CN101998692A - Method and device for establishing index and carrying out mixed searching on mobile terminal - Google Patents
Method and device for establishing index and carrying out mixed searching on mobile terminal Download PDFInfo
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- CN101998692A CN101998692A CN2009101684587A CN200910168458A CN101998692A CN 101998692 A CN101998692 A CN 101998692A CN 2009101684587 A CN2009101684587 A CN 2009101684587A CN 200910168458 A CN200910168458 A CN 200910168458A CN 101998692 A CN101998692 A CN 101998692A
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- 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
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- G—PHYSICS
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- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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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
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2457—Query processing with adaptation to user needs
- G06F16/24575—Query processing with adaptation to user needs using context
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Abstract
The invention provides a method and device for establishing the index and carrying out mixed searching on a mobile terminal. The method comprises the following steps of: establishing the local index for files containing text information on the mobile terminal; judging whether the user searching type is local searching or network searching; searching the user searched content on the basis of the built local index if the user searching type is the local searching; and searching the user searched content through a network searching engine if the user searching type is the network searching. Through the invention, the local information or the network information of the mobile terminal can be respectively searched on the same user interface, and meanwhile, the time of users for looking for information of a certain file in the mobile terminal can be shortened.
Description
Technical field
The present invention relates to information retrieval field, particularly relate to a kind of method and device of on portable terminal, setting up index and carrying out Hybrid Search based on portable terminal.
Background technology
Along with the continuous development of communication industry, the usage frequency of various portable terminals and range all have bigger lifting.And follow the decline of hardware device price, various powerful portable terminals progressively enter common people family, not only become one of main tool of the daily interchange of people, but also are the essential items of amusement and leisure or office.
The disposal ability of portable terminal and capacity are all growing with each passing day, and also support peripheral hardwares such as more jumbo storage card simultaneously.The user more and more tends to various texts, multi-medium data are left in the portable terminal; In addition, modern portable terminal major part all support the user with content stores such as note, multimedia message, contact person, mails in the memory space except that the SIM space, the user can be left the information of magnanimity on the portable terminal and do not needed to delete like this, reaches permanent available purpose.
Just because of the lifting of mobile terminal data memory capacity, promptly brought user experience more next to the shin, but also made simultaneously the user search relevant information become relative complex and difficulty to the user.Therefore, on portable terminal, carry out WDS and will greatly improve the speed that the user searches local information.
Obtain swift and violent development based on the search engine technique of the Internet current, can help the user in unlimited Internet resources, to find required information.And in network, find the information needed except helping the user based on the desktop searching tool of PC, can also help the user easily to search information needed apace from the huge data of PC, this has become each large search service provider's new development direction.
Though the disposal ability of intelligent mobile terminal constantly promotes, the WDS technology that its inherent characteristics makes existing network search engines technology and PC be adopted is difficult to be applied directly in the Embedded portable terminal.Because the battery capacity of portable terminal is limited, can not move the background program of certain special power consumption for a long time; The central processing unit disposal ability of portable terminal is limited, limits to some extent for the use of complicated especially Chinese word segmentation program; Portable terminal generally is single window scheme, and the user can't be as see a plurality of windows simultaneously on PC.
Therefore, design the same search user interface of a kind of employing, and the user can specify search-type, such as being the search local information or the Hybrid Search method of search network information, and energy consumption is low, good to the Chinese search support, improve the experience of mobile phone users.
Summary of the invention
Can not on same search engine user interface, search for problems such as the local information of portable terminal or the network information respectively at present portable terminal and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of and sets up index and carry out the method for Hybrid Search based on it on portable terminal, to address the above problem.
The present invention proposes a kind of method of on portable terminal, setting up index and carrying out Hybrid Search, may further comprise the steps: the file that comprises text message on the portable terminal is set up local index; Judge that the user search type is local search or web search; And if the user search type is local search, then the content of user search is searched for based on the local index of being set up, if the user search type is a web search, then come the content of user search is searched for by network search engines.
Wherein, come the content of user search searched for specifically by network search engines and comprise: by calling network search engines, search command is sent to network search engines, and receive Search Results from described network search engines.
Wherein, the file that comprises text message on to portable terminal is set up user's input window, thereby is imported to determine the range of information of needs local index according to the user before setting up local index.
Wherein, the file that comprises text message on to portable terminal is set up in the step of local index, also comprise the analyzing stored step, in this step, the text message in the file is analyzed, and text message is stored in a plain text document or the XML document structure.
