CN103942257A - Video search method and device - Google Patents
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- CN103942257A CN103942257A CN201410103251.2A CN201410103251A CN103942257A CN 103942257 A CN103942257 A CN 103942257A CN 201410103251 A CN201410103251 A CN 201410103251A CN 103942257 A CN103942257 A CN 103942257A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/7867—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title and artist information, manually generated time, location and usage information, user ratings
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Abstract
The invention aims to provide a video search method and device. One-way relevancy between each video tag and a video tag relevant to the video tag is acquired through calculation, and candidate video tags correspondingly to the selected video tags and a video search result are updated according to the video tags selected by a user, wherein the candidate video tags comprise other video tags, and the one-way relevancy between the other video tags and at least one of the video tags selected by the user is larger than a preset threshold value; then the updated candidate video tags and the updated video search result are provided for the user. According to the video search scheme, on one hand, an existing mode that the videos are classified and searched for based on dimensionality is changed; on the other hand, the candidate video tags are continuously and dynamically updated according to the video tags selected by the user, the user can further select the candidate video tags to conduct multiple times of search, and the search requirements of the user can be accurately met step by step.
Description
Technical field
The present invention relates to Internet technical field, relate in particular to a kind of technology of video search.
Background technology
Current, some video website and search engine all can be user the service of video being searched for based on video tab are provided, and watch for user the video that video search result is corresponding, or understand the relevant details of video.
Fig. 1 illustrates the example that video is searched for.
As shown in Figure 1, user can search for video according to different dimensions, described dimension generally includes type, age, area etc., but, based on this mode, user only can select a video tab in this dimension to search for video under each dimension, and this obviously cannot meet user's video search demand as a rule, thereby user's experience is poor.
Summary of the invention
The object of this invention is to provide a kind of method and apparatus of video search.
According to an aspect of the present invention, provide a kind of method of video search, the method comprises:
-calculate video tab unidirectional degree of correlation of each in other multiple associated video labels relatively, to obtain each and the unidirectional degree of correlation of its associated video label in multiple video tabs;
-according to the video tab of described user's selection, upgrade candidate video tab and the video search result corresponding with described video tab, described candidate's video tab comprise with described video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold;
-the candidate's video tab after described renewal and video search result are offered to described user.
According to another aspect of the present invention, also provide a kind of device of video search, this device comprises:
For calculating relatively each the unidirectional degree of correlation of other multiple associated video labels of a video tab, to obtain the device of the unidirectional degree of correlation of each and its associated video label in multiple video tabs;
For the video tab of selecting according to described user, upgrade the candidate video tab corresponding with described video tab and the device of video search result, described candidate's video tab comprise with described video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold;
For the candidate's video tab after described renewal and video search result being offered to described user's device.
Compared with prior art, the present invention obtains each and the unidirectional degree of correlation of its associated video label in multiple video tabs by calculating, and then the video tab of selecting according to user, upgrade with this (etc.) corresponding candidate's video tab and the video search result of video tab, wherein, candidate's video tab comprise with user-selected video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold, subsequently, candidate's video tab and video search result after upgrading are offered to user.According to the scheme of video search of the present invention, on the one hand, build the contact between video tab by the unidirectional degree of correlation, break the existing mode of video being classified and being searched for based on dimension; On the other hand, constantly dynamically updating candidate's video tab according to user-selected video tab, further select candidate's video tab repeatedly to search for for user, can be accurately its search need of user step by step; Again on the one hand, user-selected video tab quantity is more, and the quantity of video search result simultaneously with these video tabs is fewer, thus the video that can help quickly user to find its hope to watch.
Brief description of the drawings
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 exemplarily illustrates the schematic diagram of in prior art, video being searched for;
Fig. 2 illustrates according to the method flow diagram of the video search of one aspect of the invention;
Fig. 3 illustrates the device schematic diagram of video search according to a further aspect of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Can realizing alternately by the network equipment and subscriber equipment to the search of video in the present invention.Particularly, the unidirectional degree of correlation of each in relative other the multiple associated video labels of video tab of network device computes, to obtain the unidirectional degree of correlation of each the associated video label each with it in multiple video tabs; Then, the video tab that the network equipment is selected according to user, upgrade candidate video tab and the video search result corresponding with selected video tab, candidate's video tab comprise with user-selected video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold; Subsequently, candidate's video tab and video search result after upgrading are offered user by the network equipment.
At this, subscriber equipment includes but not limited to any electronic product that can carry out man-machine interaction by input equipments such as keyboard, touch pad and voice-operated devices with user, such as computing machine, mobile phone, smart mobile phone, PDA, panel computer etc.
At this, the network equipment includes but not limited to the cloud that network host, single network server, multiple webserver set or multiple server form.At this, cloud is made up of a large amount of main frames based on cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is the one of Distributed Calculation, the super virtual machine being made up of the loosely-coupled set of computers of a group.
Further, in the present invention, multiple network equipments can be used as entirety or by subnetwork equipment wherein, are even installed on the specific device in one or more network equipments, as video searching apparatus, come carry out mutual and search for video with subscriber equipment.If no special instructions, the network equipment and video searching apparatus are equal to use herein.
