WO2014094481A1 - 推送信息的方法和装置 - Google Patents
推送信息的方法和装置 Download PDFInfo
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- WO2014094481A1 WO2014094481A1 PCT/CN2013/084828 CN2013084828W WO2014094481A1 WO 2014094481 A1 WO2014094481 A1 WO 2014094481A1 CN 2013084828 W CN2013084828 W CN 2013084828W WO 2014094481 A1 WO2014094481 A1 WO 2014094481A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- query string
- candidate
- picture
- query
- string
- Prior art date
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Classifications
-
- 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
- G06F16/24578—Query processing with adaptation to user needs using ranking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/53—Querying
- G06F16/532—Query formulation, e.g. graphical querying
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9535—Search customisation based on user profiles and personalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9538—Presentation of query results
-
- 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
- G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
Definitions
- the present invention relates to the field of communication technologies, and in particular, to a method and apparatus for pushing information. Background technique
- a query string with the word "picture” needs to be input on the search engine.
- the search engine gets the query string entered on the page, looks up the picture about the Forbidden City based on the query string, and then outputs it on the page.
- a method of pushing information comprising:
- the corresponding picture is output on the webpage according to the specified query string.
- an apparatus for pushing information comprising:
- An obtaining module configured to obtain a specified query string input on a webpage
- a matching module configured to match the specified query string with a query string in the query string candidate set, where the query string in the query string candidate set is a query string with a picture orientation
- a picture output module configured to: when the query string candidate set has a query string that matches the specified query string, output a corresponding picture on the webpage according to the specified query string.
- the technical solution provided in the embodiment of the present invention has the beneficial effects of: obtaining a specified query string input on a webpage; and matching the specified query string with a query string in the query string candidate set, where The query string in the query string candidate set is a query string with a picture orientation; when the query string candidate set has a query string matching the specified query string, according to the specified query string The corresponding picture is output on the webpage. If the query string is not limited to the word "picture", the matching of the specified query string with the query string of the query string candidate set can be used to know whether the specified query string has a picture orientation, thereby Provide users with more accurate image search results.
- FIG. 1 is a flowchart of a method for pushing information provided in Embodiment 1 of the present invention
- FIG. 2 is a flowchart of a method for pushing information provided in Embodiment 2 of the present invention
- FIG. 3 is a third embodiment of the present invention
- FIG. 4 is a schematic structural diagram of another apparatus for pushing information provided in Embodiment 3 of the present invention.
- a method for pushing information including:
- 101 Obtain a specified query string input on a webpage; 102.
- the specified query string is matched with a query string in the query string candidate set, where the query string in the query string candidate set is a query string with a picture orientation;
- the query string candidate set has a query string that matches the specified query string, outputting a corresponding picture on the webpage according to the specified query string.
- the beneficial effects of the embodiment are: obtaining a specified query string input on a webpage; matching the specified query string with a query string in the query string candidate set, wherein the query character in the query string candidate set The string is a query string with a picture orientation; when the query string candidate set has a query string matching the specified query string, the corresponding image is output on the webpage according to the specified query string. . If the query string is matched with the query string in the query string candidate set, it is possible to know whether the specified query string has a picture orientation, and thus Provide users with more accurate image search results.
- Embodiment 2 is possible to know whether the specified query string has a picture orientation, and thus Provide users with more accurate image search results.
- a method for pushing information is provided, and a query string having a picture orientation on a webpage is searched.
- a user searches for the query string on a webpage
- the first page of the search result is displayed.
- the result of the picture box (picture frame), making it easy for users to view the picture results.
- a query string with a picture orientation means that the user wants to see the result of the picture when searching for the query string.
- a picture box is a form of displaying a picture in a web search.
- the picture can be scaled to a certain ratio, and a plurality of pictures can be displayed horizontally in one display frame, or multiple pictures can be displayed vertically, and the specific form is implemented.
- the method flow includes:
- the step of preprocessing the historical query string on the webpage to obtain a query string candidate set includes:
- the historical query string on the webpage is counted, the number of searches for each query string is obtained, and the query string whose search times are higher than the first threshold is selected.
- the first threshold and the second threshold may be set according to an empirical value, which is not specifically limited in this embodiment.
- the centralized query string is filtered to obtain a second candidate query string set, including: obtaining search results in a specified page of each query string in the first candidate query string set, and extracting a title of each search result Obtaining a correlation score of each query string in the first candidate query string set according to a keyword included in the title and a position of the title, wherein if the title includes a preset keyword and the Positioning the title before the first specified position in the search result or at the first specified position, accumulating the relevant score of the query string by a third threshold, if the position of the title is in the After a specified location, the correlation score of the query string is accumulated to a fourth threshold, and the third threshold is greater than the fourth threshold a value, the correlation score of the query string is accumulated one by one from the first search result in the specified page; screening the query string in
- the specified page in this embodiment refers to the first page displayed on the webpage when searching according to the query string, and the title of each search result on the first page is captured, such as 6 on the first page.
