CN104869464B - It is a kind of to generate the method and device for recommending the rendition list - Google Patents
It is a kind of to generate the method and device for recommending the rendition list Download PDFInfo
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- CN104869464B CN104869464B CN201510234014.4A CN201510234014A CN104869464B CN 104869464 B CN104869464 B CN 104869464B CN 201510234014 A CN201510234014 A CN 201510234014A CN 104869464 B CN104869464 B CN 104869464B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4667—Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4668—Learning process for intelligent management, e.g. learning user preferences for recommending movies for recommending content, e.g. movies
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The embodiment of the present invention provides a kind of method and device for generating and recommending the rendition list, is related to electronic device field, for realizing the accuracy of program is recommended.The method includes：According at least two program characteristic informations of program, programs feature vector is generated；According to default feature vector and programs feature vector, precedence value is generated, the default feature vector includes at least two program characteristic informations；Program is ranked up according to the precedence value, obtains recommending the rendition list.
Description
Technical field
The present invention relates to electronic device field more particularly to a kind of method and devices generating recommendation the rendition list.
Background technology
With the continuous development of information technology, the popularization degree of smart television is higher and higher comprising TV programme also get over
Come more.User determines the program oneself liked, due to TV Festival when in face of a large amount of TV programme by switching channels
Mesh is excessive, is difficult to the program for determining oneself to like in a short time so as to cause user, and this frequent replacement channel searches electricity
Depending on the mode of program, user can be made to be weary of the operation to selecting TV programme gradually, to lose ornamental TV programme
Interest.
To solve the above-mentioned problems, in the prior art, the TV programme that user watched are marked in smart television, and
Classify according to program category to all TV programme after label, determine comprising the most program category of TV programme,
And the program categories most comprising TV programme determined are determined as the favorite program category of the user, to according to determination
The favorite program category of the user to user recommend same type other programs.
During above-mentioned realization, television equipment recommends program to be recommended according to program category to user, still
In the practical viewing of user, all programs for being not a certain type are all that user likes seeing, exemplary, it is assumed that according to existing
There is the label of technology, television equipment recommends war film to user, however the classification inside war film is also very much, for example, history is fought
Piece is striven, modern war piece, science fiction war film etc., not all war film user likes seeing, if user only likes seeing
History war film, and all war films are all recommended user by television equipment, then can be caused to push away due to recommending program inaccurate
The program recommended does not meet the hobby of user, cannot be satisfied user demand.
Invention content
The embodiment of the present invention provides a kind of method and device for generating and recommending the rendition list, for realizing program is recommended
Accuracy.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of method for generating and recommending the rendition list, including：
According at least two program characteristic informations of program, programs feature vector is generated；According to default feature vector and institute
Programs feature vector is stated, precedence value is generated, the default feature vector includes at least two program characteristic informations；According to institute's rheme
Sub-value is ranked up program, obtains recommending the rendition list.
On the other hand, the embodiment of the present invention provides a kind of device for generating and recommending the rendition list, including：
First generation unit generates programs feature vector at least two program characteristic informations according to program；Second
Generation unit, for according to feature vector and programs feature vector is preset, generating precedence value, the default feature vector packet
Include at least two program characteristic informations；Processing unit is recommended for being ranked up to program according to according to the precedence value
The rendition list.
The embodiment of the present invention provides a kind of method and device for generating and recommending the rendition list, and electronic equipment is first according to program
At least two program characteristic informations, generate programs feature vector, then according to preset feature vector and the programs feature to
Amount generates precedence value, and then is ranked up to program according to the precedence value, obtains recommending the rendition list.In this way, being pushed away in determination
When recommending the rendition list, only according to program category, this characteristic information obtains recommendation program in the prior art, and the application
In the programs feature vector that is got due to electronic equipment include at least two program characteristic informations, and default feature vector includes
At least two program characteristic informations, then can according at least two program characteristic informations of default feature vector and programs feature to
The matching degree of at least two program characteristic informations in amount is that program to be recommended is ranked up, and is selected and default feature vector packet
The program that the character program information included all meets carries out preferential recommendation, the big portion of character program information for including with default feature vector
The program point met takes second place recommendations, and what can more be refined classifies program so that program recommendation is more accurate.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow diagram generating the method for recommending the rendition list provided in an embodiment of the present invention；
Fig. 2 is that a kind of example of vector sum candidate program age in history program age vector provided in an embodiment of the present invention shows
It is intended to；
Fig. 3 is another flow diagram for generating the method for recommending the rendition list provided in an embodiment of the present invention；
Fig. 4 is a kind of functional schematic generating the device for recommending the rendition list provided in an embodiment of the present invention；
Fig. 5 is another functional schematic for generating the device for recommending the rendition list provided in an embodiment of the present invention；
Fig. 6 is the functional schematic for the device that the rendition list is recommended in another generation provided in an embodiment of the present invention；
Fig. 7 is the functional schematic for the device that the rendition list is recommended in another generation provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method for generating and recommending the rendition list, as shown in Figure 1, including：
Step 101, at least two program characteristic informations according to program generate programs feature vector.
