CN102902755A - Method and device for adjusting sequencing of search result items - Google Patents
Method and device for adjusting sequencing of search result items Download PDFInfo
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- CN102902755A CN102902755A CN2012103572094A CN201210357209A CN102902755A CN 102902755 A CN102902755 A CN 102902755A CN 2012103572094 A CN2012103572094 A CN 2012103572094A CN 201210357209 A CN201210357209 A CN 201210357209A CN 102902755 A CN102902755 A CN 102902755A
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Abstract
The invention provides a method and a device for adjusting the sequencing of search result items, wherein the method for adjusting the search result items comprises the following steps: A. acquiring the evaluation of more than one user on the matching degree between the search result items and search key words; B. adjusting the sequencing weight of the search result items under the search key words according to the acquired evaluation; and C. determining the sequencing of the search result items in a returning web page according to the adjusted sequencing weight under the search key words when a user searches by using the search key words. Through the manner, strategy leaks in the search result can be efficiently solved, the search result for search engine is optimized by utilizing the evaluation of the user to the web page by, the result with high quality is protected to a greater extent, and the result with low quality is suppressed powerfully.
Description
[technical field]
The present invention relates to search technique, particularly a kind of method and device that the ordering of result for retrieval item is adjusted.
[background technology]
Search engine has become requisite instrument in people's life.Search engine by receiving user's input search key and return the result for retrieval that is complementary with the search key of inputting to the user and come to provide required information for the user.The result for retrieval that search engine returns is the set that is made of a series of result for retrieval items, the corresponding webpage of each result for retrieval item.Search engine sorts to the result for retrieval item result for retrieval being offered user Shi Hui, in time finds own required information to make things convenient for the user.
When search engine sorted to the result for retrieval item, known had a multiple way, as consider the result for retrieval item the importance of corresponding webpage, perhaps matching degree between result for retrieval item and the search key etc.But all may there be tactful leak in these ordering strategies, and these tactful leaks have caused the irrational phenomenon of ordering, and these tactful leaks also may be utilized to artificially practise fraud, and cause the rank of malicious web pages to rise.Prior art lacks the timely discovery strategy leak of actual mechanism and improves ranking results.
[summary of the invention]
Technical matters to be solved by this invention provides a kind of method and device that the ordering of result for retrieval item is adjusted, when solving the result for retrieval ordering owing to there is the leak inaccurate problem that causes sorting in ordering strategy.
The present invention is that the technical scheme that the technical solution problem adopts provides a kind of method that the ordering of result for retrieval item is adjusted, and comprising: A. obtains the evaluation that more than one user makes matching degree between result for retrieval item and the search key; B. according to the weight order of the described result for retrieval item of design develop under described search key that obtains; C. when the user retrieves with described search key, determine described result for retrieval item putting in order in back page according to the weight order under the described search key after adjusting.
The preferred embodiment one of according to the present invention, described steps A comprises: A1. returns the page of the opinion rating that comprises result for retrieval item and described result for retrieval item correspondence to the user according to search key; A2. receive the selection that the user makes in each opinion rating; A3. judge whether described selection is effective, if so, the evaluation of then opinion rating of selecting being made matching degree between described result for retrieval item and the described search key as the user.
The preferred embodiment one of according to the present invention, in the described steps A 3, when one of meeting the following conditions at least, judge that described selection is effective: condition one: the user clicked described result for retrieval item and surpassed the first critical value in the time that the page of described result for retrieval item correspondence stops before making a choice; Perhaps condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
The preferred embodiment one of according to the present invention, described step B comprises: in the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of described result for retrieval item under described search key; In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of described result for retrieval item under described search key.
The preferred embodiment one of according to the present invention, among the described step B, determine the adjustment increment of the weight order of described result for retrieval item under described search key according to following formula:
Wherein w is described adjustment increment, and user (i) is i the authority who estimates the user, and grade (i) is i the opinion rating of estimating the user, and φ is the evaluation set of obtaining.
The preferred embodiment one of according to the present invention, described method further comprises: when the weight order of described result for retrieval item under surpass setting the search key of number all is lower than the 5th critical value, the page of described result for retrieval item correspondence is defined as the malice page.
The preferred embodiment one of according to the present invention, described method further comprises: the quantity that will comprise the malice page surpasses the website of the 6th critical value as malicious websites.