Fig. 2 is the method flow diagram according to one aspect of the invention, and subscriber equipment shown in it and the network equipment are realized the process of video search alternately.Particularly, in step S1, the network equipment 1 calculates the relatively unidirectional degree of correlation of each in other multiple associated video labels of a video tab, to obtain each and the unidirectional degree of correlation of its associated video label in multiple video tabs; In step S2, the video tab that the network equipment 1 is selected according to user, upgrade candidate video tab and the video search result corresponding with selected video tab, candidate's video tab comprise with selected video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold; In step S3, candidate's video tab and video search result after upgrading are offered described user by the network equipment 1.
Particularly, in step S1, the network equipment 1 calculates the relatively unidirectional degree of correlation of each in other multiple associated video labels of a video tab, to obtain each and the unidirectional degree of correlation of its associated video label in multiple video tabs.
Wherein, video includes but not limited to the image files such as film, TV play, animation, variety show.
Video tab refers to, can describe the keyword of video features information.Particularly, director, the performer of video described, the keyword of showing the characteristic information such as date, the story of a play or opera all can be used as video tab, as " Feng little Gang ", " Ge You ", " 2013 ", " good-looking ", " action ", " comedy ", " making laughs " etc.
Normal conditions, user or video management personnel can, by the mode that video is marked, add the video tab that video is corresponding.Alternately, the word content that the network equipment 1 also can descriptive statistics video, as video profile or user comment, using high frequency vocabulary wherein as video tab corresponding to video.
Associated video label refers to have the video tab of relevance.In the time that multiple video tabs occur jointly, as, in the webpage of introduction " private customized ", following video tab occurs jointly, " 2013 ", " Feng little Gang ", " Ge You ", " white lily ", " comedy ", " Wang Shuo ", these video tabs can be considered to belong to associated video label.
The network equipment 1 can calculate based on many algorithms, upper example continues, the network equipment 1 calculates " 2013 " respectively relative " Feng little Gang ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of " Wang Shuo ", then, the network equipment 1 calculates " Feng little Gang " respectively relative " 2013 ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of " Wang Shuo ", by that analogy, by repeatedly calculating, the network equipment 1 can obtain " 2013 ", " Feng little Gang ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of each video tab and its associated video label in " Wang Shuo " these video tabs, for example, as shown in table 1.
Table 1
Wherein, video tab statistics occurrence number that the unidirectional degree of correlation of an associated video label of this video tab can be based on this video tab relatively and both statistics co-occurrence number of times are determined.
Wherein, described statistics occurrence number refers to, video tab is at the total degree occurring for the source data of adding up; Described statistics co-occurrence number of times refers to, the total degree of video tab and its associated video label co-occurrence in source data.
Described source data can be for to have any data content of one or more video tabs, as introduce the webpage of video, or carry out the search sequence of video search.For example, introduce in the webpage of video and can be used as video tab for the various keywords of describing video.And for example, the searched key word carrying out in the search sequence of video search also can be used as video tab.
For example, in 1000 webpages, have 800 webpages to have video tab " U.S. ", have 600 webpages to have video tab " science fiction ", the webpage that two video tabs have has 200.Therefore, the statistics occurrence number of " U.S. " is 800, the statistics occurrence number of " science fiction " is 600, the statistics co-occurrence number of times of " U.S. " and " science fiction " is 200, " U.S. " relatively the unidirectional degree of correlation of " science fiction " is 200/800=0.25, and " science fiction " relatively the unidirectional degree of correlation of " U.S. " be 200/600=0.33.
Those skilled in the art will be understood that, the network equipment 1 obtains the step of the unidirectional degree of correlation of video tab and its associated video label should carry out at least in part before step S2, for providing video tab selected with it corresponding candidate's video tab according to the unidirectional degree of correlation to user in subsequent step, but, along with the variation of source data, as the change of web page contents or increase, even after the unidirectional degree of correlation before the network equipment 1 basis provides candidate's video tab to user, the network equipment 1 also can upgrade the unidirectional degree of correlation of video tab and its associated video label, or increase new video tab, and obtain the unidirectional degree of correlation of this new video label and its associated video label, and the unidirectional degree of correlation of other video tabs and this new video label, with after user video search procedure according to the video tab after upgrading and relatively the unidirectional degree of correlation of associated video label provide candidate video tab to user.
The mode that the network equipment 1 upgrades the unidirectional degree of correlation of video tab and its associated video label includes but not limited to following 2 kinds:
1) periodically upgrade.
For example, the network equipment 1 can, every one relatively-stationary period, as 24 hours, once be added up source data, to upgrade to video tab and with the unidirectional degree of correlation of associated video label.
2) answer event to upgrade.
For example, in the time new source data being detected, as there is introducing the webpage of the film of newly showing, the network equipment 1 can be added up the video tab in this webpage, to upgrade to video tab and with the unidirectional degree of correlation of associated video label.
Above step can be carried out under line, and step subsequently will be carried out in real time in the process of user search video.
In step S2, the video tab that the network equipment 1 is selected according to user, upgrade candidate video tab and the video search result corresponding with selected video tab, wherein, candidate's video tab comprise with selected video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold.In step S3, candidate's video tab and video search result after upgrading are offered user by the network equipment 1.
Those skilled in the art will be understood that above-mentioned steps S2 and step S3 can repeatedly carry out, and to dynamically update candidate's video tab and video search result, thereby assisting users is by the video of repeatedly searching for to find its hope to watch.
