备中提供扩展搜索项的方法，其中，该方法包括：
a根据用户在搜索框中已输入的搜索序列，获取与所述搜索序列相对应的扩展搜索项，所述扩展搜索项包括但不限于以下至少任一项：
-扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
-分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
b将所述扩展搜索项提供给所述用户。
根据本发明的一个方面，还提供了一种在用户设备中呈现扩展搜索项的方法，其中，该方法包括：
-将用户在搜索框中已输入的搜索序列发送至网络设备；
-自所述网络设备接收与所述搜索序列相对应的扩展搜索项，其中，所述扩展搜索项包括但不限于以下至少任一项：
-扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
-分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
-向所述用户呈现所述扩展搜索项。
根据本发明的一个方面，还提供了一种在网络设备中提供扩展搜索项的装置，其中，该装置包括：
用于根据用户在搜索框中已输入的搜索序列，获取与所述搜索序列相对应的扩展搜索项的装置，所述扩展搜索项包括但不限于以下至少任一项：
-扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
-分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
用于将所述扩展搜索项提供给所述用户的装置。
根据本发明的一个方面，还提供了在用户设备中呈现扩展搜索项的装置，其中，该装置包括：
用于将用户在搜索框中已输入的搜索序列发送至网络设备的装置；
用于自所述网络设备接收与所述搜索序列相对应的扩展搜索项的装置，其中，所述扩展搜索项包括但不限于以下至少任一项：
-扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
-分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
用于向所述用户呈现所述扩展搜索项的装置。
与现有技术相比，本发明通过用户设备与网络设备的交互，为用户提供了与其已输入的搜索序列相对应的扩展搜索项，如对应于搜索序列的特定属性的扩展搜索标签、包括一个或多个搜索建议项的分类搜索选项。根据本发明的方案，一方面，由于扩展搜索标签是对应于搜索序列的特定属性的，其是搜索序列本身属性的角度来理解用户的搜索需求，其与搜索序列的紧密度更高，且占用页面空间较少；另一方面，由于每个分类搜索选项还可包括一个或多个搜索建议项，用户可以切换分类搜索选项来浏览不同分类下的搜索建议项，在引导用户搜索需求的同时，还在页面的有限空间在尽可能多地向用户提供搜索建议项。因此，本发明所提供的扩展搜索项可以更为有效的引导用户的搜索需求，减少用户的输入成本，提供搜索效率，同时其呈现方式也具有更高的信息量。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：
图1示出根据本发明一个方面的一种提供扩展搜索项的方法流程图；
图2(a)和图2(b)示出根据本发明一个应用实施例的向用户提供基于地址属性的扩展搜索标签及其后续操作的示意图；
图3(a)和图3(b)示出根据本发明一个应用实施例的向用户提供基于人物属性的扩展搜索标签及其后续操作的示意图；
图4(a)、图4(b)和图4(c)示出根据本发明一个应用实施例的向用户提供基于热点属性的扩展搜索标签及其后续操作的示意图；
图5(a)、图5(b)和图5(c)分别示出根据本发明一个应用实施例的向用户提供分类搜索选项的示意图；
图6(a)和图6(b)示出根据本发明一个应用实施例的在用户输入前向用户提供预定的分类搜索选项及其后续操作的示意图；
图7(a)和图7(b)示出根据本发明一个应用实施例的向用户提供纠错搜索序列的示意图；
图8(a)和图8(b)示出根据本发明一个应用实施例的调整搜索框的窗口显示属性的示意图；
图9示出根据本发明另一个方面的一种提供扩展搜索项的用户设备1和网络设备2的装置示意图。
附图中相同或相似的附图标记代表相同或相似的部件。
具体实施方式
下面结合附图对本发明作进一步详细描述。
本发明中扩展搜索项的提供可通过网络设备和用户设备的交互来实现。具体地，用户设备将用户在搜索框中已输入的搜索序列发送至网络设备；接着，网络设备根据该搜索序列，获取相应的扩展搜索 项，其包括但不限于对应于该搜索序列的特定属性的扩展搜索标签、其中每个分类搜索选项对应有一个或多个搜索建议项的可切换分类搜索选项；随后，网络设备将所获取的扩展搜索项提供给用户设备；接着，用户设备向该用户呈现扩展搜索项。
在此，用户设备包括但不限于任何一种可与用户通过键盘、触摸板以及声控设备等输入设备进行人机交互的电子产品，例如计算机、手机、智能手机、PDA、平板电脑等。
在此，网络设备包括但不限于网络主机、单个网络服务器、多个网络服务器集合或多个服务器构成的云。在此，云由基于云计算(Cloud Computing)的大量主机或网络服务器构成，其中，云计算是分布式计算的一种，由一群松散耦合的计算机集合组成的一个超级虚拟计算机。
进一步地，本发明中，网络设备可作为整体，或由其中部分网络主机/服务器，甚至装置于一个或多个网络主机/服务器中的特定装置，如扩展提供装置，来与用户设备进行交互并提供扩展搜索项。如无特别说明，本文中网络设备与扩展提供装置等同使用，用户设备与扩展呈现装置等同使用。
图1为根据本发明一个方面的方法流程图，示出一种提供扩展搜索项的过程。如图1所示，在步骤S1中，用户在搜索框中输入搜索序列；在步骤S2中，用户的用户设备1将用户在该搜索框中已输入的搜索序列发送至网络设备2，相应地，网络设备2接收该搜索序列；在步骤S3中，网络设备2根据该搜索序列，获取与该搜索序列相对应的扩展搜索项，包括但不限于扩展搜索标签和分类搜索选项中至少之一；在步骤S4中，网络设备2将所获得的扩展搜索项提供给用户设备1，相应地，用户设备1接收该(等)扩展搜索项；在步骤S5中，用户设备1向用户呈现该(等)扩展搜索项，以供用户选择。