The preferred embodiment one of according to the present invention, described step B further comprises: determine the same class keywords of described search key, and according to the described result for retrieval item of the design develop that obtains described with the weight order under the class keywords; And described step C further comprises: when the user with described when retrieving with class keywords, determine described result for retrieval item putting in order in back page according to described after adjusting with the weight order under the class keywords.
The present invention also provides a kind of method that the ordering of result for retrieval item is adjusted, and comprising: A. obtains the evaluation that login user is made the matching degree between result for retrieval item and the search key; B. according to the weight order of the described result for retrieval item of the design develop of described login user under described login user; C. when described login user is retrieved with described search key, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
The preferred embodiment one of according to the present invention, described steps A further comprises: obtain the period that described login user is made evaluation; And described step B comprises: according to the design develop of described login user described result for retrieval item weight order under described login user in the described period; And described step C comprises: when described login user was retrieved with described search key within the described period, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
The preferred embodiment one of according to the present invention, described steps A further comprises: obtain the geographic range that described login user is made evaluation; And described step B comprises: according to the weight order of described result for retrieval item under described login user in the described geographic range of the design develop of described login user; And described step C comprises: when described login user is retrieved with described search key in described geographic range, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
The present invention also provides a kind of device that the ordering of result for retrieval item is adjusted, and comprising: acquiring unit is used for obtaining the evaluation that more than one user makes matching degree between result for retrieval item and the search key; Adjustment unit is used for according to the weight order of the described result for retrieval item of design develop under described search key that obtains; Sequencing unit is used for when the user retrieves with described search key, determines described result for retrieval item putting in order in back page according to the weight order under the described search key after adjusting.
The preferred embodiment one of according to the present invention, described acquiring unit comprises: retrieval unit is used for returning to the user according to search key the page of the opinion rating that comprises result for retrieval item and described result for retrieval item correspondence; Receiving element is used for receiving the selection that the user makes in each opinion rating; Judging unit is used for judging whether described selection is effective; Determining unit is used for when the described selection of described judgment unit judges is effective, the evaluation that the opinion rating of selection is made matching degree between described result for retrieval item and the described search key as the user.
The preferred embodiment one of according to the present invention, described judging unit judges that described selection is effective: condition one when one of meeting the following conditions at least: the user clicked described result for retrieval item and surpassed the first critical value in the time that the page of described result for retrieval item correspondence stops before making a choice; Perhaps condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
The preferred embodiment one of according to the present invention, described adjustment unit is adjusted described result for retrieval item and is comprised in the mode of the weight order under the described search key: in the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of described result for retrieval item under described search key; In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of described result for retrieval item under described search key.
The preferred embodiment one of according to the present invention, described adjustment unit is determined the adjustment increment of the weight order of described result for retrieval item under described search key according to following formula:
Wherein w is described adjustment increment, and user (i) is i the authority who estimates the user, and grade (i) is i the opinion rating of estimating the user, and φ is the evaluation set of obtaining.
The preferred embodiment one of according to the present invention, described device further comprises: malice page determining unit, be used for when described result for retrieval item is surpassing weight order under the search key of setting number and all is lower than the 5th critical value, the page of described result for retrieval item correspondence is defined as the maliciously page.
The preferred embodiment one of according to the present invention, described device further comprises: the malicious websites determining unit, the quantity that is used for comprising the malice page surpasses the website of the 6th critical value as malicious websites.
The preferred embodiment one of according to the present invention, described adjustment unit are further used for determining the same class keywords of described search key, and according to the described result for retrieval item of the design develop that obtains described with the weight order under the class keywords; And, described sequencing unit be further used for when the user with described when retrieving with class keywords, determine described result for retrieval item putting in order in back page according to described after adjusting with the weight order under the class keywords.