According to one embodiment of present invention, in video search webpage, provide video tab to user, select these video tabs to search for video for user, as the video tabs such as " science fiction ", " action ", " emotion ", " Hong Kong and Taiwan " are provided.Preferably, different dimensions that also can be based under video tab in video search webpage, video tab is classified, for example, the video tab that belongs to age dimension includes but not limited to " 2013 ", " 2012 ", " 2011 " etc., the video tab that belongs to story of a play or opera dimension includes but not limited to " science fiction ", " action ", " emotion " etc., and the video tab that belongs to performer's dimension includes but not limited to " Liu Dehua ", " Zheng Xiuwen " etc.When user's browsing page, and while selecting video tab " science fiction ", the subscriber equipment 2 that user uses sends inquiry request to the network equipment 1, and this inquiry request comprises " science fiction " this video tab.Then, the network equipment 1 is according to inquiring about video database by " science fiction " video tab, and the video will with this " science fiction " video tab is as video search result, as " escaping unnoticed ", " terrestrial attraction " etc., in described video database, preserve the corresponding relation of video and video tab; The network equipment 1 also obtains other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " as candidate's video tab, as " future ", " action ", " risk ", " U.S. ", " robot " etc.Subsequently, obtained candidate's video tab and video search result are sent to subscriber equipment 2 by the network equipment 1; Subsequently, the corresponding part of subscriber equipment 2 in this video search webpage loads aforementioned content, as provide to user before video tab region below present candidate's video tab, below candidate's video tab region of living in, present video search result, browse/select video search result and candidate's video tab for user.
Further, the network equipment 1 also can upgrade candidate's video tab in conjunction with the video tab of user preference.
Wherein, the network equipment 1 can the selection based on user be determined the video tab of its preference, as can be directly provided multiple video tabs to select the video tab of its preference for user.Or the video that the network equipment 1 also can be based on user institute preference, adds up the video tab that these videos have, the video tab that occurrence number is wherein greater than to predetermined threshold is defined as the video tab of user preference.
The network equipment 1 can be stored in the video tab of user preference in user's individual account, and subsequently, the user name that the network equipment 1 can be based on user or cookie ID transfer the video tab of its preference.
At this, the mode that the network equipment 1 upgrades candidate's video tab in conjunction with the video tab of user preference includes but not limited to following 3 kinds:
1) network equipment 1 obtains with the unidirectional degree of correlation of user-selected video tab and exceedes after other video tabs of predetermined threshold, check the video tab that whether comprises user preference in these video tabs, if so, by the sequence of the video tab of user preference in advance.
2) network equipment 1 obtains with the unidirectional degree of correlation of user-selected video tab and exceedes after other video tabs of predetermined threshold, together with the video tab of these video tabs and user preference as candidate's video tab.
3) network equipment 1 can be weighted the video tab of user preference, heightens the unidirectional degree of correlation of the video tab of user-selected label and these user preferences, and then improves the video tab of these user preferences as the possibility of candidate's video tab.
After search for the first time, user can select any video search result, checks its video related information or watches video; User also can continue to select candidate's video tab, further searches for video.
For example, upper example continues, user finds that the video search result corresponding with " science fiction " is nearly more than 100, be difficult to find fast it to wish the video of browsing most, and candidate's video tab comprises " future ", " action ", " risk ", " U.S. ", " robot ", " robot " wherein more meets the taste of user to video, therefore, user can select " robot " to come further video to be carried out to binary search again.
Particularly, subscriber equipment 2 sends inquiry request again to the network equipment 1, and inquiry request comprises video tab " science fiction " and " robot "; Then, video database is inquired about by video tab " science fiction " and " robot " that the network equipment 1 is selected according to user, and the video will with " science fiction " and " robot " video tab is as video search result, as " transformer ", " iron and steel is chivalrous ", " robot general mobilization " etc.; The network equipment 1 also obtain with " science fiction " and " robot " at least one the unidirectional degree of correlation exceed predetermined threshold other video tabs as candidate's video tab, as " artificial intelligence ", " future ", " redeeming the world ", " Mo Lisilamaqi ", " up to " etc.Subsequently, the network equipment 1 can be sent to subscriber equipment 2 by candidate's video tab and video search result after upgrading; Subsequently, the respective regions that subscriber equipment 2 upgrades in this video search webpage, browses video search result and the candidate's video tab after renewal for user.
User also can continue to select candidate's video tab so that video is searched for, and the process of search is identical with above-mentioned search procedure or basic identical, so locate to repeat no more.
Wherein, the mode that the network equipment 1 upgrades the candidate video tab corresponding with user-selected video tab includes but not limited to following any mode:
1) the up-to-date video tab based on user-selected upgrades.
For example, upper example continues, the video tab of the up-to-date selection of user is " robot ", the network equipment 1 can only obtain other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " robot " as candidate's video tab, if these candidate's video tabs comprise user-selected video tab, as " science fiction ", the network equipment 1 need be rejected user-selected video tab.
2) all videos label based on user-selected upgrades.
For example, the upper example that continues, the video tab that user has selected comprises " science fiction " and " robot ", the network equipment 1 can obtain other video tabs that all exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " and " robot " as candidate's video tab; Or, the network equipment 1 can arrange higher threshold value, to obtain respectively the candidate's video tab that exceedes this higher thresholds with the unidirectional degree of correlation of " science fiction ", and exceed candidate's video tab of this higher thresholds with the unidirectional degree of correlation of " robot ", and these two parts candidate video tab is offered to user together.