具体地，在步骤S1中，用户在搜索框中输入搜索序列。
在此，搜索框供用户输入搜索序列以进行搜索使用。搜索框可在多种场景中被提供，这些场景包括但不限于页面、各种浏览器的工具 栏以及各种应用程序的用户界面，例如，搜索框可以在各种搜索引擎的主页、各种页面的导航区域或者各种导航页中呈现给用户。本发明在此不做限制。
在上述场景中，搜索框被呈现给用户，从而用户可激活搜索框来输入搜索序列，例如，用户将鼠标光标移入搜索框并点击鼠标，此时搜索框被激活，用户可在其内输入搜索序列。
在此，搜索序列意指用户在搜索框中输入的用于搜索的字符串，其具体包括但不限于关键词、语句以及其他字符等。
需要说明的是，本领域技术人员应能理解，对用户输入搜索序列需做广义理解，即用户不仅可以直接以文字形式输入搜索序列，还可以其他形式进行输入，如用户输入一段语音，用户设备1可通过语音识别来获取该段语音所对应的搜索序列。
在步骤S2中，用户设备1将用户在搜索框中已输入的搜索序列发送至网络设备2，相应地，网络设备2接收该搜索序列。在此，用户设备1与网络设备2之间可采用任何预定的通信方式进行数据传输，例如用户设备1可通过HTTP或HTTPS通信协议向网络设备2发送用户已输入的搜索序列。本发明在此不做限制。
随后，在步骤S3中，网络设备2根据该搜索序列，获取与该搜索序列相对应的一个或多个扩展搜索项。
其中，扩展搜索项是与搜索序列相对应的扩展搜索建议，其包括但不限于扩展搜索标签和/或分类搜索选项。
扩展搜索标签
在此，扩展搜索标签对应于搜索序列的特定属性。
特定属性可以概括搜索序列某一方面的特征。例如，搜索序列“新浪”、“搜狐”、“网易”均为网站的名称，这些搜索序列具有地址属性。再如，搜索序列“刘诗诗”、“杨幂”、“吴奇隆”均为人名，这些搜索序列具有人物属性。又如，搜索序列“爸爸去哪儿2”、“陈升”、“催眠大师”均为当前热点，这些搜索序列具有热点属性。
扩展搜索标签是对应于搜索序列的特定属性的搜索建议，但其与通常的搜索建议在搜索框的下拉框中分行逐条呈现的方式不同，其是以标签的形式呈现给用户。例如，当搜索序列具有地址属性时，如搜索序列“新浪”，用户可能具有寻址需求，因此，网络设备2获取的扩展搜索标签包括但不限于网站一级或二级栏目的名称，如“首页”、“微博”等。再如，当搜索序列具有人物属性时，如搜索序列“刘诗诗”，用户可能具有了解该人物相关信息的需求，因此，网络设备2获取的扩展搜索标签包括但不限于围绕该人物的各应用领域的名称，如“百科”、“贴吧”、“图片”等。又如，当搜索序列具有热点属性时，如搜索序列“爸爸去哪儿2”，用户可能具有了解当前热点的需求，网络设备2获取的扩展搜索标签包括但不限于由以该搜索序列为主题的热门搜索序列中获得的扩展序列，如“名单”、“什么时候播出”等。
根据关键词-属性-扩展搜索标签的对应关系，网络设备2可预先建立搜索建议库。以下将针对每种具体属性来举例描述如何获得其对应的扩展搜索标签。
1)地址属性
例如，网络设备2可先查询一预定词库来获得具有地址属性的关键词，如各网站的名称，具体诸如“百度”、“新浪”、“搜狐”等；据此，网络设备2可抓取其中每个网站的导航信息，从而获得相应网站的各级栏目的名称，并将每个网站中各级栏目的名称作为与其网站名称相对应的扩展搜索标签。网络设备2存储各关键词(如“新浪”)-属性(如“地址”)-扩展搜索标签(如“首页”、“微博”)的对应关系，从而建立搜索建议库，并可按照前述方式来定期或基于其他触发条件更新该搜索建议库。
可替代地，网络设备2可直接查询搜索引擎的搜索信息库，该搜索信息库中存储有一倒排索引表，其中记录了关键词及其对应的页面，每个关键词的属性被标注且页面之间的链接关系也被标注。因此，通过查询该索引信息库，网络设备2可获得具有地址属性的关键词及 其对应页面的链接页面，进而根据网址的正则表达式分析这些链接页面的网址，以获得相应网站中的各级栏目及其名称，从而建立搜索建议库。优选地，网络设备2也可查询上述预定词库来获得具有地址属性的关键词，如各网站的名称，并根据这些关键词查询索引信息库来获得其中每个所对应的各级栏目名称，从而建立搜索建议库。
2)人物属性
例如，网络设备2同样可先查询一预定词库来获得具有人物属性的关键词，如各种人名、社团名，具体前者如“刘诗诗”，后者如“maroon5”；随后，网络设备2可通过海量数据挖掘，如对搜索引擎的搜索日志进行数据挖掘，统计大量用户搜索前述各具有人物属性的关键词时所访问的搜索结果，并对这些搜索结果进行分类/聚类，将所获得的类别作为具有人物属性的关键词所对应的扩展搜索标签。其中，网络设备2可基于每个具有人物属性的关键词，对用户访问的搜索结果进行分类/聚类以获得多个分组，并将所获得分组所对应的应用领域作为关键词所对应的扩展搜索标签；或者，网络设备2可基于所有具有人物属性的关键词，对用户访问的全部搜索结果进行分类/聚类以获得多个分组，并将所获得分组所对应的应用领域作为具有人物属性的关键词所对应的扩展搜索标签。可替代地，网络设备2可按照预定的应用领域划分，统计用户访问的搜索结果中属于各应用领域的搜索结果的数量，将其中对应搜索结果的数量超过预定阈值的应用领域作为与相应具有人物属性的关键词或所有具有人物属性的关键词相对应的扩展搜索标签。
3)热点属性
例如，网络设备2可从搜索引擎的搜索日志获取当前的一段预定时间内用户搜索量超过预定阈值的搜索序列，即热门搜索序列，随后，网络设备2可对这些热门搜索序列进行切词，以获得其中的热门关键词、与其中每个热门关键词对应的多个热门搜索序列，以及其中每个热门搜索序列中的其他关键词和/或片段，据此，网络设备2将这些热门关键词作为具有热点属性的关键词，将其对应的热门搜索序列中的 其他关键词和/或片段作为与该具有热点属性的关键词相对应的扩展搜索标签，从而建立搜索建议库。