Exemplary, the program can be electronic equipment or the pre-stored candidate program of video website, or all
Program to be recommended, then the program characteristic information can be the spy of electronic equipment or the pre-stored candidate program of video website
Reference ceases or the characteristic information of all programs to be recommended.The embodiment of the present invention is with the program characteristic information candidate program
Characteristic information for illustrate, i.e., at least two program characteristic informations according to program, when generating programs feature vector,
The programs feature vector can be generated according at least two characteristic informations of pre-stored candidate program.
Specifically, at least two characteristic informations according to pre-stored candidate program, generate the programs feature to
When amount, the programs feature vector includes at least two characteristic informations of candidate program；At least two of the candidate program are special
Reference breath can be corresponding at least two characteristic informations of the history program.At least two features of the candidate program are believed
Breath includes：Candidate program age vector, candidate program subject matter information and candidate program people information；The candidate program subject matter letter
Breath includes：Candidate program type information, candidate program regional information and candidate program plot information.
The candidate program age vector is according to formulaIt is determined with preset length.
In formula, the yearkFor the age value of k-th of candidate program；The δkFor k-th of candidate program
Age be worth corresponding angle；The k is the integer more than or equal to 1.
Specifically, electronic equipment obtains pre-stored at least one candidate program, and it is directed to each candidate program,
Candidate program characteristic information is obtained, that is, obtains candidate program age information, candidate program subject matter information and candidate program personage letter
Breath, and by the candidate program age information year of acquisitionkSubstitute into formulaIn, obtain candidate program year
For the corresponding angle δ of informationk, and the line on the basis of reference line, angle δ is obtained along clockwise direction or counterclockwisek, will
Obtained direction is determined as the direction of candidate program age vector, and preset length is determined as to the length of candidate program age vector
Degree obtains a candidate program age vector, is finally directed to each candidate program to be directed to each candidate program,
The combination of the candidate program subject matter information that will be got, candidate program people information and obtained candidate program age vector determines
For programs feature vector.
Example 2, it is assumed that there are three the pre-stored candidate programs of electronic equipment, respectively first candidate program, and second
A candidate program and third candidate program, the candidate program age information of first candidate program that electronic equipment obtains are
2011, the candidate program subject matter information of first candidate program included：Type information：TV play, regional information：America and Europe, it is acute
Feelings information：The candidate program people information of describing love affairs, first candidate program is：Performer A, performer D；The second candidate section obtained
Purpose candidate program age information is：2012, the candidate program subject matter information of second candidate program included：Type information：
TV play, regional information：Continent, plot information：The candidate program people information of family, second candidate program is：Performer C,
Performer D；The candidate program age information of the third candidate program of acquisition is：2013, the candidate section of third candidate program
Mesh subject matter information includes：Type information：Film, regional information：Continent, plot information：Pursue a goal with determination, the candidate of third candidate program
Program people information：Performer A, performer B.
For first candidate program, k=1, electronic equipment is by the age information year of the 1st candidate program1=2011
Year substitutes into formulaIn, if the value of N is 1980,And
The line on the basis of trunnion axis obtains 55.8 ° of angle along clockwise direction or counterclockwise in the positive direction of trunnion axis, will
To direction be determined as the direction of first candidate program age vector, unit length being determined as first candidate program age
The length of vector, then the first candidate program age vector obtained is as shown in Fig. 2, be denoted asThe top line then obtained
Feature vector isTV play, America and Europe, describing love affairs, the combination of performer A, performer D, if first candidate program subject matter information is remembered
For I1, then I1=[TV play, American-European, describing love affairs], if first candidate program people information is denoted as J1, then J1=[performer A, is drilled
Member D], obtained top line feature vector=(I1=[TV play, American-European, describing love affairs], J1=[performer A, performer D]).
For second candidate program, k=2, electronic equipment is by the age information year of the 2nd candidate program2=2012
Substitute into formulaThenAnd the line on the basis of trunnion axis,
57.6 ° of angle is obtained along clockwise direction or counterclockwise in the positive direction of trunnion axis, obtained direction is determined as the
Unit length is determined as the length of first candidate program age vector by the direction of one candidate program age vector, then
To second candidate program age vector as shown in Fig. 2, being denoted asThe second programs feature vector then obtained be
TV play, continent, family, the combination of performer C, performer D, if second candidate program subject matter information is denoted as I2, then I2=[electricity
Depending on play, continent, family], if second candidate program people information is denoted as J1, then J1=[performer C, performer D], obtained
Two programs feature vectors=(I2=[TV play, continent, family], J1=[performer C, performer D]).