The present invention also provides a kind of device that the ordering of result for retrieval item is adjusted, and comprising: acquiring unit is used for obtaining the evaluation that login user is made the matching degree between result for retrieval item and the search key; Adjustment unit is used for according to the weight order of the described result for retrieval item of the design develop of described login user under described login user; Sequencing unit is used for when described login user is retrieved with described search key, determines described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
The preferred embodiment one of according to the present invention, described acquiring unit is further used for obtaining the period that described login user is made evaluation; And the mode that described adjustment unit is adjusted weight order comprises: according to the design develop of described login user described result for retrieval item weight order under described login user in the described period; And, described sequencing unit determines that the mode that put in order of described result for retrieval item in back page comprises: when described login user was retrieved with described search key within the described period, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
The preferred embodiment one of according to the present invention, described acquiring unit is further used for obtaining the geographic range that described login user is made evaluation; And the mode that described adjustment unit is adjusted weight order comprises: according to the weight order of described result for retrieval item under described login user in the described geographic range of the design develop of described login user; And, described sequencing unit determines that the mode that put in order of described result for retrieval item in back page comprises: when described login user is retrieved with described search key in described geographic range, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
As can be seen from the above technical solutions, the evaluation that the present invention makes matching degree between result for retrieval item and the search key by obtaining the user, can be effectively adjust affecting the weight order that the result for retrieval item puts in order, thereby so that the ordering of result for retrieval item more meets user's request, in this way, even there is leak in original ordering strategy and causes sorting inaccurate, but after obtaining user's evaluating data, ordering can be adjusted automatically, thereby can so that the ordering of result for retrieval item meets user's needs, solve the inaccurate problem of ordering.
[description of drawings]
Fig. 1 is that the flow process of the embodiment one of the method among the present invention the ordering of result for retrieval item adjusted is illustrated him;
Fig. 2 is the synoptic diagram of the page that returns according to search key among the present invention;
Fig. 3 is the schematic flow sheet of the embodiment two of the method among the present invention the ordering of result for retrieval item adjusted;
Fig. 4 is the structural representation block diagram of the device among the present invention the ordering of result for retrieval item adjusted;
Fig. 5 is the structural representation block diagram of the embodiment of acquiring unit among the present invention.
[embodiment]
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the schematic flow sheet of the embodiment one of the method among the present invention the ordering of result for retrieval item adjusted.As shown in Figure 1, this embodiment comprises:
Step S101: obtain the evaluation that more than one user makes matching degree between result for retrieval item and the search key.
Step S102: according to the weight order of this result for retrieval item of the design develop that obtains under this search key.
Step S103: when the user retrieves with this search key, determine this result for retrieval item putting in order in back page according to the weight order under this search key after adjusting.
The below describes in detail to above-mentioned steps.
In the present embodiment, step S101 specifically comprises:
Step S1011: the page that returns the opinion rating that comprises result for retrieval item and result for retrieval item correspondence according to search key to the user.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of the page that returns according to search key among the present invention.Similar with existing search routine, after the user inputted search key, search engine returned the result for retrieval page according to search key to the user, and retrieval result page bread has contained the result for retrieval item.Among the present invention, the result for retrieval page is except comprising the result for retrieval item, the opinion rating that also has this result for retrieval item correspondence, for example shown in Figure 2, there are " recommendation ", " report " button in result for retrieval item 1 the right, these buttons are opinion ratings of result for retrieval item 1 correspondence, can represent high-grade and inferior grade respectively.Should be appreciated that, the opinion rating of result for retrieval item correspondence shown in Figure 2 only is signal, the present invention does not limit the form of expression of the opinion rating of result for retrieval item correspondence, for example the button of expression opinion rating can be changed to other the icon that can represent the grade implication, perhaps express the implication of opinion rating with the written form of " satisfaction ", " being unsatisfied with " or " senior ", " middle rank ", " rudimentary ".
Step S1012: receive the selection that the user makes in each opinion rating.
For example the user retrieves as search key with " Baidu " among the step S1011, has clicked " recommendation " button at result for retrieval item 1 place that returns, and then will receive this selection that the user makes among the step S1012.
Step S1013: judge whether user selection is effective, if so, the evaluation of then opinion rating of selecting being made matching degree between result for retrieval item and the search key as the user.
For example, if judge that the selection that above-mentioned user makes is effective selection, the evaluation of then " recommendation " being made matching degree between result for retrieval item 1 and the search key " Baidu " as the user.For result for retrieval item 1 and search key " Baidu ", step S1011 to S1013 has illustrated the process that a user estimates of obtaining, and repeats said process, and the present invention just can obtain a plurality of users and estimate in step S101.