在此，需要说明的是，上述用于查询具有地址属性的预定词库和用于查询具有人物属性的预定词库，可以是两个相互独立的词库，也可以是一个词库，其中包括多个关键词且每个关键词具有多种属性。并且，上述基于各种属性所建立的搜索建议库也可以是相互独立，或者部分或全部集成在一起的。
还需要说明的是，尽管本发明在此仅列举了搜索序列的3种属性及其分别对应的扩展搜索标签，然而本领域技术人员应能理解，这是列举式的，而非穷尽式的，故仅用于解释说明本发明之目的，而不应被理解为对本发明的任何限制。根据具体应用的需要，搜索序列的其他属性可以被使用并获得对应的扩展搜索标签，这些其他属性及其各自对应的扩展搜索标签的确定方式与上述3种属性及其各自对应扩展搜索标签的确定方式并无实质不同，因此应被包含于本发明的专利保护范围之内。
上述搜索建议库建立之后，当接收到用户已输入的搜索序列后，网络设备2可确定该搜索序列的一个或多个特定属性；接着，网络设备2根据其中至少一个特定属性，获得相应的扩展搜索标签。
其中，网络设备2例如可查询上述搜索建议库中来获取搜索序列的特定属性，进而根据搜索序列的特定属性，查询依照上述各方式建立的搜索建议库，来获得相应的扩展搜索标签。其中，当搜索序列具有多个特定属性时，网络设备2可以仅基于其中一个特定属性来获得与该特定属性相对应的扩展搜索标签，也可以基于其中的部分或全部特定属性来获得扩展搜索标签。
分类搜索选项
每个分类搜索选项对应有一个或多个搜索建议项，多个分类搜索选项以选项卡形式被呈现给用户时，用户可通过选择不同的选项卡来在各分类搜索选项中进行切换，并进一步浏览切换后的分类搜索选项 所对应的搜索建议项。在此，搜索建议项可以通常的列表形式或标签形式在其对应分类搜索选项的选项卡中呈现给用户。
在此，网络设备2例如可查询一已有搜索建议库来获得搜索序列的搜索建议序列，并对所获得的搜索建议序列进行分类，从而获得相应的多个分类搜索选项以及至少一个分类搜索选项所对应的搜索建议序列。这一过程可以在网络设备2接收到用户的搜索序列时实时进行，也可以由网络设备2针对特定的关键词按照前述过程为其建立包括关键词-分类搜索选项-搜索建议项的对应关系的搜索建议库，以在后续当用户的搜索序列包括这些关键词时为用户提供相应的分类搜索选项及其分别对应的搜索建议项。在此，这些特定的关键词例如可以为影视作品的名称。
其中，当搜索建议项以通常的列表形式呈现给用户时，相应分类搜索选项下的搜索建议序列可直接作为搜索建议项提供给用户。例如，对于用户的搜索序列“big bang”，网络设备2确定其对应的分类搜索选项包括美剧和韩国乐队且每个分类搜索选项下还对应有多个搜索建议序列，如分类搜索选项“美剧”下对应有“big bang第一季”、“big bang第二季”等，分类搜索选项“韩国乐队”下对应有“big bang主唱”、“big bang MV”等。
当搜索建议项以标签形式呈现给用户时，网络设备2可以对相应分类搜索选项下的搜索建议序列去重，即去掉搜索建议序列中与搜索序列及其对应分类搜索选项的重复部分，以减少在标签中呈现的内容，同时更突出重点地向用户提供搜索建议。例如，对于用户的搜索序列“疑犯追踪”，网络设备2确定其对应的分类搜索选项包括第一季、第二季和第三季且每个分类搜索选项下还对应有一个或多个搜索建议序列，如分类搜索选项“第一季”包括“疑犯追踪第一季第一集”、“疑犯追踪第一季第二集”等，去重后每个分类搜索选项下对应的搜索建议标签可以仅呈现“第一集”、“第二集”等。进一步地，标签中呈现的内容还可通过同义替换来进一步减少和突出，如将标签“第一集”替换为标签“1”。
在此，分类搜索选项在一些情形下也可以不对应有搜索建议项，例如，当前big bang第八季尚未发布，但其预告片已发布或第八季已确定要发布，网络设备2可以提供分类搜索选项“big bang第八季”，但其下可以不对应任何搜索建议项。或者，网络设备2将“预告片”作为分类搜索选项“big bang第八季”下的搜索建议项。
优选地，一个分类搜索选项下还可以进一步包括次级分类搜索选项，每个次级分类搜索选项对应有一个或多个搜索建议项。
例如，搜索序列“big bang”对应的分类搜索选项“美剧”还可以进一步细分为次级分类搜索选项第一季、第二季、第三季等，分类搜索选项“韩国乐队”可以包括次级分类搜索选项音乐、视频、新闻等。在每个次级分类搜索选项的邻近区域，如其右侧，可提供有展开/收起功能项，如“+”、“>”，用户选择该功能项后，相应次级分类搜索选项下的一个或多个搜索建议项可以用户设备1上被展开或收起。
综上所述，网络设备2可以根据搜索序列，获取与该搜索序列相对应的扩展搜索标签和/或分类搜索选项。
优选地，网络设备2还可以获得与搜索序列相对应的一个或多个通常的搜索建议序列，并在随后的步骤中将其与按照前述方式获得的扩展搜索项一并提供给用户设备1。例如，当在用户设备1中呈现给用户时，扩展搜索项可以在搜索建议区域的显著位置呈现，如搜索建议列表的上部区域，其他的通常搜索建议可在该搜索建议列表中扩展搜索项的下方区域呈现给用户。
随后，在步骤S4中，网络设备2将所获得的扩展搜索项提供给用户的用户设备1，相应地，用户设备1接收网络设备2基于用户输入的搜索序列提供的扩展搜索项。
在步骤S5中，用户设备1向用户呈现扩展搜索项。
之后，当用户选择扩展搜索项时，更具体地，当用户选择扩展搜 索标签、或分类搜索选项、或次级分类搜索选项、或分类搜索选项对应的搜索建议项时，网络设备可以根据搜索序列以及用户所选的扩展搜索项来进行搜索，并提供对应的搜索结果页面。
而且，在用户选择扩展搜索项后，网络设备2返回对应的搜索结果页，该搜索结果页中仍可包括搜索框；如果该用户再次激活该搜索框，网络设备2可将用户之前输入的搜索序列及其选择的扩展搜索项作为用户已输入的搜索序列，再次为用户提供相应的扩展搜索项。例如，当搜索结果页的搜索框中包括用户之前输入的搜索序列及其选择的扩展搜索项时，用户设备1可将用户之前输入的搜索序列及其选择的扩展搜索项作为用户已输入的搜索序列提交至网络设备2来获得新扩展搜索项。
可替代地，如果用户选择的扩展搜索项指向一特定信息，网络设备2可直接向该用户返回该特定信息。其中，特定信息包括但不限于：页面、视频、音频、文档等。