Wherein, the file that comprises text message on to portable terminal is set up in the step of local index, the step that also comprises the Keyword List of setting up local search adopts in this step and based on the automatic segmentation mode of two-dimensional grammar the text message in the described file is analyzed.
Wherein, comprise corresponding section of the classification of a plurality of and described file that comprises text message in the index file bibliographic structure of described local index, be used for the described file that comprises text message is classified.
Wherein, the file that comprises text message on to portable terminal is set up in the step of local index, also comprise the step of dividing index file, four index files in this step, described index file have been divided into, in four index files that mark off: first index file has been stored all domain names that relevant documentation comprises in described section, second index file has been preserved all in described section, the 3rd index file has been preserved the frequency that each described item occurs in document, the 4th index file has been listed the position of each in the document.
The invention allows for a kind of device of setting up index and carry out Hybrid Search on portable terminal, comprising: the unit set up in index, is used for the file that comprises text message on the portable terminal is set up local index; Judging unit is used to judge that the user search type is local search or web search; And search unit, be used for when the user search type is local search, the content of user search being searched for based on the local index of being set up, when being web search, the user search type comes the content of user search is searched for by network search engines.
By the present invention, can on the user interface of same search engine, search for the local information or the network information of portable terminal respectively, no longer need to open a plurality of different search utilities.Simultaneously the user again need not certain fileinfo costs a lot of money the time in the portable terminal in order to search.Improved the experience of mobile phone users.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the Hybrid Search of the preferred embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the local full-text index of foundation of the preferred embodiment of the present invention;
Fig. 3 is the index file bibliographic structure of the preferred embodiment of the present invention;
Fig. 4 is the indexed file structure of the preferred embodiment of the present invention;
Fig. 5 is the device of the preferred embodiment of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
The present invention proposes a kind of Hybrid Search method of portable terminal, may further comprise the steps substantially:
(1) search engine on the portable terminal is analyzed other various files that comprise text message such as the text on the mobile terminal storage medium, note, contact person, mail, picture, video, audio frequency, and it is set up full-text index.Analyze and build index
(2) local search of portable terminal: the user interface of search engine is accepted user's query requests, reads the pairing full-text index of query requests, and the Query Result of the searching requirement of being close to the users is most fed back to the user.Local search and feedback
(3) web search of portable terminal: the user interface of search engine is accepted user's query requests, according to user-selected search engine, call the inquiry API of corresponding network search engines, query requests is submitted to corresponding network search engines, and Query Result is fed back to the user.Select network search engines on request, call API, feedback.
Fig. 1 is the schematic flow sheet of the Hybrid Search of the preferred embodiment of the present invention.In conjunction with shown in Figure 1, the flow process of Hybrid Search may further comprise the steps:
Step S101, search engine trigger search events according to user's selection.
Step S102 according to user's selection, judges that whether search-type is local search, if search-type is a local search, enters step 103 so; Otherwise, enter step 105.
Step S103 if search-type is a local search, will inquire about in the local full-text index of having set up.Adopted the binary Words partition system CJKAnalyzer among the Sandbox of Lucene in the present embodiment, concrete grammar is middle this bag of loading CJKAnalyzer at Lucene, and utilize the Object oriented programming method, the analyzer example of newly-built this class of CJKAnalyzer, and use this analyzer example to handle participle to get final product.The index file that the binary Words partition system is produced is littler than the index file that one-gram word system produced, and search efficiency is better.
Step S104 sorts Query Result, and classifies according to type by matching degree and access times, be shown to the user in the mode of tabulating, and finishes.
Step S105 if search-type is a web search, will send to network search engines with querying command by calling the API of network search engines, and wait for that the Query Result of network search engines returns.
Step S106, network search engines returns Query Result, then Query Result is fed back to the user with the default display mode of search engine, finishes.
Wherein, can judge further after step S104 whether search-type is web search, if then enter step S105.
Fig. 2 is the schematic flow sheet of the local full-text index of foundation of the preferred embodiment of the present invention.In conjunction with shown in Figure 2, the method for setting up local file complete edition index specifically may further comprise the steps:
Step S201 sets up the local file metamessage.Comprise that file is set up or the timestamp of modification and file type etc.
Step S202 analyzes the text message of local file, comprises the text message in filename, the file, and the information such as text annotation of multimedia file.And with these information and storage in a plain text document or XML document structure, so that be embedded into neatly in the program of mobile device.Because the document portability of these two kinds of structures is best, and dealt with most convenient by Lucene.