Preferably, those skilled in the art will be understood that, the above-mentioned the 1st) and the 2nd) plant the mode of upgrading candidate video tab and mutually do not get rid of, for example, the network equipment 1 first all videos label based on user-selected upgrades candidate's video tab, in the time of the candidate video tab lazy weight corresponding with user-selected all videos label, then a up-to-date video tab based on user-selected obtains, to supplement candidate's video tab.
Those skilled in the art will be understood that; the mode of the above-mentioned renewal candidate video tab corresponding with user-selected video tab is only for for example; the mode of other renewal candidate video tabs existing or that may occur is from now on as applicable to the present invention; also should be included in protection domain of the present invention, and be contained in this at this with way of reference.
According to a preferred embodiment of the present invention, in the present invention, the triggering of video search process can be clicked the video tab comprising in various webpages by user and triggers.For example, the homepage of video website has multiple recommendation videos conventionally, each video is with its corresponding video tab, video tab " emotion ", " Hong Kong and Taiwan " as corresponding in " peach elder sister ", video tab " science fiction ", " action " that " avenger alliance " is corresponding, user can be by selecting one of them video tab to start video search process.As user selects video tab " science fiction ", subscriber equipment 2 sends inquiry request to the network equipment 1, and inquiry request comprises video tab " science fiction "; Then, the network equipment 1 is inquired about video database according to video tab " science fiction ", and the video will with " science fiction " video tab is as video search result, as " transformer ", " iron and steel is chivalrous ", " robot general mobilization " etc.; The network equipment 1 also obtains other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " as candidate's video tab, as " artificial intelligence ", " future ", " redeeming the world ", " Mo Lisilamaqi ", " up to " etc.Subsequently, obtained candidate's video tab and video search result are integrated into a video search webpage by the network equipment 1, and this video search webpage is sent to subscriber equipment 2; Subscriber equipment 2 presents this video search webpage to user, for user's browsing video Search Results and candidate's video tab.
The present invention not only can be used for the scene as carried out video search in video website, also for carry out the scene of video search by search engine.
According to still another embodiment of the invention, in the time filling in search sequence and submit in the mutual frame that user provides at search engine, the network equipment 1 can obtain this search sequence, detect and wherein whether comprise one or more video tabs, and the video tab of selecting the video tab therefrom extracting as user.
For example, when user submits search sequence " U.S.'s action movie " to, the network equipment 1 can be selected " U.S. ", " action " video tab as user.
And for example, when user submits search sequence " good-looking film " to, the video tab that the network equipment 1 can be selected " good-looking " as user.
Alternately, the video tab that the network equipment 1 can first extract it from search sequence offers user and selects, and when user selects after video tab wherein, the first extraction element obtains the video tab that user selects.
Then, the video tab that the network equipment 1 is selected according to user upgrades candidate's video tab and video search result, and the mode of renewal is identical with aforementioned update mode or basic identical, so locate to repeat no more, and mode is by reference contained in this.
Subsequently, the network equipment 1 can be integrated into a Search Results by candidate's video tab and video search result after upgrading, and in result of page searching, offers user together with other Search Results that this Search Results is obtained with the search sequence of submitting to based on user.
For example, the upper area in this Search Results display area can present the video tab that user selects, and zone line can present candidate's video tab, and lower area can present video search result.
Those skilled in the art will be understood that the above-mentioned mode presenting is only for giving an example, and other presentation modes existing or that may occur from now on, as applicable to the present invention, also should be included in protection domain of the present invention, and are contained in this at this with way of reference.
Afterwards, user can continue to select candidate's video tab, further searches for video; Also can select arbitrary video search result, check the details of this video or watch video.
According to still a further embodiment, in the time filling in search sequence and submit in the mutual frame that user provides at search engine, the network equipment 1 extracts corresponding video search information according to predetermined video search template from user's search sequence, then, the network equipment 1 is inquired about video search information database as passed through, obtain the corresponding one or more video tabs of video search information, in described video search information database, preserve the corresponding relation of video search information and video tab.
Wherein, predetermined video search template is as " film of similar XX ", " XX is with directing a film ", " XX is with performer's film " etc.
Video search information is if title, the performer etc. of video are for the relevant information of video search.For example, when user submits search sequence " film that similar individual is customized " to, the network equipment 1 can extract video search information " private customized ", then, the network equipment 1 obtains the video tab corresponding with " private customized " by inquiry video search information database, as " Feng little Gang ", " Ge You ", " comedy " etc.
And for example, when user submits search sequence " avenger alliance is with performer's film " to, the network equipment 1 can extract video search information " avenger alliance " and " performer ", then, the network equipment 1 obtains " performer " corresponding video tab in " avenger alliance " by inquiry video search information database, as " the small gross Bert Buddhist nun of Tang ", " Chris Ai Wensi ", " Si Jiali Johnson " etc.
Subsequently, the video tab that the network equipment 1 can directly be selected video tab corresponding video search information as user.Alternately, the network equipment 1 can first offer user by video tab corresponding video search information and select, and when user selects after video tab wherein, the network equipment 1 obtains the video tab that user selects.
Afterwards, the network equipment 1 upgrades, provides candidate's video tab and video search result, and the mode of upgrading, providing is identical or basic identical with aforementioned middle renewal, the presentation mode of describing according to still another embodiment of the invention, so locate to repeat no more.
User can continue to select candidate's video tab equally, further searches for video; Also can select arbitrary video search result, check the details of this video or watch video.