扩展搜索项中可以包括特定信息的标识信息，该标识信息用于指向特定信息，如特定信息的各种名称、网页的URL，视频的播放地址等；当用户选择这样的扩展搜索项时，用户设备1将向网络设备2发送信息获取请求，该信息获取请求中至少包括该特定信息的标识信息；接着，网络设备2根据该标识信息获取特定信息并将其返回给用户。
扩展搜索项中也可以包括特定信息的指向链接，如网页的URL，视频的播放地址等；当用户选择扩展搜索项时，用户设备1根据该指向链接来获取相应的特定信息。
图2(a)、图3(a)、图4(a)为根据本发明一些优选实施例的为用户提供扩展搜索标签的示意图。
如图2(a)所示，用户在搜索框中输入搜索序列“新浪”，网络设备2根据“新浪”的地址属性，向用户提供的扩展搜索标签为“新浪”网站中一级或二级栏目的名称，如首页、微博、新闻、财经等，从而用户设备1上呈现这些扩展搜索标签。优选地，这些扩展搜索标 签还可通过展开/收起功能项，如搜索建议列表首行右侧的“∧”，来由用户选择是否展现。
进一步地，由于上述扩展搜索标签均可指向特定页面，如相应栏目的主页，当用户选择其中一个扩展搜索标签时，网络设备2可直接返回该扩展搜索标签所指向的页面。配合参阅图2(a)和(b)，图2(a)中，用户设备1上呈现扩展搜索标签“首页”、“微博”、“新闻”、“财经”等，用户选择其中的扩展搜索标签“读书”，则网络设备2直接向用户返回“新浪”的“读书”栏目的主页，如图2(b)所示。可替代地，网络设备2可以在向用户提供扩展搜索标签时，即将其对应页面的URL也一并提供给用户，从而当用户选择一个扩展搜索标签时，用户设备1再向网络设备2提交对其URL所指向页面的访问请求。
如图3(a)所示，用户在搜索框中输入搜索序列“刘诗诗”，网络设备2根据“刘诗诗”的人物属性，向用户返回与人物属性相对应的扩展搜索标签，如“百科”、“贴吧”、“新闻”、“图片”等，从而用户设备1向用户呈现这些扩展搜索标签。并且，配合参阅图3(b)，当用户在图3(a)所示的扩展搜索标签中选择“图片”，网络设备2向该用户返回相应的搜索结果页，如图3(b)所示。
如图4(a)所示，用户在搜索框中输入搜索序列“刘诗诗”，网络设备2根据“刘诗诗”的热点属性，向用户返回对应的扩展搜索标签如“公开恋情”、“是哪个学校毕业的”、“ELLE封面”等，从而用户设备1向用户呈现这些扩展搜索标签。优选地，配合参阅图4(b)和图4(c)，当用户选择图4(a)中所示的扩展搜索标签“公开恋情”后，网络设备2向用户返回如图4(b)所示的搜索结果页，其中包括搜索框且该搜索框中包括用户之前输入的搜索序列“刘诗诗”及选择的扩展搜索标签“公开恋情”，从而当用户再次激活该搜索框后，如图4(c)所示，网络设备2将该“刘诗诗”及“公开恋情”作为用户已输入的搜索序列，继续为用户提供扩展搜索标签。在此，需要说明的是，无论上述搜索结果页的搜索框中是否呈现用户选择的 扩展搜索标签，由于网络设备2向用户提供搜索结果时均会记录该用户选择的扩展搜索标签，从而当用户在搜索结果页中再次激活搜索框后，网络设备2均可将用户之前输入的搜索序列及选择的扩展搜索标签作为新输入的搜索序列，再次为用户提供新扩展搜索标签。
优选地，在上述如图2(a)、图3(a)、图4(a)所示的向用户提供扩展搜索标签的场景中，当用户设备1检测到用户在其触摸屏屏幕上的下拉操作时，用户设备1向网络设备2发送关于扩展搜索标签的更新请求，以从网络设备2获取更新后的扩展搜索标签，并呈现给用户。
优选地，如图2(a)、图3(a)、图4(a)所示，网络设备2向用户返回的搜索建议，不仅包括上述扩展搜索标签，这些扩展搜索标签通常呈现在搜索建议列表的上部区域，如搜索建议列表的首位，还包括其他通常的搜索建议序列，这些搜索建议序列通常呈现在搜索建议列表中扩展搜索标签的下方。
图5(a)、图5(b)和图5(c)为根据本发明另一些优选实施例的为用户提供分类搜索选项的示意图。
如图5(a)所示，用户在搜索框中输入搜索序列“BIG BANG”，网络设备2向用户返回“BIG BANG”的各分类搜索选项，如“美剧”、“韩国乐队”，这两个分类搜索选项分别对应有多个搜索建议序列，从而用户设备1呈现这些分类搜索选项的选项卡，并进一步呈现当前搜索选项“美剧”所对应的各搜索建议序列。
如图5(b)所示，用户在搜索框中输入搜索序列“哈利波特”，用网络设备2向用户返回“哈利波特”的各分类搜索选项，如“图书”、“电影”、“原声带”，每个分类搜索选项分别对应有多个搜索建议序列，从而用户设备1呈现这些分类搜索选项的选项卡，并进一步呈现当前搜索选项“图书”所对应的各搜索建议序列。
如图5(c)所示，用户在搜索框中输入搜索序列“生活大爆炸第”，网络设备2向用户返回“生活大爆炸第”的各分类搜索选项，如“第七季”、“第六季”、“第五季”等，每个分类搜索选项分别对应有 多个搜索建议标签，从而用户设备1呈现这些分类搜索选项的选项卡，并进一步呈现当前搜索选项“第七季”所对应的各搜索建议标签，如21、20、19等，这些搜索建议标签分别代表生活大爆炸第七季中的第X集节目。
优选地，在上述如图5(a)、图5(b)和图5(c)所示的向用户提供分类搜索选项的场景中，当用户设备1检测到用户在其触摸屏屏幕上的下拉操作时，同样可从网络设备2获取更新后的至少一个分类搜索选项下的搜索建议项，并呈现给用户。
优选地，如图5(c)所示，网络设备2向用户返回的搜索建议，不仅包括上述分类搜索选项及其对应的搜索建议标签，还包括其他通常的搜索建议序列，前者通常呈现在搜索建议列表的上部区域，如搜索建议列表的首位，后者通常呈现在搜索建议列表中前者的下方。此外，尽管图5(a)和图5(b)中并未示出，但本领域技术人员应能理解，图5(a)和图5(b)同样可采用与图5(c)类似的方式，在搜索建议列表的上部区域呈现分类搜索选项及其对应的搜索建议标签，在下部区域其他通常的其他通常的搜索建议序列。
优选地，在用户输入搜索序列之前，用户设备1向用户呈现搜索框或用户激活该搜索框时，网络设备2向用户提供预设的分类搜索选项，其中至少一个预设的分类搜索选项对应有一个或多个搜索建议项，从而用户设备1将该(等)预设的分类搜索选项呈现给用户。