For third candidate program, k=3, electronic equipment is by the age information year of the 3rd candidate program3=2013
Year substitutes into formulaThenAnd on the basis of trunnion axis
Line obtains 59.4 ° of angle along clockwise direction or counterclockwise in the positive direction of trunnion axis, obtained direction is determined as
Unit length is determined as the length of first candidate program age vector, then by the direction of first candidate program age vector
Obtained third candidate program age vector is as shown in Fig. 2, be denoted asThe third programs feature vector then obtained isFilm, continent, pursue a goal with determination, the combination of performer A, performer B, if third candidate program subject matter information is denoted as I3, then I3=
[film, continent, pursue a goal with determination], if third candidate program people information is denoted as J1, then J1=[performer A, performer B], obtained
Three programs feature vectors=(I2=[film, continent, pursue a goal with determination], J1=[performer A, performer B]).
Can not also include history program it should be noted that may include history program at least one candidate program,
The present invention is without limitation.
It should be noted that at least two characteristic informations of candidate program can also be candidate program age vector, it is candidate
Arbitrary two combinations of program subject matter information and candidate program people information, i.e. at least two characteristic information packets of candidate program
It includes：Candidate program age vector sum candidate program subject matter information, alternatively, at least two characteristic informations of candidate program include：It waits
Program age vector sum candidate program people information is selected, alternatively, at least two characteristic informations of candidate program include：Candidate program
Subject matter information and candidate program people information, the present invention are without limitation.
It should be noted that at least two spies of at least two characteristic informations of the candidate program and the history program
Reference manner of breathing corresponds to：When at least two characteristic informations of history program include history program age vector sum history program topic
In the case of material information, then at least two characteristic informations of candidate program include：Candidate program age vector sum candidate program is inscribed
Material information；When at least two characteristic informations of history program include the feelings of history program age vector sum history program people information
Under condition, then at least two characteristic informations of candidate program include：Candidate program age vector sum candidate program people information；When going through
It is in the case that at least two characteristic informations of history program include history program subject matter information and history program people information, then candidate
At least two characteristic informations of program include：Candidate program subject matter information and candidate program people information.
It should be noted that the present invention is to candidate program type information, candidate program regional information and candidate program plot
Information is not limited, for example, candidate program type information can be TV play, film, variety, amusement etc.；Candidate program
Domain information can be continent, and American-European, Hong Kong and Taiwan etc., candidate program plot information can be the youth, and family pursues a goal with determination, love, the Republic of China
Deng.
It should be noted that candidate program people information may include director, and the information such as performer and producer, the present invention couple
This is not limited.
Step 102, according to preset feature vector and the programs feature vector, generate precedence value, the default feature to
Amount includes at least two program characteristic informations.
Exemplary, the default feature vector can watch the history programs feature that record obtains according to the history of user
Vector.Specifically, can also exist first before generating precedence value according to default feature vector and programs feature vector
History programs feature vector is determined according to historical record in preset time；The history programs feature vector includes history program
At least two characteristic informations；At least two characteristic informations of the history program are believed at least two programs features of the program
Manner of breathing corresponds to, and then according to programs feature vector described in the history programs feature vector sum, generates precedence value.
Specifically, when determining history programs feature vector according to historical record in preset time, the history program is special
Sign vector includes at least two characteristic informations of history program.At least two characteristic informations of the history program include：History
Program age vector, history program subject matter information and history program people information.The history program subject matter information includes：History
Program category type information, history program regional information and history program plot information.
The history program age vector is according to formulaIt is determined with preset length.
In above-mentioned formula, the year0For the average value in the age of all history programs；The δ0For all history
The corresponding angle of average value in the age of program；The N is pre-set age value.
It should be noted that preset length can as unit of length, or non-unity length, the present invention do not do this
Limitation.
It has been watched or browsed specifically, electronic equipment obtains each user in preset time according to historical record
History program, obtain the history program age information of each history program, history program subject matter information and history program personage
Information, and the summation of all history program age information of acquisition is averaged, the age of as all history programs is averaged
Value year0, then by year0Value substitute into formulaIn, obtain being averaged for the age of all history programs
It is worth corresponding angle δ0, and the line on the basis of reference line, angle δ is obtained along clockwise direction or counterclockwise0, will obtain
Direction be determined as the direction of history program age vector, preset length being determined as to the length of history program age vector, from
And history program age vector is obtained, and all history program subject matter information that may finally will be got, all history program people
The combination of object information and obtained history program age vector is determined as history programs feature vector；The institute that can also will be got
There is subject matter information of the occurrence number more than 1 in history program subject matter information, goes out in all history program people informations got
Occurrence number is more than 1 people information, and the combination of obtained history program age vector is determined as history programs feature vector.
Example 1, it is assumed that historical record includes respectively the first history program there are three the programs that user watched, the
Two history programs and third history program, the history program age information of the first history program that electronic equipment obtains are：2010
Year, the subject matter information of the first history program includes：Type information：TV play, regional information：Continent, plot information：Describing love affairs, the
The history program people information of one history program is：Performer A, performer B；The history program age letter of the second history program obtained
Breath is：2012, the history program subject matter information of the second history program included：Type information：TV play, regional information：Continent,
Plot information：The history program people information of family, the second history program is：Performer A, performer C；The third history program of acquisition
History program age information be：2014, the history program subject matter information of third history program included：Type information：Film,
Regional information：America and Europe, plot information：The history program people information of family, third history program is：Performer A, performer B.