Fig. 3 is device schematic diagram according to a further aspect of the present invention, a kind of by realizing alternately the device of video search with subscriber equipment shown in it, is also video searching apparatus 10.As shown in Figure 3, video searching apparatus 10 is installed in the network equipment 1, and video searching apparatus 10 comprises device 11-13.
Particularly, the unidirectional degree of correlation of each in relative other the multiple associated video labels of video tab of device 11 calculating, to obtain the unidirectional degree of correlation (for ease of distinguishing, below device 11 is called to calculation element 11) of each and its associated video label in multiple video tabs; The video tab that device 12 is selected according to user, upgrade candidate video tab and the video search result corresponding with selected video tab, candidate's video tab comprise with selected video tab at least one the unidirectional degree of correlation exceed other video tabs (for ease of distinguishing, below device 12 is called to updating device 12) of predetermined threshold; The candidate's video tab after upgrading and video search result are offered described user (for ease of distinguishing, below device 13 being called to generator 13) by device 13.
Particularly, calculation element 11 calculates the relatively unidirectional degree of correlation of each in other multiple associated video labels of a video tab, to obtain each and the unidirectional degree of correlation of its associated video label in multiple video tabs.
Wherein, video includes but not limited to the image files such as film, TV play, animation, variety show.
Video tab refers to, can describe the keyword of video features information.Particularly, director, the performer of video described, the keyword of showing the characteristic information such as date, the story of a play or opera all can be used as video tab, as " Feng little Gang ", " Ge You ", " 2013 ", " good-looking ", " action ", " comedy ", " making laughs " etc.
Normal conditions, user or video management personnel can, by the mode that video is marked, add the video tab that video is corresponding.Alternately, the word content that the network equipment 1 also can descriptive statistics video, as video profile or user comment, using high frequency vocabulary wherein as video tab corresponding to video.
Associated video label refers to have the video tab of relevance.In the time that multiple video tabs occur jointly, as, in the webpage of introduction " private customized ", following video tab occurs jointly, " 2013 ", " Feng little Gang ", " Ge You ", " white lily ", " comedy ", " Wang Shuo ", these video tabs can be considered to belong to associated video label.
Calculation element 11 can calculate based on many algorithms, upper example continues, calculation element 11 calculates " 2013 " respectively relative " Feng little Gang ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of " Wang Shuo ", then, calculation element 11 calculates " Feng little Gang " respectively relative " 2013 ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of " Wang Shuo ", by that analogy, by repeatedly calculating, calculation element 11 can obtain " 2013 ", " Feng little Gang ", " Ge You ", " white lily ", " comedy ", the unidirectional degree of correlation of each video tab and its associated video label in " Wang Shuo " these video tabs, for example, as shown in table 2.
Table 2
Wherein, video tab statistics occurrence number that the unidirectional degree of correlation of an associated video label of this video tab can be based on this video tab relatively and both statistics co-occurrence number of times are determined.
Wherein, described statistics occurrence number refers to, video tab is at the total degree occurring for the source data of adding up; Described statistics co-occurrence number of times refers to, the total degree of video tab and its associated video label co-occurrence in source data.
Described source data can be for to have any data content of one or more video tabs, as introduce the webpage of video, or carry out the search sequence of video search.For example, introduce in the webpage of video and can be used as video tab for the various keywords of describing video.And for example, the searched key word carrying out in the search sequence of video search also can be used as video tab.
For example, in 1000 webpages, have 800 webpages to have video tab " U.S. ", have 600 webpages to have video tab " science fiction ", the webpage that two video tabs have has 200.Therefore, the statistics occurrence number of " U.S. " is 800, the statistics occurrence number of " science fiction " is 600, the statistics co-occurrence number of times of " U.S. " and " science fiction " is 200, " U.S. " relatively the unidirectional degree of correlation of " science fiction " is 200/800=0.25, and " science fiction " relatively the unidirectional degree of correlation of " U.S. " be 200/600=0.33.
Those skilled in the art will be understood that, calculation element 11 carries out before obtaining the operation that the step of the unidirectional degree of correlation of video tab and its associated video label should carry out at updating device 12 at least in part, provides video tab selected with it corresponding candidate's video tab for follow-up by updating device 12 according to the unidirectional degree of correlation to user, but, along with the variation of source data, as the change of web page contents or increase, even updating device 12 and generator 13 according to before the unidirectional degree of correlation determine candidate's video tab and after user provides, calculation element 11 also can upgrade the unidirectional degree of correlation of video tab and its associated video label, or increase new video tab, and obtain the unidirectional degree of correlation of this new video label and its associated video label, and the unidirectional degree of correlation of other video tabs and this new video label, with after user video search procedure in provide candidate video tab according to the video tab after upgrading and the unidirectional degree of correlation of relative associated video label thereof to user by updating device 12 and generator 13.
The mode that calculation element 11 upgrades the unidirectional degree of correlation of video tab and its associated video label includes but not limited to following 2 kinds:
1) periodically upgrade.
For example, calculation element 11 can, every one relatively-stationary period, as 24 hours, once be added up source data, to upgrade to video tab and with the unidirectional degree of correlation of associated video label.
2) answer event to upgrade.
For example, in the time new source data being detected, as there is introducing the webpage of the film of newly showing, calculation element 11 can be added up the video tab in this webpage, to upgrade to video tab and with the unidirectional degree of correlation of associated video label.
The operation of being carried out by calculation element 11 above can be carried out under line, and the operation of being carried out by updating device 12 and generator 13 subsequently will be carried out in real time in the process of user search video.