具体地，如图6(a)所示，预设的分类搜索选项包括“历史记录”、“热门搜索”、“热门服务”，其中当前呈现的分类搜索选项为“历史记录”，该分类搜索选项对应有多个搜索建议项，如“百度视频”、“刘诗诗”、“刘德华”等。
当用户选择其它分类搜索选项时，例如，当用户选择分类搜索选项“热门搜索”，如图6(b)所示，用户设备切换至该“热门搜索”的选项卡，并呈现其所对应的搜索建议项，如“外国小伙”、“香港失踪女婴”等。
优选地，在上述如图6(a)和图6(b)所示的向用户提供预定 的分类搜索选项的场景中，当用户设备1检测到用户在其触摸屏屏幕上的下拉操作时，同样可从网络设备2获取更新后的其中至少一个分类搜索选项下的搜索建议项，并呈现给用户。
图7(a)和图7(b)为根据本发明再一个优选实施例的由搜索序列所对应的纠错搜索序列确定扩展搜索项的示意图。
如图7(a)所示，用户在搜索框中输入“刘试试”，网络设备2查询到与该搜索序列相对应的纠错搜索序列“刘诗诗”，并将该纠错搜索序列提供给用户设备1，从而用户设备1向用户呈现及提示该纠错搜索序列，如询问用户您是不是要搜“刘诗诗”。
当用户选择纠错搜索序列时，用户设备1将纠错搜索序列作为用户已输入的搜索序列提交给网络设备2来获得相应的扩展搜索项，如图7(b)所示。
本领域技术人员应能理解，当网络设备2获得与搜索序列“刘试试”相对应的纠错搜索序列“刘诗诗”后，网络设备2也可直接根据该纠错搜索序列来为用户提供相应的扩展搜索项。
优选地，用户设备1还可根据用户输入的搜索序列对搜索框的输入窗口的占用信息，动态调整搜索框的窗口显示属性，以在当前输入窗口始终呈现该搜索序列的全部字符。
在此，占用信息可以以搜索序列的字符数来确定，也可以搜索序列所占用的面积来确定。
在此，窗口显示属性可以以窗口显示的长宽来确定，也可以以窗口显示的面积来确定。
用户设备可根据用户输入的搜索序列对搜索框的输入窗口的占用信息，动态调整搜索框的窗口显示属性，以在当前输入窗口始终呈现该搜索序列的全部字符。
如图8(a)所示，当用户输入的搜索序列的长度(字符数)未超过搜索框一行所能容纳的预定长度阈值时，搜索框的窗口显示属性维持当前状态；当超过时，如图8(b)所示，用户设备1调高搜索框的窗口显示高度，以在当前输入窗口始终呈现该搜索序列的全部字符。
图9为根据本发明另一个方面的装置示意图，示出交互来为用户提供扩展搜索项的用户设备1和网络设备2的各装置。
如图9所示，扩展呈现装置10装置于用户设备1中，扩展呈现装置10包括装置11-13；扩展提供装置20装置于网络设备2中，扩展提供装置20包括装置21-22。
具体地，用户在用户设备1呈现的搜索框中输入搜索序列；用户设备的装置11将用户在该搜索框中已输入的搜索序列发送至网络设备2(为便于区分，以下将装置11称为发送装置11)；网络设备2的装置21根据该搜索序列，获取与该搜索序列相对应的扩展搜索项，包括但不限于扩展搜索标签和分类搜索选项中至少之一(为便于区分，以下将装置21称为获取装置21)；装置22将所获得的扩展搜索项提供给用户设备1(为便于区分，以下将装置22称为提供装置22)，相应地，用户设备1的装置12接收该(等)扩展搜索项(为便于区分，以下将装置12称为接收装置12)；装置13向用户呈现该(等)扩展搜索项，以供用户选择(为便于区分，以下将装置13称为呈现装置13)。
具体地，用户在用户设备呈现的搜索框中输入搜索序列。
在此，搜索框供用户输入搜索序列以进行搜索使用。搜索框可在多种场景中被提供，这些场景包括但不限于页面、各种浏览器的工具栏以及各种应用程序的用户界面，例如，搜索框可以在各种搜索引擎的主页、各种页面的导航区域或者各种导航页中呈现给用户。本发明在此不做限制。
在上述场景中，搜索框被呈现给用户，从而用户可激活搜索框来输入搜索序列，例如，用户将鼠标光标移入搜索框并点击鼠标，此时搜索框被激活，用户可在其内输入搜索序列。
在此，搜索序列意指用户在搜索框中输入的用于搜索的字符串，其具体包括但不限于关键词、语句以及其他字符等。
需要说明的是，本领域技术人员应能理解，对用户输入搜索序列需做广义理解，即用户不仅可以直接以文字形式输入搜索序列，还可 以其他形式进行输入，如用户输入一段语音，发送装置11或用户设备1中的其他装置可通过语音识别来获取该段语音所对应的搜索序列。
用户设备1的发送装置11将用户在搜索框中已输入的搜索序列发送至网络设备2，相应地，网络设备2接收该搜索序列。在此，发送装置11与网络设备2之间可采用任何预定的通信方式进行数据传输，例如发送装置11可通过HTTP或HTTPS通信协议向网络设备2发送用户已输入的搜索序列。本发明在此不做限制。
随后，网络设备2的获取装置21根据该搜索序列，获取与该搜索序列相对应的一个或多个扩展搜索项。
其中，扩展搜索项是与搜索序列相对应的扩展搜索建议，其包括但不限于扩展搜索标签和/或分类搜索选项。
扩展搜索标签
在此，扩展搜索标签对应于搜索序列的特定属性。
特定属性可以概括搜索序列某一方面的特征。例如，搜索序列“新浪”、“搜狐”、“网易”均为网站的名称，这些搜索序列具有地址属性。再如，搜索序列“刘诗诗”、“杨幂”、“吴奇隆”均为人名，这些搜索序列具有人物属性。又如，搜索序列“爸爸去哪儿2”、“陈升”、“催眠大师”均为当前热点，这些搜索序列具有热点属性。
扩展搜索标签是对应于搜索序列的特定属性的搜索建议，但其与通常的搜索建议在搜索框的下拉框中分行逐条呈现的方式不同，其是以标签的形式呈现给用户。例如，当搜索序列具有地址属性时，如搜索序列“新浪”，用户可能具有寻址需求，因此，获取装置21获取的扩展搜索标签包括但不限于网站一级或二级栏目的名称，如“首页”、“微博”等。再如，当搜索序列具有人物属性时，如搜索序列“刘诗诗”，用户可能具有了解该人物相关信息的需求，因此，获取装置21获取的扩展搜索标签包括但不限于围绕该人物的各应用领域的名称，如“百科”、“贴吧”、“图片”等。又如，当搜索序列具 有热点属性时，如搜索序列“爸爸去哪儿2”，用户可能具有了解当前热点的需求，获取装置21获取的扩展搜索标签包括但不限于由以该搜索序列为主题的热门搜索序列中获得的扩展序列，如“名单”、“什么时候播出”等。