- the search results grab the title of each search result, and determine whether each title contains a preset key.
- Words where the default keywords refer to keywords with a tendency to picture, such as the National Emblem, the Forbidden City, and so on.
- the first designated location, the second designated location, the third threshold, the fourth threshold, the fifth threshold, and the sixth threshold may be set according to an actual search situation in the webpage, which is not in this embodiment. Make specific limits.
- the first designated position is set to 3, the second specified position is 5, the third threshold is 2, the fourth threshold is 1, the fifth threshold is 3, and the sixth threshold is 30%.
- the relevant scores of the query string are accumulated one by one from the head of the first search result on the first page, and the initial score of the relevant score is 0.
- a total of 2 points is added.
- the title of the second search result includes any one of the preset keywords
- a total of 2 points is added.
- no points are added.
- a total of 1 point is added.
- a total of 1 point is added.
- the correlation score is 6, and the correlation score in the third position is 6, which is greater than the fifth threshold 3.
- the query string is retained, and the number of titles of the preset keyword included in the search result of the query string is 4. Article, greater than 30% of the total number of titles. The query string is thus added to the second candidate query string set.
- the number of preset keywords included in each query string in the second candidate query string set is obtained, that is, each query string included in the second candidate query string set is included.
- the number of preset keywords is counted.
- the second candidate query character is obtained according to the correlation score of each query string in the second candidate query string set and the number of preset keywords included in each query string.
- the string propensity score for each query string in the string set including:
- the picture propensity score of the query string is set to be zero
- the preset keywords included in the query string are set.
- the number is an eighth threshold, and according to the 2* eighth threshold* the relevant score of the query string/the length of the query string, the picture propensity score of the query string is obtained;
- the correlation score of the query string in the second candidate query string set is greater than zero, and the number of preset keywords included in the query string is equal to zero, setting a preset keyword included in the query string
- the number is a ninth threshold, and according to the 2* ninth threshold* the relevant score of the query string/the length of the query string, the picture propensity score of the query string is obtained.
- the seventh threshold, the eighth threshold, and the ninth threshold may be set according to an actual search situation in the webpage, where the calculation method of the query string correlation score and the second candidate query string set are according to the foregoing
- the seventh threshold may be set to 1.5
- the eighth threshold is set to 1.5
- the ninth threshold is set to 1.
- the relevant score may be further defined.
- the maximum and minimum values such as setting the maximum value of the correlation score to 2, the minimum value to 0.01, and when the calculated correlation score exceeds 2, the correlation score is set to 2, when the calculated correlation score is less than At 0.01, the correlation score is set to 0.01 for unified management.
- the query string is added to the query string candidate set, and further includes: according to the query The string candidate sets the click rate of the search result in the specified page of the query string, and corrects the picture propensity score of the query string in the query string candidate set.
- the image propensity score is corrected to ensure that the query string in the query string candidate set is a query string that is really prone to the image, and the query string in which the image in the query string candidate set tends to be less strong is filtered out.
- the picture propensity score of the query string in the query string candidate set is performed.
- the correction includes: obtaining, according to a click rate of the search result in the specified page of the query string of the query string candidate set, an average click rate of the location of each search result in the specified page; according to each of the specified pages
- the average click rate of the location of the search results is the standard click rate of the location of each search result
- the search result in the specified page is the click rate of the image, according to the click rate of the image and each of the specified pages
- the standard click rate of the location of the search result, the specified position of the picture is obtained; ⁇ according to the specified position of the picture and the original position of the picture, the picture propensity score of the query string in the query string candidate set is corrected .
- the average click rate of the location of each search result in the specified page is obtained according to the click rate of the search result in the specified page of the query string candidate set in the query string candidate set, including: counting all searches in the specified page.
- the click rate of the resulting location the click rate of the location of each search result is divided by the click rate of the location of all the search results, and the average click rate of the location of each search result is obtained.
- the standard click rate of the location of each search result is obtained according to the average click rate of the location of each search result in the specified page, including: setting the standard click rate of the location of each search result as the average click rate t Times. For example, if the average click rate of the location of the first search result is 0.5, the standard click rate of the location of the search result is 0.5t, where t is a number greater than 1, such as 1.5, 1.6, 1.8, 2, etc., This embodiment is not specifically limited.