Particularly, the video tab that updating device 12 is selected according to user, upgrade candidate video tab and the video search result corresponding with selected video tab, wherein, candidate's video tab comprise with selected video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold.Candidate's video tab and video search result after upgrading are offered user by generator 13.
Those skilled in the art will be understood that above-mentioned updating device 12 and generator 13 can repeatedly carry out its respective operations, and to dynamically update candidate's video tab and video search result, thereby assisting users is by the video of repeatedly searching for to find its hope to watch.
According to one embodiment of present invention, in video search webpage, provide video tab to user, select these video tabs to search for video for user, as the video tabs such as " science fiction ", " action ", " emotion ", " Hong Kong and Taiwan " are provided.Preferably, different dimensions that also can be based under video tab in video search webpage, video tab is classified, for example, the video tab that belongs to age dimension includes but not limited to " 2013 ", " 2012 ", " 2011 " etc., the video tab that belongs to story of a play or opera dimension includes but not limited to " science fiction ", " action ", " emotion " etc., and the video tab that belongs to performer's dimension includes but not limited to " Liu Dehua ", " Zheng Xiuwen " etc.When user's browsing page, and while selecting video tab " science fiction ", the subscriber equipment 2 that user uses sends inquiry request to the network equipment 1, and this inquiry request comprises " science fiction " this video tab.Then, the updating device 12 of the network equipment 1 is according to inquiring about video database by " science fiction " video tab, and the video will with this " science fiction " video tab is as video search result, as " escaping unnoticed ", " terrestrial attraction " etc., in described video database, preserve the corresponding relation of video and video tab; Updating device 12 also obtains other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " as candidate's video tab, as " future ", " action ", " risk ", " U.S. ", " robot " etc.Subsequently, obtained candidate's video tab and video search result are sent to subscriber equipment 2 by the generator 13 of the network equipment 1; Subsequently, the corresponding part of subscriber equipment 2 in this video search webpage loads aforementioned content, as provide to user before video tab region below present candidate's video tab, below candidate's video tab region of living in, present video search result, browse/select video search result and candidate's video tab for user.
Further, updating device 12 also can upgrade candidate's video tab in conjunction with the video tab of user preference.
Wherein, other devices of updating device 12 or the network equipment 1 can the selection based on user be determined the video tab of its preference, as can be directly provided multiple video tabs to select the video tab of its preference for user.Or the video that other devices of updating device 12 or the network equipment 1 also can be based on user institute preference, adds up the video tab that these videos have, the video tab that occurrence number is wherein greater than to predetermined threshold is defined as the video tab of user preference.
Other devices of updating device 12 or the network equipment 1 can be stored in the video tab of user preference in user's individual account, and subsequently, the user name that updating device 12 can be based on user or cookie ID transfer the video tab of its preference.
At this, the mode that updating device 12 upgrades candidate's video tab in conjunction with the video tab of user preference includes but not limited to following 3 kinds:
1) updating device 12 obtains with the unidirectional degree of correlation of user-selected video tab and exceedes after other video tabs of predetermined threshold, check the video tab that whether comprises user preference in these video tabs, if so, by the sequence of the video tab of user preference in advance.
2) updating device 12 obtains with the unidirectional degree of correlation of user-selected video tab and exceedes after other video tabs of predetermined threshold, together with the video tab of these video tabs and user preference as candidate's video tab.
3) updating device 12 can be weighted the video tab of user preference, heightens the unidirectional degree of correlation of the video tab of user-selected label and these user preferences, and then improves the video tab of these user preferences as the possibility of candidate's video tab.
After search for the first time, user can select any video search result, checks its video related information or watches video; User also can continue to select candidate's video tab, further searches for video.
For example, upper example continues, user finds that the video search result corresponding with " science fiction " is nearly more than 100, be difficult to find fast it to wish the video of browsing most, and candidate's video tab comprises " future ", " action ", " risk ", " U.S. ", " robot ", " robot " wherein more meets the taste of user to video, therefore, user can select " robot " to come further video to be carried out to binary search again.
Particularly, subscriber equipment 2 sends inquiry request again to the network equipment 1, and inquiry request comprises video tab " science fiction " and " robot "; Then, video database is inquired about by video tab " science fiction " and " robot " that the updating device 12 of the network equipment 1 is selected according to user, and the video will with " science fiction " and " robot " video tab is as video search result, as " transformer ", " iron and steel is chivalrous ", " robot general mobilization " etc.; Updating device 12 also obtain with " science fiction " and " robot " at least one the unidirectional degree of correlation exceed predetermined threshold other video tabs as candidate's video tab, as " artificial intelligence ", " future ", " redeeming the world ", " Mo Lisilamaqi ", " up to " etc.Subsequently, the generator 13 of the network equipment 1 can be sent to subscriber equipment 2 by candidate's video tab and video search result after upgrading; Subsequently, the respective regions that subscriber equipment 2 upgrades in this video search webpage, browses video search result and the candidate's video tab after renewal for user.
User also can continue to select candidate's video tab so that video is searched for, and the process of search is identical with above-mentioned search procedure or basic identical, so locate to repeat no more.
Wherein, the mode that updating device 12 upgrades the candidate video tab corresponding with user-selected video tab includes but not limited to following any mode:
1) the up-to-date video tab based on user-selected upgrades.
For example, upper example continues, the video tab of the up-to-date selection of user is " robot ", updating device 12 can only obtain other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " robot " as candidate's video tab, if these candidate's video tabs comprise user-selected video tab, as " science fiction ", updating device 12 need be rejected user-selected video tab.