根据关键词-属性-扩展搜索标签的对应关系，网络设备2可预先建立搜索建议库。以下将针对每种具体属性来举例描述如何获得其对应的扩展搜索标签。
1)地址属性
例如，网络设备2可先查询一预定词库来获得具有地址属性的关键词，如各网站的名称，具体诸如“百度”、“新浪”、“搜狐”等；据此，网络设备2可抓取其中每个网站的导航信息，从而获得相应网站的各级栏目的名称，并将每个网站中各级栏目的名称作为与其网站名称相对应的扩展搜索标签。网络设备2存储各关键词(如“新浪”)-属性(如“地址”)-扩展搜索标签(如“首页”、“微博”)的对应关系，从而建立搜索建议库，并可按照前述方式来定期或基于其他触发条件更新该搜索建议库。
可替代地，网络设备2可直接查询搜索引擎的搜索信息库，该搜索信息库中存储有一倒排索引表，其中记录了关键词及其对应的页面，每个关键词的属性被标注且页面之间的链接关系也被标注。因此，通过查询该索引信息库，网络设备2可获得具有地址属性的关键词及其对应页面的链接页面，进而根据网址的正则表达式分析这些链接页面的网址，以获得相应网站中的各级栏目及其名称，从而建立搜索建议库。优选地，网络设备2也可查询上述预定词库来获得具有地址属性的关键词，如各网站的名称，并根据这些关键词查询索引信息库来获得其中每个所对应的各级栏目名称，从而建立搜索建议库。
2)人物属性
例如，网络设备2同样可先查询一预定词库来获得具有人物属性的关键词，如各种人名、社团名，具体前者如“刘诗诗”，后者如“maroon5”；随后，网络设备2可通过海量数据挖掘，如对搜索引擎的搜索 日志进行数据挖掘，统计大量用户搜索前述各具有人物属性的关键词时所访问的搜索结果，并对这些搜索结果进行分类/聚类，将所获得的类别作为具有人物属性的关键词所对应的扩展搜索标签。其中，网络设备2可基于每个具有人物属性的关键词，对用户访问的搜索结果进行分类/聚类以获得多个分组，并将所获得分组所对应的应用领域作为关键词所对应的扩展搜索标签；或者，网络设备2可基于所有具有人物属性的关键词，对用户访问的全部搜索结果进行分类/聚类以获得多个分组，并将所获得分组所对应的应用领域作为具有人物属性的关键词所对应的扩展搜索标签。可替代地，网络设备2可按照预定的应用领域划分，统计用户访问的搜索结果中属于各应用领域的搜索结果的数量，将其中对应搜索结果的数量超过预定阈值的应用领域作为与相应具有人物属性的关键词或所有具有人物属性的关键词相对应的扩展搜索标签。
3)热点属性
例如，网络设备2可从搜索引擎的搜索日志获取当前的一段预定时间内用户搜索量超过预定阈值的搜索序列，即热门搜索序列，随后，网络设备2可对这些热门搜索序列进行切词，以获得其中的热门关键词、与其中每个热门关键词对应的多个热门搜索序列，以及其中每个热门搜索序列中的其他关键词和/或片段，据此，网络设备2将这些热门关键词作为具有热点属性的关键词，将其对应的热门搜索序列中的其他关键词和/或片段作为与该具有热点属性的关键词相对应的扩展搜索标签，从而建立搜索建议库。
在此，需要说明的是，上述用于查询具有地址属性的预定词库和用于查询具有人物属性的预定词库，可以是两个相互独立的词库，也可以是一个词库，其中包括多个关键词且每个关键词具有多种属性。并且，上述基于各种属性所建立的搜索建议库也可以是相互独立，或者部分或全部集成在一起的。
还需要说明的是，尽管本发明在此仅列举了搜索序列的3种属性及其分别对应的扩展搜索标签，然而本领域技术人员应能理解，这是 列举式的，而非穷尽式的，故仅用于解释说明本发明之目的，而不应被理解为对本发明的任何限制。根据具体应用的需要，搜索序列的其他属性可以被使用并获得对应的扩展搜索标签，这些其他属性及其各自对应的扩展搜索标签的确定方式与上述3种属性及其各自对应扩展搜索标签的确定方式并无实质不同，因此应被包含于本发明的专利保护范围之内。
上述搜索建议库建立之后，当接收到用户已输入的搜索序列后，获取装置21可确定该搜索序列的一个或多个特定属性；接着，获取装置21根据其中至少一个特定属性，获得相应的扩展搜索标签。
其中，获取装置21例如可查询上述搜索建议库中来获取搜索序列的特定属性，进而根据搜索序列的特定属性，查询依照上述各方式建立的搜索建议库，来获得相应的扩展搜索标签。其中，当搜索序列具有多个特定属性时，获取装置21可以仅基于其中一个特定属性来获得与该特定属性相对应的扩展搜索标签，也可以基于其中的部分或全部特定属性来获得扩展搜索标签。
分类搜索选项
每个分类搜索选项对应有一个或多个搜索建议项，多个分类搜索选项以选项卡形式被呈现给用户时，用户可通过选择不同的选项卡来在各分类搜索选项中进行切换，并进一步浏览切换后的分类搜索选项所对应的搜索建议项。在此，搜索建议项可以通常的列表形式或标签形式在其对应分类搜索选项的选项卡中呈现给用户。
在此，获取装置21例如可查询一已有搜索建议库来获得搜索序列的搜索建议序列，并对所获得的搜索建议序列进行分类，从而获得相应的多个分类搜索选项以及至少一个分类搜索选项所对应的搜索建议序列。这一过程可以由获取装置21在网络设备2接收到用户的搜索序列时实时进行，也可以由网络设备2针对特定的关键词按照前述过程为其建立包括关键词-分类搜索选项-搜索建议项的对应关系的搜索建议库，以在后续当用户的搜索序列包括这些关键词时由获取装 置21查询该搜索建议库为用户提供相应的分类搜索选项及其分别对应的搜索建议项。在此，这些特定的关键词例如可以为影视作品的名称。
其中，当搜索建议项以通常的列表形式呈现给用户时，相应分类搜索选项下的搜索建议序列可直接作为搜索建议项提供给用户。例如，对于用户的搜索序列“big bang”，获取装置21确定其对应的分类搜索选项包括美剧和韩国乐队且每个分类搜索选项下还对应有多个搜索建议序列，如分类搜索选项“美剧”下对应有“big bang第一季”、“big bang第二季”等，分类搜索选项“韩国乐队”下对应有“big bang主唱”、“big bang MV”等。