When judging that user selection is whether effectively, one of meet the following conditions at least and to judge that just user's selection is effective selection among the above-mentioned steps S1013:
Condition one: the user clicked the result for retrieval item and surpassed the first critical value in the time that the page of result for retrieval item correspondence stops before making a choice; Perhaps
Condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
The effect of condition one and condition two all is to be cheating user and obtain insecure evaluating data in order to prevent from estimating the user.For example user does not click the result for retrieval item 1 among Fig. 2, although perhaps clicked result for retrieval item 1, but just do not stop at the page of result for retrieval item 1 correspondence and directly to have closed this page, this explanation user does not probably read result for retrieval item 1 and has just made evaluation, obviously, the confidence level of this evaluation is lower, by condition one, can filter out the evaluating data of this low confidence level.User such as same IP address estimates result for retrieval item 1 repeatedly again, if the number of times of estimating has surpassed a critical value, for example certain IP has surpassed 3 times the evaluation of result for retrieval item 1 in one day, and this might be a kind of cheating just, thereby judges that this behavior is invalid.By condition two, can the user's of same IP address evaluation behavior be retrained, prevent that the user from practising fraud, thereby guaranteed the confidence level of evaluating data.
For convenience of explanation, the below provides a kind of data structure of evaluating data as signal, but should be appreciated that, the invention is not restricted to this.The evaluating data that gets access among the step S 101 can search key-result for retrieval item (being query-URL) as the key assignments record.As obtain a user result for retrieval item 1 that search key " Baidu " obtains has been selected " recommendation ", and this selection is effectively, then can obtain an evaluating data " Baidu-result for retrieval item 1: recommend ".
Can obtain a series of such evaluating datas from each user among the step S101.The mode of adjusting the weight order of result for retrieval item under corresponding search key among the step S102 can have two kinds of embodiments.
The embodiment one of step S102:
In the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of result for retrieval item under corresponding search key; In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of result for retrieval item under corresponding search key.
Search engine can have a plurality of weight orders when the result for retrieval item is sorted, each weight order represents respectively a factor that affects ranking results.The rank score of a result for retrieval item can determine with reference to following formula (1), wherein score higher in final result for retrieval, will arrange more forward:
Wherein rank (p) represents the rank score of result for retrieval item p, w
iRepresent a weight order, n represents the sum of weight order.
In the present embodiment, the factor that affects ranking results comprises the weight order of result for retrieval item under corresponding search key at least, in addition, the factor that affects ranking results can also have the weight order of other types, the weight order that is for example represented by the Web page importance of result for retrieval item correspondence.The account form of Web page importance can number be 6285999 patent document with reference to U.S.'s patent of invention, does not repeat them here.
Below by instantiation the embodiment one of step S102 and the executive mode of step S103 are introduced.For example, in the evaluating data that step S101 obtains, " Baidu-result for retrieval item 1 " recommended number of times accounting in all evaluating datas surpasses the second setting value, then the explanation great majority are with thinking that per family result for retrieval item 1 is higher with the matching degree of " Baidu ", therefore will improve the weight order of result for retrieval item 1 under search key " Baidu " among the step S102, among the step S103, when the user with search key " Baidu " when retrieving, when deterministic retrieval result items 1 putting in order in back page, will be according to the rank score of formula (1) deterministic retrieval result items 1, wherein, the weight order of the result for retrieval item 1 after the adjustment under search key " Baidu " is exactly a w in this formula
iValue.Identical reason, if the number of times that " Baidu-result for retrieval item 1 " reported accounting in all evaluating datas surpasses the second setting value, then the explanation great majority are used and are thought that per family result for retrieval item 1 is lower with the matching degree of " Baidu ", so will reduce the weight order of result for retrieval item 1 under search key " Baidu " among the step S102.
The above-mentioned embodiment of step S102 is not considered the evaluation user's that evaluating data is corresponding confidence level.Therefore step S102 can also implement according to embodiment two.
The embodiment two of step S102:
Determine the adjustment increment of the weight order of described result for retrieval item under described search key according to following formula:
The adjustment increment of weight order is a side-play amount, the quantity that namely original weight order is increased or reduces.Estimate user's authority, refer to the user's who makes evaluation confidence level.Among the present invention, definite mode of estimating user's authority can have multiple, for example judges user's authority by user's log-on message, perhaps passes through user's historical behavior judgement user's authority.Here, estimating user's authority and estimate user's opinion rating can be with the numeric representation of a quantification, and for example " recommendation " grade is 1, and " report " grade is-1 etc.Can find out that in the present embodiment, the authority who estimates the user is higher, this user's evaluation is finally just larger on the impact of adjusting increment.