Then electronic equipment seeks the age 2010 first, 2012 and 2014 average value, as year0=(2010
+ 2014 years+2012 years year)/3=2012, substituted into formula by 2012In, if the value of N is
1980, thenAnd the line on the basis of trunnion axis, it is clockwise on the positive direction edge of trunnion axis
Direction counterclockwise obtains 57.6 ° of angle, and obtained direction is determined as to the direction of history program age vector, will be single
Bit length is determined as the length of history program age vector, then the history program age vector obtained is as shown in Fig. 2, be denoted as
The history programs feature vector then obtained can beTV play, film, continent, America and Europe, describing love affairs, family, performer A, performer
B, the combination of performer C, if history program subject matter information is denoted as I0, then I0=[TV play, film, continent is American-European, describing love affairs, family
Front yard], if history program people information is denoted as J0, then J0=[performer A, performer B, performer C], obtained history programs feature to
Amount=(I0=[TV play, film, continent is American-European, describing love affairs, family], J0=[performer A, performer B, performer C]).
In addition, since history program category type information is that the number that TV play occurs is more than 1 time, history program regional information is
The number that continent occurs is more than 1 time, and history program plot information is that the number that family occurs is more than 1 time, history program personage letter
Breath is that the number that performer A occurs is more than 1 time, and history program people information is that the number that performer B occurs is more than 1 time, then obtains
History program subject matter information may be I0=[TV play, continent, family], obtained history program people information may be
J0=[performer A, performer B], the history programs feature vector obtained from=(I0=[TV play, continent, family], J0=
[performer A, performer B]).
It should be noted that at least two characteristic informations of history program can also be history program age vector, history
Arbitrary two combinations of program subject matter information and history program people information, i.e. at least two characteristic information packets of history program
It includes：History program age vector sum history program subject matter information, alternatively, at least two characteristic informations of history program include：It goes through
History program age vector sum history program people information, alternatively, at least two characteristic informations of history program include：History program
Subject matter information and history program people information, the present invention are without limitation.
It should be noted that the present invention is to history program category type information, history program regional information and history program plot
Information is not limited, for example, history program category type information can be TV play, film, variety, amusement etc.；History program
Domain information can be continent, and American-European, Hong Kong and Taiwan etc., history program plot information can be the youth, and family pursues a goal with determination, love, the Republic of China
Deng.
It should be noted that history program people information may include director, and the information such as performer and producer, the present invention couple
This is not limited.
Specifically, according to programs feature vector described in the history programs feature vector sum, at least one precedence is determined
It, can be according to formula when value：
Wherein, the programs feature vector is to be generated according to the program characteristic information of candidate program, the Sk1It is k-th
The precedence value of the candidate program；The θ1、θ2、θ3It is the linear effect factor, and the θ1+θ2+θ3=1；It is describedFor institute
State history program age vector；For the candidate program age vector of k-th of candidate program；It is describedIndicate institute
State the scalar product of history program age vector and the candidate program age vector of described k-th candidate program；The len
() is to take length value；The ∩ is and operation；The I1For the history program subject matter information；The IkFor k-th of time
Select the candidate program subject matter information of program；J1For the history program people information；JkFor the candidate of k-th of candidate program
Program people information.
Example 3, obtained in example 1 history programs feature vector=(I0=[TV play, continent, family], J0=
[performer A, performer B]), obtained in example 2 first candidate program feature vector=(I1=[TV play, American-European, speech
Feelings], J1=[performer A, performer D]), second candidate program feature vector=(I2=[TV play, continent, family], J1
=[performer C, performer D]), third candidate program feature vector=(I2=[film, continent, pursue a goal with determination], J1=[performer A,
Performer B]).
Then as k=1, electronic equipment by history programs feature vector=(I0=[TV play, film, continent, Europe
U.S., describing love affairs, family] and first candidate program feature vector=(I1=[TV play, American-European, describing love affairs], J1=[performer A,
Performer D]) substitute into formula
As k=2, electronic equipment by history programs feature vector=(I0=[TV play, continent, family], J0=
[performer A, performer B]) and second candidate program feature vector=(I2=[TV play, continent, family], J1=[performer
C, performer D]) substitute into formula
As k=3, electronic equipment by history programs feature vector=(I0=[TV play, continent, family], J0=
[performer A, performer B]) and third candidate program feature vector=(I2=[film, continent, pursue a goal with determination], J1=[performer A,
Performer B]) substitute into formula
Step 103 is ranked up program according to the precedence value, obtains recommending the rendition list.
Preferably, program can be ranked up according to the descending of precedence value, or can also be according to precedence value
Ascending to be ranked up to program, the present invention is without limitation.