- the correction of the picture propensity score of the query string is discarded.
- the specified position of the image is the position in the search result that is the standard clickthrough rate of the image's clickthrough rate for each search result in the specified page.
- the standard click rate of each search result is 0.5, 0.4, 0.3, 0.2, and the search result is 0.36, and the specified position of the image is between 0.4 and 0.3.
- the specified position of the picture and the original position of the picture are corrected for the picture propensity score of the query string in the query string candidate set, including:
- the picture propensity score is corrected according to the added value of the picture propensity score or the decrease value of the picture propensity score.
- the tenth threshold and the eleventh threshold may be set according to actual search conditions in the webpage, such as setting the tenth threshold to 0.02, 0.025, and the like.
- the eleventh threshold is set to 0.05, 0.055, etc., which is not specifically limited in this embodiment.
- steps 201-202 are steps that need to be performed when the query string is not mined before the user inputs the query string. If the query string is already drilled when the user inputs the query string. You do not need to repeat this step.
- the matching in this embodiment is not limited to the full text matching, when the specified query string contains a query string in the query string candidate set, or the specified query string is included in the query string candidate.
- a certain query string is in the set, it is also counted as a query string matching the specified query string in the query string candidate set, which is not specifically limited in this embodiment.
- the query string candidate set has a query string that matches the specified query string, it is confirmed that the specified query string is a string with a picture orientation, and the search result of the query string is specified.
- the first page is preferably outputting a picture box for the user to browse.
- the query string candidate set does not have a query string that matches the specified query string, it is confirmed that the specified query string is a string that does not have a picture orientation, and the corresponding text search result is output on the webpage, This is not repeated in this embodiment.
- the beneficial effects of the embodiment are: obtaining a specified query string input on a webpage; matching the specified query string with a query string in the query string candidate set, wherein the checking The query string in the query string candidate set is a query string with a picture orientation; when the query string candidate set has a query string matching the specified query string, according to the specified query string The corresponding picture is output on the webpage. If the query string is matched with the query string in the query string candidate set, it is possible to know whether the specified query string has a picture orientation, and thus Provide users with more accurate image search results.
- the same threshold may be specified for each position in the search result for the title, without distinguishing whether it is before the first specified position, thereby obtaining the designation from the specified
- Each search result in the page begins to accumulate the associated scores of the query string one by one.
- the query string candidate set is not limited to being obtained by preprocessing the historical query string on the webpage in the manner of the second embodiment, or may be performed according to other manners, for example, by using each query string in the past.
- the search history contains the "picture" record for analysis.
- the apparatus includes: an obtaining module 301, a matching module 302, and a picture output module 303.
- the obtaining module 301 is configured to obtain a specified query string input on the webpage;
- the matching module 302 is configured to match the specified query string with the query string in the query string candidate set, where the query string in the query string candidate set is a query string with a picture tendency;
- the picture output module 303 is configured to: when the query string candidate set has a query string that matches the specified query string, output a corresponding picture on the webpage according to the specified query string.
- the apparatus further includes:
- the query string candidate set obtaining module 304 is configured to preprocess the historical query string on the webpage to obtain the query string candidate set before the obtaining module 301 obtains the specified query string input on the webpage.
- the query string candidate set obtaining module 304 includes: a first screening unit 304a, configured to filter the historical query string according to the number of searches of the historical query string in the webpage, to obtain the first a candidate query string set, where the number of searches for each query string in the first candidate query string set is greater than a first threshold;
- a second screening unit 304b configured to acquire a correlation score of each query string in the first candidate query string set, and according to the correlation score of each query string in the first candidate query string set A query string in a candidate query string set is filtered to obtain a second candidate query string set;
- the picture propensity score obtaining unit 304c is configured to acquire the number of preset keywords included in each query string in the second candidate query string set, and set each query character according to the second candidate query string set. a correlation score of the string and a number of preset keywords included in each of the query strings, to obtain a picture propensity score of each query string in the second candidate query string set;
- the query string candidate set obtaining unit 304d is configured to add a query string whose picture propensity score of the query string in the second candidate query string set is greater than the second threshold to the query string candidate set.