Adopt method of the present invention, the relation of each result for retrieval Xiang Yuyi search key formation is to getting access to the evaluation from each user, for example result for retrieval item 1 is estimated (set A) with the relation that " Baidu " forms to obtaining a series of user, result for retrieval item 1 is estimated (set B) with the relation that " search engine " forms to also obtaining a series of user, among the step S 102, according to the weight order of set A capable of regulating result for retrieval item 1 under " Baidu ", according to the weight order of set B capable of regulating result for retrieval item 1 under " search engine ", similarly, result for retrieval item 1 can also have the weight order under other search keys.As the normal page, may have the lower and higher situation of ordering under the part search key of weight order under the part search key, for example " www.baidu.com " weight order under " Baidu " is higher and weight order under " Sohu " is just lower.If the weight order of a result for retrieval item under most of search keys all is lower than certain value, the quality existing problems of the page of this result for retrieval item correspondence own then probably are described, such as malice pages such as fishing webpages.Therefore the method for present embodiment may further include: when the result for retrieval item is surpassing weight order under the search key of setting number and all is lower than the 5th critical value, the page of result for retrieval item correspondence is defined as the malice page.
In addition, the method for present embodiment can further include: the quantity that will comprise the malice page surpasses the website of the 6th critical value as malicious websites.That is to say, can excavate malicious websites from the internet by method of the present invention.
Those skilled in the art should understand that, above-mentioned the first critical value to the six critical values, its effect all is in order to realize restricted number, its concrete value does not affect the realization of this programme, can arrange arbitrarily according to actual needs, this instructions is distinguished title in order not cause the confusion in the understanding.
Can find out by above-mentioned introduction, the present invention can utilize most of users' evaluation, matching degree between result for retrieval item and the search key is judged, thereby in ordering, realized a kind of user feedback mechanisms, because what can think that most of users' judgement reflects is objective reality, therefore method of the present invention can effectively solve the inaccurate problem of sort result.
In addition, present embodiment also can further comprise in step S102: the same class keywords of deterministic retrieval keyword, and according to the weight order under the design develop result for retrieval Xiang Zaitong class keywords that obtains.Accordingly, step S103 further comprises: when the user when retrieving with class keywords, according to weight order deterministic retrieval result items the putting in order in back page under the result for retrieval Xiang Zaitong class keywords.
The same class keywords of search key can be the synonym of search key, or the relevant word of attribute, and for example " Liu Dehua " belongs to related term with " Four Heavenly Kings ".The same class keywords of deterministic retrieval keyword can adopt various existing techniques in realizing, and for example synonym excavates etc., owing to do not belong to emphasis of the present invention, does not repeat them here.
Mode according to the weight order under the design develop result for retrieval Xiang Zaitong class keywords that obtains, similar with the mode of the weight order of adjustment result for retrieval item under search key of introducing previously, when favorable comment quantity is many, obviously should improve the weight order under the result for retrieval Xiang Zaitong class keywords, and be on duty when commenting quantity many, just should reduce the weight order under the result for retrieval Xiang Zaitong class keywords.
For example, the favorable comment quantity of result for retrieval item 1 under " Apple Computers " is very many, if " Macbook " is the similar term of " Apple Computers ", then present embodiment will improve the weight order of result for retrieval item 1 under " Macbook " in step S102, like this in step S103, when the user with " macbook " when retrieving, just can be according to weight order deterministic retrieval result items 1 the putting in order in back page of result for retrieval item 1 under " Macbook ".
By the way, the present invention is the ranking results of query expansion result items under various search conditions effectively, so that the result for retrieval of whole search engine all meets user's request more.
Please refer to Fig. 3, Fig. 3 is the schematic flow sheet of the embodiment two of the method among the present invention the ordering of result for retrieval item adjusted.As shown in Figure 3, this embodiment comprises:
Step S201: obtain the evaluation that login user is made the matching degree between result for retrieval item and the search key.
Step S202: according to the weight order of this result for retrieval item of design develop under this login user of this login user.
Step S203: when this login user is retrieved with this search key, according to weight order deterministic retrieval result items the putting in order in back page under this login user after adjusting.
The below is specifically introduced above-mentioned steps.
Login user in the present embodiment, referring to one has log-on message in system, and the online user by verifying.The mode and the step S101 among the embodiment one that obtain the evaluation that login user makes the matching degree between result for retrieval item and the search key among the step S201 are similarly, in this no longer repeat specification.
Among the step S202, the weight order of result for retrieval item under login user refers in each weight order that the ordering to the result for retrieval item exerts an influence, the weight order of being determined by login user.For example login user A evaluation that the matching degree between result for retrieval item 1 and " Baidu " is carried out is to recommend, then correspondingly heighten the weight order of result for retrieval item under login user A among the step S202, like this, in step S203, login user A is with " Baidu " when retrieving, utilize formula (1) just can obtain result for retrieval item 1 putting in order in the page that returns to user A, wherein a w in the formula (1)
iValue be exactly the weight order of result for retrieval item under login user A.