Step S204 carries out the participle operation to the Chinese word in the text message, has adopted the automatic segmentation mode based on two-dimensional grammar in the present invention.The slit mode of traditional with the word is unit has very big drawback.Such as inquiry " Shanghai ", the word that contains " sea " so also can mate, and this is irrational.Therefore the present invention has adopted the automatic segmentation mode based on two-dimensional grammar.The advantage of automatic segmentation mode is to realize simply, and no word list maintenance cost is fit to embedded running environment very much.
Step S205 sets up full-text index, and the index process is stored file sub-path and 2 fields of content, and content is carried out full-text index for reading filename.Content comprises a plurality of fields, and at the renewing of different field attribute and data output, field is selected different index rule and storage rule, such as need carrying out the operation of segmenting word to title, and the date is only stored and does not carry out the segmenting word operation.
Before step 201, can need determine the range of information of index further according to user's input.Can reduce the unnecessary index time like this, increase effective searching times, and protect the private information of user on portable terminal not searched in some cases.And, set up the file metamessage according to determined range of information.Comprise that file is set up or the timestamp of modification and file type etc.
Fig. 3 is the index file bibliographic structure of the preferred embodiment of the present invention.As Fig. 3, the index file bibliographic structure of the preferred embodiment of the present invention comprises:
The access limit of 301 index files;
The founder of 302 index files;
The last reviser of 303 index files;
304 index file sizes, unit is a byte;
The modification date that 305 index files are last;
The modification time that 306 index files are last;
The title of 307 index files.
Index is formed by one or more sections.And each section is made up of a plurality of index files.The index file that belongs to same section has identical prefix name and different suffix names.The index file catalogue is made up of 2 sections in Fig. 3, be respectively _ movie and _ email.
Fig. 4 is according to indexed file structure schematic diagram of the present invention.Special in the present embodiment the local search characteristic of embedded device and specific Search Results, the content in 4 index files has been carried out certain customization.
Wherein the .fnm file storage all domain names that relevant document comprises in the section.Wherein each territory all was labeled, and reflected its whether indexed mistake with this.The territory of being adopted in the present embodiment comprises: whether modification time was modified file title, classification under the file path, file, information such as file content.
.tis file has been preserved all (tuple that is made of domain name and value), i.e. the entries behind the participle in the section.Each clauses and subclauses has comprised its document frequency, and promptly the pairing clauses and subclauses of Value occurred in what documents.Here be that " in emerging " is example with Value, expression " in emerging " occurred in 5 pieces of documents.
.frq file has been preserved each frequency of occurrences in document.Here be example with " in emerging " in the .tis file, in conjunction with the .frq file, expression " in emerging " appears at " 3G is at Chinese .txt ", " Sina.html ", " in emerging advertisement information ", " coming new from childhood .txt " respectively, in " lyrics .txt of XX " these 5 files; And " in emerging " appearred in " 3G is at Chinese .txt " 12 times, in " Sina.html ", occurred 15 times " in emerging ", and the like.
.prx file has been listed the position of each in the document, and is presented in the search result list number of times after being chosen by the user.Here be example with " in emerging ", expression " in emerging " in the participle tabulation after dividing with the binary participle, comes the 3rd and the 8th in " coming new from childhood .txt ".
In the present embodiment, adopted 4 sub-index files to store index information, such granularity division helps the maximization of performance and minimizing of the utilization of resources.For example, indexed if certain territory does not have, can from inquiry, remove entire domain based on the index marker in the .fnm file fully soon by operation.And if item does not occur itself, then do not need to search positional information.
By the present invention, can on the user interface of same search engine, search for the local information or the network information of portable terminal respectively, no longer need to open a plurality of different search utilities.Simultaneously the user again need not certain fileinfo costs a lot of money the time in the portable terminal in order to search.Improved the experience of mobile phone users.
In addition, with reference to Fig. 5, the invention allows for a kind of device of setting up index and carry out Hybrid Search on portable terminal, comprising: the unit set up in index, is used for the file that comprises text message on the portable terminal is set up local index; Judging unit is used to judge that the user search type is local search or web search; And search unit, be used for when the user search type is local search, the content of user search being searched for based on the local index of being set up, when being web search, the user search type comes the content of user search is searched for by network search engines.
At first, index is set up the unit file that comprises text message on the portable terminal is set up local index.
The first, index is set up the unit and is set up the local file metamessage, comprises that file is set up or the timestamp of modification and file type etc.