当搜索建议项以标签形式呈现给用户时，获取装置21可以对相应分类搜索选项下的搜索建议序列去重，即去掉搜索建议序列中与搜索序列及其对应分类搜索选项的重复部分，以减少在标签中呈现的内容，同时更突出重点地向用户提供搜索建议。例如，对于用户的搜索序列“疑犯追踪”，获取装置21确定其对应的分类搜索选项包括第一季、第二季和第三季且每个分类搜索选项下还对应有一个或多个搜索建议序列，如分类搜索选项“第一季”包括“疑犯追踪第一季第一集”、“疑犯追踪第一季第二集”等，去重后每个分类搜索选项下对应的搜索建议标签可以仅呈现“第一集”、“第二集”等。进一步地，标签中呈现的内容还可通过同义替换来进一步减少和突出，如将标签“第一集”替换为标签“1”。
在此，分类搜索选项在一些情形下也可以不对应有搜索建议项，例如，当前big bang第八季尚未发布，但其预告片已发布或第八季已确定要发布，获取装置21可以获取分类搜索选项“big bang第八季”，但其下可以不对应任何搜索建议项。或者，获取装置21将“预告片”作为分类搜索选项“big bang第八季”下的搜索建议项。
优选地，一个分类搜索选项下还可以进一步包括次级分类搜索选项，每个次级分类搜索选项对应有一个或多个搜索建议项。
例如，搜索序列“big bang”对应的分类搜索选项“美剧”还可 以进一步细分为次级分类搜索选项第一季、第二季、第三季等，分类搜索选项“韩国乐队”可以包括次级分类搜索选项音乐、视频、新闻等。在每个次级分类搜索选项的邻近区域，如其右侧，可提供有展开/收起功能项，如“+”、“>”，用户选择该功能项后，相应次级分类搜索选项下的一个或多个搜索建议项可以用户设备1上被展开或收起。
综上所述，获取装置21可以根据搜索序列，获取与该搜索序列相对应的扩展搜索标签和/或分类搜索选项。
优选地，获取装置21或网络设备2中的其他装置还可以获得与搜索序列相对应的一个或多个通常的搜索建议序列，并在随后的步骤中将其与按照前述方式获得的扩展搜索项一并提供给用户设备1。例如，当在用户设备1中呈现给用户时，扩展搜索项可以在搜索建议区域的显著位置呈现，如搜索建议列表的上部区域，其他的通常搜索建议可在该搜索建议列表中扩展搜索项的下方区域呈现给用户。
随后，提供装置22将所获得的扩展搜索项提供给用户的用户设备1，相应地，用户设备1的接收装置12接收网络设备2基于用户输入的搜索序列提供的扩展搜索项。随后，用户设备1的呈现装置13向用户呈现扩展搜索项。
之后，当用户选择扩展搜索项时，更具体地，当用户选择扩展搜索标签、或分类搜索选项、或次级分类搜索选项、或分类搜索选项对应的搜索建议项时，网络设备可以根据搜索序列以及用户所选的扩展搜索项来进行搜索，并提供对应的搜索结果页面。
而且，在用户选择扩展搜索项后，网络设备2返回对应的搜索结果页，该搜索结果页中仍可包括搜索框；如果该用户再次激活该搜索框，网络设备2的获取装置21可将用户之前输入的搜索序列及其选择的扩展搜索项作为用户已输入的搜索序列，并再次为用户提供相应的扩展搜索项。例如，当搜索结果页的搜索框中包括用户之前输入的 搜索序列及其选择的扩展搜索项时，用户设备1的发送装置11可将用户之前输入的搜索序列及其选择的扩展搜索项作为用户已输入的搜索序列提交至网络设备2来获得新扩展搜索项。
可替代地，如果用户选择的扩展搜索项指向一特定信息，网络设备2中的一信息获取装置(未示出)可直接向该用户返回该特定信息。其中，特定信息包括但不限于：页面、视频、音频、文档等。
扩展搜索项中可以包括特定信息的标识信息，该标识信息用于指向特定信息，如特定信息的各种名称、网页的URL，视频的播放地址等；当用户选择这样的扩展搜索项时，用户设备1将向网络设备2发送信息获取请求，该信息获取请求中至少包括该特定信息的标识信息；接着，网络设备2的信息获取装置根据该标识信息获取特定信息并将其返回给用户。
扩展搜索项中也可以包括特定信息的指向链接，如网页的URL，视频的播放地址等；当用户选择扩展搜索项时，用户设备1根据该指向链接来获取相应的特定信息。
需要注意的是，本发明可在软件和/或软件与硬件的组合体中被实施，例如，可采用专用集成电路(ASIC)、通用目的计算机或任何其他类似硬件设备来实现。在一个实施例中，本发明的软件程序可以通过处理器执行以实现上文所述步骤或功能。同样地，本发明的软件程序(包括相关的数据结构)可以被存储到计算机可读记录介质中，例如，RAM存储器，磁或光驱动器或软磁盘及类似设备。另外，本发明的一些步骤或功能可采用硬件来实现，例如，作为与处理器配合从而执行各个步骤或功能的电路。
另外，本发明的一部分可被应用为计算机程序产品，例如计算机程序指令，当其被计算机执行时，通过该计算机的操作，可以调用或提供根据本发明的方法和/或技术方案。而调用本发明的方法的程序指令，可能被存储在固定的或可移动的记录介质中，和/或通过广播或其他信号承载媒体中的数据流而被传输，和/或被存储在根据所述程序指 令运行的计算机设备的工作存储器中。在此，根据本发明的一个实施例包括一个装置，该装置包括用于存储计算机程序指令的存储器和用于执行程序指令的处理器，其中，当该计算机程序指令被该处理器执行时，触发该装置运行基于前述根据本发明的多个实施例的方法和/或技术方案。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化涵括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。此外，显然“包括”一词不排除其他单元或步骤，单数不排除复数。系统权利要求中陈述的多个单元或装置也可以由一个单元或装置通过软件或者硬件来实现。第一，第二等词语用来表示名称，而并不表示任何特定的顺序。

Claims (23)

  1. 一种在网络设备中提供扩展搜索项的方法，其中，该方法包括：
    a根据用户在搜索框中已输入的搜索序列，获取与所述搜索序列相对应的扩展搜索项，所述扩展搜索项包括但不限于以下至少任一项：
    -扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
    -分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