Further, in step S201, can also obtain further the period that login user is made evaluation in the present embodiment.Corresponding with it, step S202 comprises: according to the design develop of login user result for retrieval item weight order under login user in the above-mentioned period.Corresponding with it, step S203 comprises: when login user was retrieved with search key within the above-mentioned period, according to weight order deterministic retrieval result items the putting in order in back page under the login user after adjusting.
For example, login user A is to recommend in working hour to the evaluation between result for retrieval item 1 and " Apple Computers ", then will heighten the weight order w of result for retrieval item 1 under login user A in working hour among the step S202
i, like this, among the step S203 when login user A again within working hour with " Apple Computers " when retrieving, just can be according to the w after adjusting
iValue and utilize formula (1) deterministic retrieval result items 1 putting in order in the page that returns to login user A.
Based on similar mode, in step S201, also can obtain further the geographic position that login user is made evaluation in the present embodiment.Corresponding with it, step S202 comprises: according to the weight order of result for retrieval item under login user in the above-mentioned geographic position of the design develop of login user.Corresponding with it, step S203 comprises: when login user is retrieved with search key in above-mentioned geographic position, according to weight order deterministic retrieval result items the putting in order in back page under the login user after adjusting.Wherein, user's geographic position can be determined by the IP address.
In embodiment two, no matter what other user's evaluation is, as long as login user thinks that certain result for retrieval item is very poor, then the possibility that occurs in the middle of the later retrieval of login user of this result for retrieval item will reduce.Present embodiment has been realized the purpose of the personalized customization of Search Results by utilizing the user to the evaluation feedback of result for retrieval item.And above two kinds of embodiments that relate to period and geographic position can guarantee further that the needs of login user under different condition are satisfied in the ordering of result for retrieval item better.
The embodiment one of the inventive method mainly is the evaluating data by a large number of users, the result for retrieval item is adjusted at the weight order under the search key, thereby when the user retrieves with identical search key again, can change result for retrieval item putting in order in back page according to the weight after adjusting, be a kind of method of rational sorting of the behavior deterministic retrieval result items by the user of colony.
And embodiment has realized that second mainly by the evaluating data of login user the personalization of result for retrieval item is showed.
Please refer to Fig. 4, Fig. 4 is the structural representation block diagram of the device among the present invention the ordering of result for retrieval item adjusted.As shown in Figure 4, this device comprises: acquiring unit 301, adjustment unit 302 and sequencing unit 303.
Wherein acquiring unit 301, are used for obtaining the evaluation that more than one user makes matching degree between result for retrieval item and the search key.Adjustment unit 302 is used for according to the weight order of this result for retrieval item of design develop under this search key that obtains.Sequencing unit 303 is used for when the user retrieves with this search key, determines this result for retrieval item putting in order in back page according to the weight order under this search key after adjusting.
Please refer to Fig. 5, Fig. 5 is the structural representation block diagram of the embodiment of acquiring unit among the present invention.Particularly, acquiring unit 301 comprises: retrieval unit 3011, receiving element 3012, judging unit 3013 and determining unit 3014.Wherein retrieval unit 3011, are used for returning to the user according to search key the page of the opinion rating that comprises result for retrieval item and result for retrieval item correspondence.Receiving element 3012 is used for receiving the selection that the user makes in each opinion rating.Judging unit 3013 is used for judging whether user selection is effective.Determining unit 3014 is used for when judging unit 3013 judges that user selections are effective, the evaluation that the opinion rating of selection is made matching degree between result for retrieval item and the search key as the user.
Wherein judging unit 3013 judges that user's selection is effective when one of meeting the following conditions at least:
Condition one: the user clicked the result for retrieval item and surpassed the first critical value in the time that the page of this result for retrieval item correspondence stops before making a choice; Perhaps
Condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
Particularly, the mode of the weight order of adjustment unit 302 adjustment result for retrieval items under corresponding search key comprises:
In the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of described result for retrieval item under described search key; In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of described result for retrieval item under described search key.