The second, index is set up the unit text message of local file is analyzed, and comprises the text message in filename, the file, and the information such as text annotation of multimedia file.And with these information and storage in a plain text document or XML document structure, so that be embedded into neatly in the program of mobile device.Because the document portability of these two kinds of structures is best, and dealt with most convenient by Lucene.
The 3rd, index is set up the unit the Chinese word in the text message is carried out the participle operation, has adopted the automatic segmentation mode based on two-dimensional grammar in the present invention.The slit mode of traditional with the word is unit has very big drawback.Such as inquiry " Shanghai ", the word that contains " sea " so also can mate, and this is irrational.Therefore the present invention has adopted the automatic segmentation mode based on two-dimensional grammar.The advantage of automatic segmentation mode is to realize simply, and no word list maintenance cost is fit to embedded running environment very much.
The 4th, index is set up the unit and is set up full-text index, and the index process is stored file sub-path and 2 fields of content, and content is carried out full-text index for reading filename.Content comprises a plurality of fields, and at the renewing of different field attribute and data output, field is selected different index rule and storage rule, such as need carrying out the operation of segmenting word to title, and the date is only stored and does not carry out the segmenting word operation.
In addition, device of the present invention can also for the user provides input, need determine the range of information of index before setting up local index.Can reduce the unnecessary index time like this, increase effective searching times, and protect the private information of user on portable terminal not searched in some cases.And, set up the file metamessage according to determined range of information.Comprise that file is set up or the timestamp of modification and file type etc.
In addition, index is set up the unit text message in the file is analyzed, and text message is stored in a plain text document or the XML document structure.Text message in the described file is analyzed based on the automatic segmentation mode of two-dimensional grammar and in the step of the Keyword List of setting up local search, adopt.
The file that comprises text message on to portable terminal is set up in the process of local index, the dividing elements index file set up in index, described index file is divided into four index files, in four index files that mark off: the .fnm file storage all domain names that relevant document comprises in the section.Wherein each territory all was labeled, and reflected its whether indexed mistake with this.The territory of being adopted in the present embodiment comprises: whether modification time was modified file title, classification under the file path, file, information such as file content..tis file has been preserved all (tuple that is made of domain name and value), i.e. the entries behind the participle in the section.Each clauses and subclauses has comprised its document frequency, and promptly the pairing clauses and subclauses of Value occurred in what documents.Here be that " in emerging " is example with Value, expression " in emerging " occurred in 5 pieces of documents..frq file has been preserved each frequency of occurrences in document.Here be example with " in emerging " in the .tis file, in conjunction with the .frq file, expression " in emerging " appears at " 3G is at Chinese .txt ", " Sina.html ", " in emerging advertisement information ", " coming new from childhood .txt " respectively, in " lyrics .txt of XX " these 5 files; And " in emerging " appearred in " 3G is at Chinese .txt " 12 times, in " Sina.html ", occurred 15 times " in emerging ", and the like..prx file has been listed the position of each in the document, and is presented in the search result list number of times after being chosen by the user.Here be example with " in emerging ", expression " in emerging " in the participle tabulation after dividing with the binary participle, comes the 3rd and the 8th in " coming new from childhood .txt ".
Adopted 4 sub-index files to store index information, such granularity division helps the maximization of performance and minimizing of the utilization of resources.For example, indexed if certain territory does not have, can from inquiry, remove entire domain based on the index marker in the .fnm file fully soon by operation.And if item does not occur itself, then do not need to search positional information.
Like this, just set up and finished a basic environment.When user search, judging unit can be judged user's search-type.When the search-type that goes out the user when judgment unit judges is local search, then can utilizes index to set up the index of setting up the unit and carry out local search.And the search-type that goes out the user when judgment unit judges then can be called network search engines and carry out web search when being web search.
The technical staff in field should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. method of setting up index and carry out Hybrid Search on portable terminal said method comprising the steps of:
The file that comprises text message on the portable terminal is set up local index;
Judge that the user search type is local search or web search; And
If described user search type is a local search, then the content of user search is searched for based on the local index of being set up,
If described user search type is a web search, then come the content of user search is searched for by network search engines.
2. method according to claim 1, it is characterized in that, come the content of user search searched for specifically by network search engines and comprise: by calling network search engines, search command is sent to network search engines, and receive Search Results from described network search engines.
3. method according to claim 1 is characterized in that, the file that comprises text message on to portable terminal is set up user's input window, thereby imported to determine the range of information of needs local index according to the user before setting up local index.