Specifically, being obtained in example 3S21=θ1+θ2And S31=θ1×
cos1.8°+θ2+θ3, by S11, S21And S31It is ranked up from big to small, S can be obtained11<S21<S31, this, which means that, participates in S11It calculates
First candidate program it is minimum by the favorite degree of user, participate in S31The third candidate program of calculating is by the favorite journey of user
Highest is spent, recommends the rendition list=(third candidate program, the second candidate program, the first candidate program), electronics obtained from
Equipment will recommend the rendition list to export to background management unit, so that back-stage management after getting recommendation the rendition list
Unit is shown according to the sequence for recommending the candidate program in the rendition list, and user is facilitated to watch.
It should be noted that if the number for the precedence value that electronic equipment obtains is more than the preset candidate for needing to recommend
When the number of program, the smaller corresponding candidate program of precedence value is filtered, i.e., is not listed in and recommends in the rendition list.
It should be noted that recommendation method provided by the invention is suitable for the homepage that electronic equipment is shown, homepage includes
The different pages, for example, the homepage page, the TV play page, movies page, variety page etc., and each page is divided into difference
Region, for example, subject areas, thematic area, film area etc., recommendation the rendition list that the present invention obtains can be that arbitrary region corresponds to
List.
It should be noted that the present invention is not limited the type of electronic equipment, electronic equipment can be television set, calculate
Machine, computer etc..
The embodiment of the present invention provides a kind of method for generating and recommending the rendition list, since the program that electronic equipment is got is special
Sign vector includes at least two program characteristic informations, and default feature vector includes at least two program characteristic informations, then can be with
According at least two program characteristic informations at least two program characteristic informations and programs feature vector of default feature vector
Matching degree be program to be recommended be ranked up, select and preset the section that the character program information that feature vector includes all meets
Mesh carries out preferential recommendation, and the program that the character program information for including with default feature vector largely meets takes second place recommendation, can
What is more refined classifies program so that it is more accurate that program is recommended.
The embodiment of the present invention provides a kind of method for generating and recommending the rendition list, as shown in Fig. 2, including：
201, history programs feature vector is determined according to historical record in preset time.
Wherein, the history programs feature vector includes at least two characteristic informations of history program.
Specifically, can refer to step 101, details are not described herein.
202, at least one programs feature vector is determined according to pre-stored at least one candidate program.
Wherein, the programs feature vector includes at least two characteristic informations of candidate program；The candidate program is extremely
Few two characteristic informations are corresponding at least two characteristic informations of history program.
Specifically, can refer to step 102, details are not described herein.
It should be noted that the present invention is not limited the sequencing of step 201 and step 202, step can be first carried out
Rapid 201, then execute step 202；Step 202 can also be first carried out, then executes step 201.
203, the playing duration of described at least two identical history programs is obtained according to the historical record, and according to institute
The playing duration for stating at least two identical history programs determines continuous sex factor.
Wherein, the historical record includes at least two identical history programs.
Specifically, when electronic equipment gets at least two identical history programs in historical record, at least two are obtained
The playing duration of each history program in a identical history program, and determined continuously according to the playing duration of each history program
Sex factor.
Example 5, it is assumed that electronic equipment gets two identical history programs, respectively the first history from historical record
Program and the second history program, and the total play time of the first history program and the second history program be 20 points 10 seconds, user
Clicked for the first history section object time earlier than clicking for the second history section object time, if the first history program that electronic equipment obtains
Playing duration be 10 points 05 second, the playing duration of the second history program of acquisition be 20 points 10 seconds, then electronic equipment, which determines, uses
Family has not watched this history program for the first time, and has watched this history program for the second time, then can set continuity factor mu=+ 1；If
The playing duration for the first history program that electronic equipment obtains be 20 points 10 seconds, the playing duration of the second history program of acquisition is
10 points 05 second, then electronic equipment determines that user has watched this history program for the first time, and second is watched this history program, then
Continuity factor mu=+ 1.2 can be set；If electronic equipment obtain the first history program playing duration be 10 points 05 second, acquisition
The playing duration of second history program be 0 point 0 second, then electronic equipment determine user for the first time do not watched this history program, and
It does not watch this history program for the second time, then can set continuity factor mu=- 1；If the first history program that electronic equipment obtains is broadcast
A length of 20 points 10 seconds when putting, the playing duration of the second history program of acquisition be 0 point 0 second, then electronic equipment determine user first
It is secondary to have watched this history program, and do not watch this history program for the second time, then it can set continuity factor mu=0.
It should be noted that the present invention is not limited the value of continuous sex factor, can be pre-set arbitrary value.
204, according to programs feature vector described in the history programs feature vector sum, at least one precedence value is determined.
Specifically, can refer to step 102, details are not described herein.
205, at least one candidate program is ranked up according at least one precedence value and preset rules, is obtained
To recommendation the rendition list and export.