- the second selection unit 304b includes:
- An extraction subunit configured to obtain search results in a specified page of each query string in the first candidate query string set, and extract a title of each search result
- a correlation score calculation subunit configured to obtain, according to a keyword included in the title and a position of the title, a correlation score of each query string in the first candidate query string set, wherein, if the title includes Presetting a keyword and the position of the title before the first specified position in the search result or at the first specified position, accumulating the relevant score of the query string by a third threshold, if After the position of the title is after the first specified position, the relevant score of the query string is accumulated to a fourth threshold, the third threshold is greater than the fourth threshold, and the relevant score of the query string is from the The first search result in the specified page begins to accumulate one by one;
- a filtering subunit for screening a query string in the first candidate query string set Selecting, when the score of the query string in the first candidate query string set at the second specified position is less than a fifth threshold, discarding the query string, when the search result in the specified page includes the When the number of titles of the preset keyword is less than the sixth threshold, the query string is discarded, and the filtered second candidate query string set is obtained.
- the picture propensity score obtaining unit is specifically configured to:
- the picture propensity score of the query string is set to be zero
- the image propensity score of the query string is set to be seventh. Threshold value
- the preset keywords included in the query string are set.
- the number is an eighth threshold, and according to the 2* eighth threshold* the relevant score of the query string/the length of the query string, the picture propensity score of the query string is obtained;
- the correlation score of the query string in the second candidate query string set is greater than zero, and the number of preset keywords included in the query string is equal to zero, setting a preset keyword included in the query string
- the number is a ninth threshold, and according to the 2* ninth threshold* the relevant score of the query string/the length of the query string, the picture propensity score of the query string is obtained.
- the query string candidate set obtaining module 304 further includes: a modifying unit 304e, configured to query the second candidate query string in the query character set by the query string candidate set obtaining unit 304d After the query string of the string propensity score greater than the second threshold is added to the query string candidate set, according to the click rate of the search result in the specified page of the query string candidate set, the query string is The picture propensity score of the query string in the candidate set is corrected.
- a modifying unit 304e configured to query the second candidate query string in the query character set by the query string candidate set obtaining unit 304d After the query string of the string propensity score greater than the second threshold is added to the query string candidate set, according to the click rate of the search result in the specified page of the query string candidate set, the query string is The picture propensity score of the query string in the candidate set is corrected.
- the correcting unit 304e includes:
- An average click rate acquisition subunit configured to obtain an average click rate of a location of each search result in the specified page according to a click rate of the search result in the specified page of the query string candidate set in the query string candidate set;
- a standard click rate acquisition subunit for obtaining a standard click rate of the location of each search result according to an average click rate of the location of each search result in the specified page
- a location obtaining sub-unit configured to collect a click rate of the search result in the specified page as a picture, and obtain the picture according to a click rate of the picture and a standard click rate of a location of each search result in the specified page.
- a correction subunit configured to correct a picture propensity score of the query string of the query string candidate set according to the specified position of the picture and the original position of the picture.
- the modifying subunit is specifically configured to:
- the picture propensity score is corrected based on the added value of the picture propensity score or the decrease value of the picture propensity score.
- the beneficial effects of the embodiment are: obtaining a specified query string input on a webpage; matching the specified query string with a query string in the query string candidate set, wherein the query character in the query string candidate set The string is a query string with a picture orientation; when the query string candidate set has a query string matching the specified query string, the corresponding query string is outputted on the webpage according to the specified query string. image. If the query string is matched with the query string in the query string candidate set, it is possible to know whether the specified query string has a picture orientation, and thus Provide users with more accurate image search results.
- the device for pushing information provided in the foregoing embodiment is only exemplified by the division of each functional module, and in actual application, the function distribution may be completed by different functional modules as needed, that is, the device is The internal structure is divided into different functional modules to perform all or part of the functions described above.
- the device for pushing information and the method for pushing information provided in the above embodiments are in the same concept, and the specific implementation process is described in detail in the method embodiment, and details are not described herein again.
Abstract
Description
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US14/653,589 US9589026B2 (en) | 2012-12-21 | 2013-10-08 | Method and device for pushing information |
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CN102456054A (zh) * | 2010-10-28 | 2012-05-16 | 腾讯科技(深圳)有限公司 | 一种搜索方法及系统 |
CN102043833A (zh) * | 2010-11-25 | 2011-05-04 | 北京搜狗科技发展有限公司 | 一种基于查询词进行搜索的方法和搜索装置 |
CN102436495A (zh) * | 2011-11-14 | 2012-05-02 | 百度在线网络技术(北京)有限公司 | 一种提供动态搜索页面的方法及其装置 |
CN102622417A (zh) * | 2012-02-20 | 2012-08-01 | 北京搜狗信息服务有限公司 | 对信息记录进行排序的方法和装置 |
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US9589026B2 (en) | 2017-03-07 |
CN103885979A (zh) | 2014-06-25 |
CN103885979B (zh) | 2018-06-05 |
US20160004700A1 (en) | 2016-01-07 |
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