4. method according to claim 1, it is characterized in that, the file that comprises text message on to portable terminal is set up in the step of local index, also comprise the analyzing stored step, in this step, the text message in the file is analyzed, and text message is stored in a plain text document or the XML document structure.
5. method according to claim 1, it is characterized in that, the file that comprises text message on to portable terminal is set up in the step of local index, the step that also comprises the Keyword List of setting up local search adopts in this step and based on the automatic segmentation mode of two-dimensional grammar the text message in the described file is analyzed.
6. method according to claim 1 is characterized in that, comprises corresponding section of the classification of a plurality of and described file that comprises text message in the index file bibliographic structure of described local index, is used for the described file that comprises text message is classified.
7. method according to claim 6, it is characterized in that, the file that comprises text message on to portable terminal is set up in the step of local index, also comprise the step of dividing index file, four index files in this step, described index file have been divided into, in four index files that mark off: first index file has been stored all domain names that relevant documentation comprises in described section, second index file has been preserved all in described section, the 3rd index file has been preserved the frequency that each described item occurs in document, the 4th index file has been listed the position of each in the document.
8. device of setting up index and carry out Hybrid Search on portable terminal is characterized in that described device comprises:
The unit set up in index, is used for the file that comprises text message on the portable terminal is set up local index;
Judging unit is used to judge that the user search type is local search or web search; And
Search unit, be used for when described user search type is local search, the content of user search being searched for, when described user search type is web search, come the content of user search is searched for by network search engines based on the local index of being set up.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101684587A CN101998692A (en) | 2009-08-21 | 2009-08-21 | Method and device for establishing index and carrying out mixed searching on mobile terminal |
| PCT/CN2010/074335 WO2011020372A1 (en) | 2009-08-21 | 2010-06-23 | Method and apparatus for performing search in mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101684587A CN101998692A (en) | 2009-08-21 | 2009-08-21 | Method and device for establishing index and carrying out mixed searching on mobile terminal |
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| CN101998692A true CN101998692A (en) | 2011-03-30 |
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| CN2009101684587A Pending CN101998692A (en) | 2009-08-21 | 2009-08-21 | Method and device for establishing index and carrying out mixed searching on mobile terminal |
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| WO (1) | WO2011020372A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885954A (en) * | 2012-12-20 | 2014-06-25 | 上海联影医疗科技有限公司 | Method and system for real-timely searching medical digital image information |
| WO2015143639A1 (en) * | 2014-03-26 | 2015-10-01 | Microsoft Technology Licensing, Llc | Client intent in integrated search environment |
| CN105808751A (en) * | 2016-03-14 | 2016-07-27 | 北京百度网讯科技有限公司 | Searching method and device |
| CN110399566A (en) * | 2018-04-20 | 2019-11-01 | 北京搜狗科技发展有限公司 | A kind of position search method, device and electronic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103220387B (en) * | 2013-04-16 | 2016-02-17 | 广东欧珀移动通信有限公司 | A kind of touch-screen mobile phone searching method and device |
| CN104484384A (en) * | 2014-12-10 | 2015-04-01 | 北京奇虎科技有限公司 | Method for searching in browser and browser device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2456178T3 (en) * | 2007-04-26 | 2017-05-31 | Nokia Technologies Oy | Method and portable apparatus for searching items of different types |
| CN101576927B (en) * | 2009-06-18 | 2012-08-15 | 浙江大学 | Information retrieval method of mobile terminal based on index |
-
2009
- 2009-08-21 CN CN2009101684587A patent/CN101998692A/en active Pending
-
2010
- 2010-06-23 WO PCT/CN2010/074335 patent/WO2011020372A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885954A (en) * | 2012-12-20 | 2014-06-25 | 上海联影医疗科技有限公司 | Method and system for real-timely searching medical digital image information |
| WO2015143639A1 (en) * | 2014-03-26 | 2015-10-01 | Microsoft Technology Licensing, Llc | Client intent in integrated search environment |
| CN105808751A (en) * | 2016-03-14 | 2016-07-27 | 北京百度网讯科技有限公司 | Searching method and device |
| CN110399566A (en) * | 2018-04-20 | 2019-11-01 | 北京搜狗科技发展有限公司 | A kind of position search method, device and electronic equipment |
| CN110399566B (en) * | 2018-04-20 | 2024-06-07 | 北京搜狗科技发展有限公司 | Position searching method and device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011020372A1 (en) | 2011-02-24 |
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Application publication date: 20110330 |