Specifically, electronic equipment is different according to obtained information, the method for determining at least one precedence value is also different, specifically
It is as follows：
Wherein, the Sk1For the precedence value of k-th of candidate program；The θ1、θ2、θ3It is the linear effect factor, and
The θ1+θ2+θ3=1；It is describedFor history program age vector；For the candidate program of k-th of candidate program
Age vector；It is describedIndicate the candidate program of history program the age vector and described k-th candidate program
The scalar product of age vector；The len () is to take length value；The ∩ is and operation；The I1For the history program subject matter
Information；The IkFor the candidate program subject matter information of k-th of candidate program；J1For the history program people information；JkFor
The candidate program people information of k-th of candidate program.
Electronic equipment is specific in the case where having at least one programs feature vector of history programs feature vector sum
Implementation method can refer to step 103, and details are not described herein.
Electronic equipment is obtaining except at least one programs feature vector of history programs feature vector sum, also obtains continuity
In the case of the factor, according to formula
Wherein, the Sk2For the precedence value of k-th of candidate program；The μ is the continuous sex factor.
Specifically, having at least one programs feature vector of history programs feature vector sum with above-mentioned electronic equipment
In the case of concrete methods of realizing it is similar, can refer to step 103, details are not described herein.
206, the user for obtaining at least one candidate program watches mark.
Specifically, when recommendation the rendition list that user recommends according to electronic equipment is watched, electronic equipment can obtain
The user for getting the candidate program of user's viewing watches mark, if the institute recommended in the rendition list that user recommends electronic equipment
When having candidate program has viewing, then electronic equipment can get the user of each candidate program at least one candidate program
Viewing mark.
207, the user clicks of at least one candidate program are obtained.
Specifically, when user watches a certain recommendation program, electronic equipment counts the click volume of this recommendation program, from
And the click volume of this candidate program of user's viewing can be obtained, if in recommendation the rendition list that user recommends electronic equipment
When all candidate programs have viewing, then electronic equipment can get the use of each candidate program at least one candidate program
Family click volume.
It should be noted that the present invention is not limited the sequencing of step 206 and step 207, step can be first carried out
Rapid 206, then execute step 207；Step 207 can also be first carried out, then executes step 206.
208, it watches mark according to the user to be ranked up described recommendation the rendition list, and will push away described in after sequence
Recommend the rendition list output.
Specifically, electronic equipment is different according to the information that gets, to not recommending method that the rendition list is ranked up also not
Together, specific as follows：
When the user that electronic equipment only gets at least one candidate program watches mark, is watched and being marked according to the user
Knowledge is ranked up described recommendation the rendition list, and described recommendation the rendition list after sequence is exported.
Example 6, it is assumed that the user's viewing for first candidate program that electronic equipment is got, which is identified as, have been finished watching, second
The viewing of candidate program, which is identified as, not to be seen, and user's viewing of third candidate program, which is identified as, have been finished watching, in order to enable user couple
Second candidate program improves interest, then electronic equipment will recommend the rendition list to be updated to：Second candidate program, first time
Select program, third candidate program.
When the user that electronic equipment gets at least one candidate program watches mark and user clicks, according to described
The user of at least one candidate program watches mark and the user clicks are ranked up described recommendation the rendition list.
Example 7, it is assumed that the user's viewing for first candidate program that electronic equipment is got, which is identified as, have been finished watching, Yong Hudian
The amount of hitting is 100 times, and the viewing of second candidate program, which is identified as, not to be seen, and user clicks are 10 times, third candidate program
User's viewing, which is identified as, have been finished watching, and user clicks are 120 times, in order to enable second candidate program of user couple improves interest,
Then electronic equipment will recommend the rendition list to be updated to：Second candidate program, first candidate program, third candidate program.
The embodiment of the present invention provides a kind of method for generating and recommending the rendition list, since the program that electronic equipment is got is special
Sign vector includes at least two program characteristic informations, and default feature vector includes at least two program characteristic informations, then can be with
According at least two program characteristic informations at least two program characteristic informations and programs feature vector of default feature vector
Matching degree be program to be recommended be ranked up, select and preset the section that the character program information that feature vector includes all meets
Mesh carries out preferential recommendation, and the program that the character program information for including with default feature vector largely meets takes second place recommendation, can
What is more refined classifies program so that it is more accurate that program is recommended.In addition, electronic equipment also gets at least one candidate
The user of program watches mark and user clicks, so as to watch mark and user clicks to recommending program according to user
List is ranked up, and improves interest of the user to the candidate program for recommending not watch in the rendition list.
The embodiment of the present invention provides a kind of device for generating and recommending the rendition list, as shown in figure 4, including：First generates list
Member 401, the second generation unit 402, processing unit 403.
First generation unit 401, for according at least two program characteristic informations of program, generate programs feature to
Amount.
Second generation unit 402, for according to feature vector and programs feature vector is preset, generating precedence
Value.
Processing unit 403 obtains recommending the rendition list for being ranked up program according to according to the precedence value.
Optionally, first generation unit 401 is specifically used for：
According at least two characteristic informations of pre-stored candidate program, the programs feature vector is generated.