2) all videos label based on user-selected upgrades.
For example, the upper example that continues, the video tab that user has selected comprises " science fiction " and " robot ", updating device 12 can obtain other video tabs that all exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " and " robot " as candidate's video tab; Or, updating device 12 can arrange higher threshold value, to obtain respectively the candidate's video tab that exceedes this higher thresholds with the unidirectional degree of correlation of " science fiction ", and exceed candidate's video tab of this higher thresholds with the unidirectional degree of correlation of " robot ", and these two parts candidate video tab is offered to user together.
Preferably, those skilled in the art will be understood that, the above-mentioned the 1st) and the 2nd) plant the mode of upgrading candidate video tab and mutually do not get rid of, for example, the updating device 12 first all videos label based on user-selected upgrades candidate's video tab, in the time of the candidate video tab lazy weight corresponding with user-selected all videos label, then a up-to-date video tab based on user-selected obtains, to supplement candidate's video tab.
Those skilled in the art will be understood that; the mode of the above-mentioned renewal candidate video tab corresponding with user-selected video tab is only for for example; the mode of other renewal candidate video tabs existing or that may occur is from now on as applicable to the present invention; also should be included in protection domain of the present invention, and be contained in this at this with way of reference.
According to a preferred embodiment of the present invention, in the present invention, the triggering of video search process can be clicked the video tab comprising in various webpages by user and triggers.For example, the homepage of video website has multiple recommendation videos conventionally, each video is with its corresponding video tab, video tab " emotion ", " Hong Kong and Taiwan " as corresponding in " peach elder sister ", video tab " science fiction ", " action " that " avenger alliance " is corresponding, user can be by selecting one of them video tab to start video search process.As user selects video tab " science fiction ", subscriber equipment 2 sends inquiry request to the network equipment 1, and inquiry request comprises video tab " science fiction "; Then, the updating device 12 of the network equipment 1 is inquired about video database according to video tab " science fiction ", and the video will with " science fiction " video tab is as video search result, as " transformer ", " iron and steel is chivalrous ", " robot general mobilization " etc.; Updating device 12 also obtains other video tabs that exceed predetermined threshold with the unidirectional degree of correlation of " science fiction " as candidate's video tab, as " artificial intelligence ", " future ", " redeeming the world ", " Mo Lisilamaqi ", " up to " etc.Subsequently, obtained candidate's video tab and video search result are integrated into a video search webpage by the generator 13 of the network equipment 1, and this video search webpage is sent to subscriber equipment 2; Subscriber equipment 2 presents this video search webpage to user, for user's browsing video Search Results and candidate's video tab.
The present invention not only can be used for the scene as carried out video search in video website, also for carry out the scene of video search by search engine.
According to still another embodiment of the invention, the network equipment 1 also comprises the first extraction element (Fig. 3 is not shown), in the time filling in search sequence and submit in the mutual frame that user provides at search engine, the first extraction element can obtain this search sequence, detect and wherein whether comprise one or more video tabs, and the video tab of selecting the video tab therefrom extracting as user.
For example, when user submits search sequence " U.S.'s action movie " to, the first extraction element can be selected " U.S. ", " action " video tab as user.
And for example, when user submits search sequence " good-looking film " to, the video tab that the first extraction element can be selected " good-looking " as user.
Then, the video tab that updating device 12 is selected according to user upgrades candidate's video tab and video search result, and the mode of renewal is identical with aforementioned update mode or basic identical, so locate to repeat no more, and mode is by reference contained in this.
Subsequently, generator 13 can be integrated into a Search Results by candidate's video tab and video search result after upgrading, and in result of page searching, offers user together with other Search Results that this Search Results is obtained with the search sequence of submitting to based on user.
For example, the upper area in this Search Results display area can present the video tab that user selects, and zone line can present candidate's video tab, and lower area can present video search result.
Those skilled in the art will be understood that the above-mentioned mode presenting is only for giving an example, and other presentation modes existing or that may occur from now on, as applicable to the present invention, also should be included in protection domain of the present invention, and are contained in this at this with way of reference.
Alternately, generator 13 also can be integrated into a video search webpage by candidate's video tab and video search result after upgrading, and this video search webpage is offered to user.
Afterwards, user can continue to select candidate's video tab, further searches for video; Also can select arbitrary video search result, check the details of this video or watch video.
According to still a further embodiment, the network equipment 1 also comprises the second extraction element (Fig. 3 is not shown), in the time filling in search sequence and submit in the mutual frame that user provides at search engine, the second extraction element extracts corresponding video search information according to predetermined video search template from user's search sequence, then, the second extraction element is as passed through inquiry video search information database, obtain the corresponding one or more video tabs of video search information, in described video search information database, preserve the corresponding relation of video search information and video tab.
Wherein, predetermined video search template is as " film of similar XX ", " XX is with directing a film ", " XX is with performer's film " etc.
Video search information is if title, the performer etc. of video are for the relevant information of video search.For example, when user submits search sequence " film that similar individual is customized " to, the second extraction element can extract video search information " private customized ", then, the second extraction element obtains the video tab corresponding with " private customized " by inquiry video search information database, as " Feng little Gang ", " Ge You ", " comedy " etc.