In addition, adjustment unit 302 also can be according to the adjustment increment of the weight order of following formula deterministic retrieval result items under corresponding search key, so that the weight order under the corresponding search key is adjusted:
According to another embodiment, device of the present invention further also can comprise: malice page determining unit (not shown), be used for when the result for retrieval item is surpassing weight order under the search key of setting number and all is lower than the 5th critical value, the page of result for retrieval item correspondence is defined as the maliciously page.
According to another embodiment, device of the present invention further also can comprise: malicious websites determining unit (not shown), being used for comprising maliciously, the quantity of the page surpasses the website of the 6th critical value as malicious websites.
In addition, in another embodiment of apparatus of the present invention, acquiring unit 301 is used for obtaining the evaluation that login user is made the matching degree between result for retrieval item and the search key.Adjustment unit 302 is used for the weight order of design develop result for retrieval item under login user according to login user.Sequencing unit 303 is used for when login user is retrieved with search key, according to weight order deterministic retrieval result items the putting in order in back page under the login user after adjusting.
Particularly, in this embodiment, acquiring unit 301 also can be further used for obtaining the period that login user is made evaluation.Corresponding with it, the mode that adjustment unit 302 is adjusted weight orders comprises: according to the design develop of login user result for retrieval item weight order under login user in the above-mentioned period.Corresponding with it, the mode that put in order of sequencing unit 303 deterministic retrieval result items in back page comprises: when login user was retrieved with search key within the above-mentioned period, according to weight order deterministic retrieval result items the putting in order in back page under the login user after adjusting.
Particularly, in this embodiment, acquiring unit 301 also can be further used for obtaining the geographic position that login user is made evaluation.Corresponding with it, the mode that adjustment unit 302 is adjusted weight orders comprises: according to the weight order of result for retrieval item under login user in the above-mentioned geographic position of the design develop of login user.Corresponding with it, the mode that put in order of sequencing unit 303 deterministic retrieval result items in back page comprises: when login user is retrieved with search key in above-mentioned geographic position, according to weight order deterministic retrieval result items the putting in order in back page under the login user after adjusting.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (22)
1. method that the ordering of result for retrieval item is adjusted comprises:
A. obtain the evaluation that more than one user makes matching degree between result for retrieval item and the search key;
B. according to the weight order of the described result for retrieval item of design develop under described search key that obtains;
C. when the user retrieves with described search key, determine described result for retrieval item putting in order in back page according to the weight order under the described search key after adjusting.
2. method according to claim 1 is characterized in that, described steps A comprises:
A1. return the page of the opinion rating that comprises result for retrieval item and described result for retrieval item correspondence to the user according to search key;
A2. receive the selection that the user makes in each opinion rating;
A3. judge whether described selection is effective, if so, the evaluation of then opinion rating of selecting being made matching degree between described result for retrieval item and the described search key as the user.
3. method according to claim 2 is characterized in that, in the described steps A 3, when one of meeting the following conditions at least, judges that described selection is effective:
Condition one: the user clicked described result for retrieval item and surpassed the first critical value in the time that the page of described result for retrieval item correspondence stops before making a choice; Perhaps
Condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
4. method according to claim 2 is characterized in that, described step B comprises:
In the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of described result for retrieval item under described search key;
In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of described result for retrieval item under described search key.
5. method according to claim 2 is characterized in that, among the described step B, determines the adjustment increment of the weight order of described result for retrieval item under described search key according to following formula:
6. according to claim 4 or 5 described methods, it is characterized in that described method further comprises:
When the weight order of described result for retrieval item under surpass setting the search key of number all is lower than the 5th critical value, the page of described result for retrieval item correspondence is defined as the malice page.
7. method according to claim 6 is characterized in that, described method further comprises:
The quantity that will comprise the malice page surpasses the website of the 6th critical value as malicious websites.
8. method according to claim 1 is characterized in that, described step B further comprises:
Determine the same class keywords of described search key, and according to the described result for retrieval item of the design develop that obtains described with the weight order under the class keywords; And,
Described step C further comprises: when the user with described when retrieving with class keywords, determine described result for retrieval item putting in order in back page according to described after adjusting with the weight order under the class keywords.