As shown in figure 5, described device further includes the first determination unit 404, it is used in preset time according to historical record
Determine history programs feature vector；The history programs feature vector includes at least two characteristic informations of history program；It is described
At least two characteristic informations of history program are corresponding at least two program characteristic informations of the program；
Second generation unit 402 is specifically used for：
According to programs feature vector described in the history programs feature vector sum, precedence value is generated.
Optionally, as shown in fig. 6, described device further includes acquiring unit 405, for obtaining at least one candidate program
User watches mark；
The acquiring unit 405 is additionally operable to obtain the user clicks of at least one candidate program；
The processing unit 403 is additionally operable to watch mark and the use according to the user of at least one candidate program
Family click volume is ranked up described recommendation the rendition list, and recommendation the rendition list after sequence is exported.
Optionally, at least two characteristic informations of the history program include：History program age vector, history program topic
Material information and history program people information；At least two characteristic informations of the candidate program include：Candidate program age vector,
Candidate program subject matter information and candidate program people information；
The history program age vector is according to formulaIt is determined with preset length；
The candidate program age vector is according to formulaIt is determined with the preset length；
Wherein, the year0For the average value in the age of all history programs；The δ0For all history programs
The corresponding angle of average value in age；The yearkFor the age value of k-th of candidate program；The δkIt is described k-th
The age of candidate program is worth corresponding angle；The N is pre-set age value；The k is the integer more than or equal to 1.
Optionally, the historical record includes at least two identical history programs；
As shown in fig. 7, described device further includes the second determination unit 406, described in being obtained according to the historical record
The playing duration of at least two identical history programs, and it is true according to the playing duration of described at least two identical history programs
Fixed continuous sex factor；
Second generation unit is specifically used for according to formula
Wherein, wherein the Sk1For the precedence value of k-th of candidate program；The θ1、θ2、θ3Be linear effect because
Son, and the θ1+θ2+θ3=1；It is describedFor history program age vector；For the candidate of k-th of candidate program
Program age vector；It is describedIndicate the candidate of history program the age vector and described k-th candidate program
The scalar product of program age vector；The len () is to take length value；The ∩ is and operation；The I0For the history program
Subject matter information；The IkFor the candidate program subject matter information of k-th of candidate program；J0For the history program people information；
JkFor the candidate program people information of k-th of candidate program；The μ is the continuous sex factor.
The embodiment of the present invention provides a kind of device for generating and recommending the rendition list, since the program that electronic equipment is got is special
Sign vector includes at least two program characteristic informations, and default feature vector includes at least two program characteristic informations, then can be with
According at least two program characteristic informations at least two program characteristic informations and programs feature vector of default feature vector
Matching degree be program to be recommended be ranked up, select and preset the section that the character program information that feature vector includes all meets
Mesh carries out preferential recommendation, and the program that the character program information for including with default feature vector largely meets takes second place recommendation, can
What is more refined classifies program so that it is more accurate that program is recommended.In addition, electronic equipment also gets at least one candidate
The user of program watches mark and user clicks, so as to watch mark and user clicks to recommending program according to user
List is ranked up, and improves interest of the user to the candidate program for recommending not watch in the rendition list.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that the independent physics of each unit includes, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the portion of each embodiment the method for the present invention
Step by step.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of generating the method for recommending the rendition list, which is characterized in that including：
According at least two program characteristic informations of program, programs feature vector is generated；
According to default feature vector and programs feature vector, precedence value is generated, the default feature vector includes at least two
A program characteristic information；
Program is ranked up according to the precedence value, obtains recommending the rendition list.
2. according to the method described in claim 1, it is characterized in that,
According to feature vector and programs feature vector is preset, before generating precedence value, the method further includes：
History programs feature vector is determined according to historical record in preset time；The history programs feature vector includes history
At least two characteristic informations of program；At least two characteristic informations of the history program and at least two programs of the program
Characteristic information is corresponding；
The basis presets feature vector and programs feature vector, generates precedence value and includes：
According to programs feature vector described in the history programs feature vector sum, precedence value is generated.
3. method according to claim 1 or 2, which is characterized in that arranged program according to the precedence value described
Sequence obtains after recommending the rendition list, further includes：
The user for obtaining at least one candidate program watches mark；
Obtain the user clicks of at least one candidate program；
Mark and the user clicks are watched to described recommendation the rendition list according to the user of at least one candidate program
It is ranked up, and recommendation the rendition list after sequence is exported.
4. according to the method described in claim 3, it is characterized in that,
At least two characteristic informations of history program include：History program age vector, history program subject matter information and history section
Mesh people information；At least two characteristic informations of the candidate program include：Candidate program age vector, candidate program subject matter letter
Breath and candidate program people information；
The history program age vector is according to formulaIt is determined with preset length；
The candidate program age vector is according to formulaIt is determined with the preset length；
Wherein, the year0For the average value in the age of all history programs；The δ0For the age of all history programs
The corresponding angle of average value；The yearkFor the age value of k-th of candidate program；The δkFor described k-th candidate
The age of program is worth corresponding angle；The N is pre-set age value；The k is integer, and k >=1.