And for example, when user submits search sequence " avenger alliance is with performer's film " to, the second extraction element can extract video search information " avenger alliance " and " performer ", then, the second extraction element obtains " performer " corresponding video tab in " avenger alliance " by inquiry video search information database, as " the small gross Bert Buddhist nun of Tang ", " Chris Ai Wensi ", " Si Jiali Johnson " etc.
Subsequently, the video tab that the second extraction element can directly be selected video tab corresponding video search information as user.Alternately, the second extraction element can first offer user by video tab corresponding video search information and select, and when user selects after video tab wherein, the second extraction element obtains the video tab that user selects.
Afterwards, updating device 12, generator 13 upgrade respectively, provide candidate's video tab and video search result, the mode upgrade, providing is identical or basic identical with aforementioned middle renewal, the presentation mode of describing according to still another embodiment of the invention, so locate to repeat no more.
User can continue to select candidate's video tab equally, further searches for video; Also can select arbitrary video search result, check the details of this video or watch video.
It should be noted that the present invention can be implemented in the assembly of software and/or software and hardware, for example, can adopt special IC (ASIC), general object computing machine or any other similar hardware device to realize.
Software program of the present invention can carry out to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, for example, and RAM storer, magnetic or CD-ROM driver or flexible plastic disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, for example, thereby as coordinate the circuit of carrying out each function or step with processor.
In addition, a part of the present invention can be applied to computer program, and for example computer program instructions, in the time that it is carried out by computing machine, by the operation of this computing machine, can call or provide the method according to this invention and/or technical scheme.And call the programmed instruction of method of the present invention, may be stored in fixing or movably in recording medium, and/or be transmitted by the data stream in broadcast or other signal bearing medias, and/or be stored in according in the working storage of the computer equipment of described programmed instruction operation.At this, according to one embodiment of present invention, it comprises a device, this device comprises storer for storing computer program instructions and the processor for execution of program instructions, wherein, in the time that this computer program instructions is carried out by this processor, trigger this device and move based on aforementioned according to the method for multiple embodiment of the present invention and/or technical scheme.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to be included in the present invention.Any Reference numeral in claim should be considered as limiting related claim.In addition, obviously other unit or step do not got rid of in " comprising " word, and odd number is not got rid of plural number.Multiple unit of stating in system claim or device also can be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (12)
1. a video searching method, wherein, the method comprises:
-calculate video tab unidirectional degree of correlation of each in other multiple associated video labels relatively, to obtain each and the unidirectional degree of correlation of its associated video label in multiple video tabs;
-according to the video tab of described user's selection, upgrade candidate video tab and the video search result corresponding with described video tab, described candidate's video tab comprise with described video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold;
-the candidate's video tab after described renewal and video search result are offered to described user.
2. method according to claim 1, wherein, described candidate's video tab upgrades based on a described user-selected up-to-date video tab.
3. method according to claim 1, wherein, described candidate's video tab upgrades based on described user-selected all videos label.
4. according to the method in any one of claims 1 to 3, wherein, the statistics occurrence number of the described unidirectional degree of correlation based on a video tab with and determine with the statistics co-occurrence number of times of associated video label.
5. according to the method described in any one in claim 1 to 4, wherein, the method also comprises:
-from described user's search sequence, extract one or more video tabs, and the video tab that described one or more video tabs are selected as described user;
Wherein, after upgrading described candidate's video tab and described video search result, the candidate's video tab after described renewal and video search result are further included in a page and offer described user.
6. according to the method described in any one in claim 1 to 4, wherein, the method also comprises:
-from described user's search sequence, extract corresponding video search information according to predetermined video search template, to obtain the corresponding one or more video tabs of described video search information, and using at least one video tab selected as described user in described one or more video tabs;
Wherein, after upgrading described candidate's video tab and described video search result, the candidate's video tab after described renewal and video search result are further included in a page and offer described user.
7. a video searching apparatus, wherein, this device comprises:
For calculating relatively each the unidirectional degree of correlation of other multiple associated video labels of a video tab, to obtain the device of the unidirectional degree of correlation of each and its associated video label in multiple video tabs;
For the video tab of selecting according to described user, upgrade the candidate video tab corresponding with described video tab and the device of video search result, described candidate's video tab comprise with described video tab at least one the unidirectional degree of correlation exceed other video tabs of predetermined threshold;
For the candidate's video tab after described renewal and video search result being offered to described user's device.
8. device according to claim 7, wherein, described candidate's video tab upgrades based on a described user-selected up-to-date video tab.
9. device according to claim 7, wherein, described candidate's video tab upgrades based on described user-selected all videos label.
10. according to the device described in any one in claim 7 to 9, wherein, the statistics occurrence number of the described unidirectional degree of correlation based on a video tab with and determine with the statistics co-occurrence number of times of associated video label.
11. according to the device described in any one in claim 7 to 10, and wherein, this device also comprises:
For extracting one or more video tabs from described user's search sequence, and the device of the video tab that described one or more video tabs are selected as described user;
Wherein, after upgrading described candidate's video tab and described video search result, the candidate's video tab after described renewal and video search result are further included in a page and offer described user.
12. according to the device described in any one in claim 7 to 10, and wherein, this device also comprises:
For extracting corresponding video search information according to predetermined video search template from described user's search sequence, to obtain the corresponding one or more video tabs of described video search information, and using the device of at least one video tab of selecting as described user in described one or more video tabs;
Wherein, after upgrading described candidate's video tab and described video search result, the candidate's video tab after described renewal and video search result are further included in a page and offer described user.
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