9. method that the ordering of result for retrieval item is adjusted comprises:
A. obtain the evaluation that login user is made the matching degree between result for retrieval item and the search key;
B. according to the weight order of the described result for retrieval item of the design develop of described login user under described login user;
C. when described login user is retrieved with described search key, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
10. method according to claim 9 is characterized in that, described steps A further comprises: obtain the period that described login user is made evaluation; And,
Described step B comprises: according to the design develop of described login user described result for retrieval item weight order under described login user in the described period; And,
Described step C comprises: when described login user was retrieved with described search key within the described period, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
11. method according to claim 9 is characterized in that, described steps A further comprises: obtain the geographic range that described login user is made evaluation; And,
Described step B comprises: according to the weight order of described result for retrieval item under described login user in the described geographic range of the design develop of described login user; And,
Described step C comprises: when described login user is retrieved with described search key in described geographic range, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
12. the device that the ordering of result for retrieval item is adjusted comprises:
Acquiring unit is used for obtaining the evaluation that more than one user makes matching degree between result for retrieval item and the search key;
Adjustment unit is used for according to the weight order of the described result for retrieval item of design develop under described search key that obtains;
Sequencing unit is used for when the user retrieves with described search key, determines described result for retrieval item putting in order in back page according to the weight order under the described search key after adjusting.
13. device according to claim 12 is characterized in that, described acquiring unit comprises:
Retrieval unit is for the page that returns the opinion rating that comprises result for retrieval item and described result for retrieval item correspondence according to search key to the user;
Receiving element is used for receiving the selection that the user makes in each opinion rating;
Judging unit is used for judging whether described selection is effective;
Determining unit is used for when the described selection of described judgment unit judges is effective, the evaluation that the opinion rating of selection is made matching degree between described result for retrieval item and the described search key as the user.
14. device according to claim 13 is characterized in that, described judging unit judges that described selection is effective when one of meeting the following conditions at least:
Condition one: the user clicked described result for retrieval item and surpassed the first critical value in the time that the page of described result for retrieval item correspondence stops before making a choice; Perhaps
Condition two: IP address corresponding to user is no more than the second critical value to the evaluation of described result for retrieval item.
15. device according to claim 13 is characterized in that, the mode that described adjustment unit is adjusted the weight order of described result for retrieval item under described search key comprises:
In the evaluation of obtaining, when low-grade evaluation proportion surpasses the 3rd critical value, reduce the weight order of described result for retrieval item under described search key;
In the evaluation of obtaining, when high-grade evaluation proportion surpasses the 4th critical value, improve the weight order of described result for retrieval item under described search key.
16. device according to claim 13 is characterized in that, described adjustment unit is determined the adjustment increment of the weight order of described result for retrieval item under described search key according to following formula:
17. according to claim 15 or 16 described devices, it is characterized in that described device further comprises:
Malice page determining unit is used for when described result for retrieval item is surpassing weight order under the search key of setting number and all is lower than the 5th critical value, and the page of described result for retrieval item correspondence is defined as the maliciously page.
18. device according to claim 17 is characterized in that, described device further comprises:
The malicious websites determining unit, being used for comprising maliciously, the quantity of the page surpasses the website of the 6th critical value as malicious websites.
19. device according to claim 12 is characterized in that, described adjustment unit is further used for determining the same class keywords of described search key, and according to the described result for retrieval item of the design develop that obtains described with the weight order under the class keywords; And,
Described sequencing unit be further used for when the user with described when retrieving with class keywords, determine described result for retrieval item putting in order in back page according to described after adjusting with the weight order under the class keywords.
20. the device that the ordering of result for retrieval item is adjusted comprises:
Acquiring unit is used for obtaining the evaluation that login user is made the matching degree between result for retrieval item and the search key;
Adjustment unit is used for according to the weight order of the described result for retrieval item of the design develop of described login user under described login user;
Sequencing unit is used for when described login user is retrieved with described search key, determines described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
21. device according to claim 20 is characterized in that, described acquiring unit is further used for obtaining the period that described login user is made evaluation; And,
The mode that described adjustment unit is adjusted weight order comprises: according to the design develop of described login user described result for retrieval item weight order under described login user in the described period; And,
Described sequencing unit determines that the mode that put in order of described result for retrieval item in back page comprises: when described login user was retrieved with described search key within the described period, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
22. device according to claim 20 is characterized in that, described acquiring unit is further used for obtaining the geographic range that described login user is made evaluation; And,
The mode that described adjustment unit is adjusted weight order comprises: according to the weight order of described result for retrieval item under described login user in the described geographic range of the design develop of described login user; And,
Described sequencing unit determines that the mode that put in order of described result for retrieval item in back page comprises: when described login user is retrieved with described search key in described geographic range, determine described result for retrieval item putting in order in back page according to the weight order under the described login user after adjusting.
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