5. according to the method described in claim 4, it is characterized in that,
The historical record includes at least two identical history programs；
Further include before generating precedence value according to programs feature vector described in the history programs feature vector sum described：
The playing duration of described at least two identical history programs is obtained according to the historical record, and according to described at least two
The playing duration of a identical history program determines continuous sex factor；
Described vectorial according to programs feature described in the history programs feature vector sum, generating precedence value includes：
According to formulaDetermine at least one
A precedence value；
Wherein, the Sk1For the precedence value of k-th of candidate program；The θ1、θ2、θ3It is the linear effect factor, and described
θ1+θ2+θ3=1；It is describedFor history program age vector；For k-th of candidate program the candidate program age to
Amount；It is describedIndicate candidate program age vector of the history program age vector with described k-th candidate program
Scalar product；The len () is to take length value；The ∩ is and operation；The I0For the history program subject matter information；It is described
IkFor the candidate program subject matter information of k-th of candidate program；J0For the history program people information；JkDescribed in k-th
The candidate program people information of candidate program；The μ is the continuous sex factor.
6. a kind of generating the device for recommending the rendition list, which is characterized in that including：
First generation unit generates programs feature vector at least two program characteristic informations according to program；
Second generation unit, for according to feature vector and programs feature vector is preset, generating precedence value；
Processing unit obtains recommending the rendition list for being ranked up program according to according to the precedence value.
7. device according to claim 6, which is characterized in that
Described device further includes the first determination unit, in preset time according to historical record determine history programs feature to
Amount；The history programs feature vector includes at least two characteristic informations of history program；At least two of the history program
Characteristic information is corresponding at least two program characteristic informations of the program；
Second generation unit is specifically used for：
According to programs feature vector described in the history programs feature vector sum, precedence value is generated.
8. the device described according to claim 6 or 7, which is characterized in that
Described device further includes acquiring unit, and the user for obtaining at least one candidate program watches mark；
The acquiring unit is additionally operable to obtain the user clicks of at least one candidate program；
The processing unit is additionally operable to watch mark and the user clicks according to the user of at least one candidate program
Described recommendation the rendition list is ranked up, and recommendation the rendition list after sequence is exported.
9. device according to claim 7, which is characterized in that
At least two characteristic informations of the history program include：History program age vector, history program subject matter information and goes through
History program people information；At least two characteristic informations of candidate program include：Candidate program age vector, candidate program subject matter letter
Breath and candidate program people information；
The history program age vector is according to formulaIt is determined with preset length；
The candidate program age vector is according to formulaIt is determined with the preset length；
Wherein, the year0For the average value in the age of all history programs；The δ0For the age of all history programs
The corresponding angle of average value；The yearkFor the age value of k-th of candidate program；The δkFor described k-th candidate
The age of program is worth corresponding angle；The N is pre-set age value；The k is integer, and k >=1.
10. device according to claim 9, which is characterized in that
The historical record includes at least two identical history programs；
Described device further includes the second determination unit, for obtaining at least two identical history according to the historical record
The playing duration of program, and continuous sex factor is determined according to the playing duration of described at least two identical history programs；
Second generation unit is specifically used for according to formula
Determine at least one precedence value；
Wherein, the Sk1For the precedence value of k-th of candidate program；The θ1、θ2、θ3It is the linear effect factor, and described
θ1+θ2+θ3=1；It is describedFor history program age vector；For k-th of candidate program the candidate program age to
Amount；It is describedIndicate candidate program age vector of the history program age vector with described k-th candidate program
Scalar product；The len () is to take length value；The ∩ is and operation；The I0For the history program subject matter information；It is described
IkFor the candidate program subject matter information of k-th of candidate program；J0For the history program people information；JkDescribed in k-th
The candidate program people information of candidate program；The μ is the continuous sex factor.
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| CN106454423B (en) * | 2016-12-15 | 2019-07-19 | 暴风集团股份有限公司 | The method and system that record carries out video push is watched according to history |
| US10902298B2 (en) | 2019-04-29 | 2021-01-26 | Alibaba Group Holding Limited | Pushing items to users based on a reinforcement learning model |
| CN110263245B (en) * | 2019-04-29 | 2020-08-21 | 阿里巴巴集团控股有限公司 | Method and device for pushing object to user based on reinforcement learning model |
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| JP2006340396A (en) * | 1998-08-21 | 2006-12-14 | United Video Properties Inc | Client-server electronic program guide |
| CN102184235A (en) * | 2011-05-13 | 2011-09-14 | 广州星海传媒有限公司 | Set top box-based digital television program recommending method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006340396A (en) * | 1998-08-21 | 2006-12-14 | United Video Properties Inc | Client-server electronic program guide |
| CN102184235A (en) * | 2011-05-13 | 2011-09-14 | 广州星海传媒有限公司 | Set top box-based digital television program recommending method and system |
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