    b将所述扩展搜索项提供给所述用户。
  2. 根据权利要求1所述的方法，其中，所述扩展搜索标签基于以下步骤获得：
    -确定所述搜索序列的一个或多个特定属性；
    -根据所述特定属性中至少一个，获得相对应的扩展搜索标签。
  3. 根据权利要求1或2所述的方法，其中，所述分类搜索选项基于以下步骤获得：
    -根据所述搜索序列，查询预设的搜索建议库，以获得与所述搜索序列相对应的一个或多个分类搜索选项，其中至少一个分类搜索选项对应有一个或多个搜索建议项。
  4. 根据权利要求1至3中任一项所述的方法，其中，该方法还包括：
    -在用户输入搜索序列之前，向用户提供预设的分类搜索选项，其中至少一个预设的分类搜索选项对应有一个或多个搜索建议项。
  5. 根据权利要求1至4中任一项所述的方法，其中，所述扩展搜索项进一步由所述搜索序列所对应的纠错搜索序列确定。
  6. 根据权利要求1至5中任一项所述的方法，其中，该方法还包括：
    -如果所述用户选择的扩展搜索项指向一特定信息，直接向所述用 户返回所述特定信息。
  7. 根据权利要求1至5中任一项所述的方法，其中，该方法还包括：
    -在所述用户选择所述扩展搜索项后，如果所述用户再次激活搜索框，将所述搜索序列与所述扩展搜索项作为所述已输入的搜索序列，重复所述步骤a-b。
  8. 一种在用户设备中呈现扩展搜索项的方法，其中，该方法包括：
    -将用户在搜索框中已输入的搜索序列发送至网络设备；
    -自所述网络设备接收与所述搜索序列相对应的扩展搜索项，其中，所述扩展搜索项包括但不限于以下至少任一项：
    -扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
    -分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
    -向所述用户呈现所述扩展搜索项。
  9. 根据权利要求8所述的方法，其中，该方法还包括：
    -根据用户输入的搜索序列对搜索框的输入窗口的占用信息，动态调整搜索框的窗口显示属性，以在当前输入窗口始终呈现所述搜索序列的全部字符。
  10. 根据权利要求8或9所述的方法，其中，该方法还包括：
    -根据所述用户的下拉操作，从所述网络设备获取更新后的扩展搜索项。
  11. 一种在网络设备中提供扩展搜索项的装置，其中，该装置包括：
    用于根据用户在搜索框中已输入的搜索序列，获取与所述搜索序列相对应的扩展搜索项的装置，所述扩展搜索项包括但不限于以下至少任一项：
    -扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列 的特定属性；
    -分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
    用于将所述扩展搜索项提供给所述用户的装置。
  12. 根据权利要求11所述的装置，其中，所述扩展搜索标签基于以下操作获得：
    -确定所述搜索序列的一个或多个特定属性；
    -根据所述特定属性中至少一个，获得相对应的扩展搜索标签。
  13. 根据权利要求11或12所述的装置，其中，所述分类搜索选项基于以下操作获得：
    -根据所述搜索序列，查询预设的搜索建议库，以获得与所述搜索序列相对应的一个或多个分类搜索选项，其中至少一个分类搜索选项对应有一个或多个搜索建议项。
  14. 根据权利要求11至13中任一项所述的装置，其中，该装置还包括：
    用于在用户输入搜索序列之前，向用户提供预设的分类搜索选项的装置，其中至少一个预设的分类搜索选项对应有一个或多个搜索建议项。
  15. 根据权利要求11至14中任一项所述的装置，其中，所述扩展搜索项进一步由所述搜索序列所对应的纠错搜索序列确定。
  16. 根据权利要求11至15中任一项所述的装置，其中，该装置还包括：
    用于如果所述用户选择的扩展搜索项指向一特定信息，直接向所述用户返回所述特定信息的装置。
  17. 根据权利要求11至15中任一项所述的装置，其中，该装置还包括：
    用于在所述用户选择所述扩展搜索项后，如果所述用户再次激活搜索框，将所述搜索序列与所述扩展搜索项作为所述已输入的搜索序列传递至所述用于获取与所述搜索序列相对应的扩展搜索项的装置的装 置。
  18. 一种在用户设备中呈现扩展搜索项的装置，其中，该装置包括：
    用于将用户在搜索框中已输入的搜索序列发送至网络设备的装置；
    用于自所述网络设备接收与所述搜索序列相对应的扩展搜索项的装置，其中，所述扩展搜索项包括但不限于以下至少任一项：
    -扩展搜索标签，其中，所述扩展搜索标签对应于所述搜索序列的特定属性；
    -分类搜索选项，其中，一个分类搜索选项对应有一个或多个搜索建议项；
    用于向所述用户呈现所述扩展搜索项的装置。
  19. 根据权利要求18所述的装置，其中，该装置还包括：
    用于根据用户输入的搜索序列对搜索框的输入窗口的占用信息，动态调整搜索框的窗口显示属性，以在当前输入窗口始终呈现所述搜索序列的全部字符的装置。
  20. 根据权利要求18或19所述的装置，其中，该装置还包括：
    用于根据所述用户的下拉操作，从所述网络设备获取更新后的扩展搜索项的装置。
  21. 一种计算机可读存储介质，所述计算机可读存储介质包括计算机指令，当所述计算机指令被执行时，如权利要求1至10中任一项所述的方法被执行。
  22. 一种计算机程序产品，当所述计算机程序产品被执行时，如权利要求1至10中任一项所述的方法被执行。
  23. 一种计算机设备，所述计算机设备包括存储器和处理器，所述存储器中存储有计算机指令，所述处理器被配置来通过执行所述计算机指令以执行如权利要求1至10中任一项所述的方法。
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