CN105142006B - Channel automatic generation method and device based on label - Google Patents

Channel automatic generation method and device based on label Download PDF

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Publication number
CN105142006B
CN105142006B CN201510477205.3A CN201510477205A CN105142006B CN 105142006 B CN105142006 B CN 105142006B CN 201510477205 A CN201510477205 A CN 201510477205A CN 105142006 B CN105142006 B CN 105142006B
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China
Prior art keywords
label
certain
video
channel
videos
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CN105142006A (en
Inventor
张时骏
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Beijing QIYI Century Science and Technology Ca Ltd
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Beijing QIYI Century Science and Technology Ca Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/466Learning process for intelligent management, e.g. learning user preferences for recommending movies
    • H04N21/4667Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • H04N21/4826End-user interface for program selection using recommendation lists, e.g. of programs or channels sorted out according to their score

Abstract

The present invention discloses channel automatic generation method and device based on label.Method includes:Determine the label corresponding to certain video, certain described video is any one in all videos;The video number corresponding to certain label in the label is calculated, certain described label is any one in label;Calculate the reverse document-frequency of certain label in the label corresponding to all videos;Calculate the video playing number of certain video in preset time period;By the video playing number of certain video in the reverse document-frequency and the preset time period in the label corresponding to all videos of the video number, certain described label corresponding to certain described label, the score that certain described label generates channel is calculated;When certain described label generation channel score reach predetermined threshold value, utilize certain described label generation channel.Using technical solution provided by the invention, the bigger channel of user demand can be added automatically, to adapt to the diversified demand of user.

Description

Channel automatic generation method and device based on label
Technical field
Channel automatic generation method and device the present invention relates to Internet technical field more particularly to based on label.
Background technology
With the arrival of Internet era, internet has begun gradually to change the habits and customs such as the amusement of people, In, more and more spectators watch film, TV play etc., have turned to the interconnections such as some video websites via traditional tv medium Net media.
At present, video website can provide some channels set in advance, with for selection by the user, such as movie channel, TV play Channel etc..But these pre- channels set all are fixed, channel information is relatively simple, can not add user automatically The bigger channel of demand, to adapt to the diversified demand of user.
The content of the invention
In view of this, the present invention provides a kind of channel automatic generation method and device based on label, can add automatically Add the channel that user demand is bigger, to adapt to the diversified demand of user.
To achieve the above object, the present invention provides following technical solution:
A kind of channel automatic generation method based on label, including:
Determine the label corresponding to certain video, certain described video is any one in all videos;
The video number corresponding to certain label in the label is calculated, certain described label is any one in label;
Calculate the reverse document-frequency of certain label in the label corresponding to all videos;
Calculate the video playing number of certain video in preset time period;
It is inverse in the label corresponding to all videos by video number corresponding to certain described label, certain described label The video playing number of certain video into document-frequency and the preset time period calculates certain label generation channel Score;
When certain described label generation channel score reach predetermined threshold value, utilize certain described label generation channel.
Preferably, the label determined corresponding to certain video, including:
The mapping relations of certain described video and the label are established, are closed by the mapping of certain described video and the label System, determines the label corresponding to certain video.
Preferably, certain described video is realized with the mapping relations of the label by tableau format or graphic structure.
Preferably, the video number calculated in the label corresponding to certain label, including:
Mapping relations of certain described label with the video number corresponding to certain label therebetween are established, pass through certain described mark Mapping relations of the label with the video number corresponding to certain label therebetween, calculate the video corresponding to certain label in the label Number.
Preferably, mapping relations of certain described label with the video number corresponding to certain label therebetween, pass through form Structure or graphic structure are realized.
Preferably, reverse document-frequency of certain label described in the calculating in the label corresponding to all videos, including:
Label total number corresponding to all videos divided by certain described label are calculated in the label corresponding to all videos Occurrence number business;
By the label total number corresponding to all videos divided by certain described label in the label corresponding to all videos The business of occurrence number, takes natural logrithm, obtains the reverse document-frequency of certain label in the label corresponding to all videos.
Preferably, the video playing number of certain video in preset time period is calculated by video playing daily record.
Preferably, the video number by corresponding to certain described label, certain described label are corresponding to all videos Label in reverse document-frequency and the preset time period in certain video video playing number, calculate certain described mark The score of label generation channel, including:
The square root and natural logrithm of the video playing number of certain video in the preset time period are calculated respectively;
Video number, certain described label described in calculating corresponding to certain label is inverse in the label corresponding to all videos Into document-frequency, the preset time period in the square root and the preset time period of the video playing number of certain video The natural logrithm of the video playing number of certain video, four product obtain the score of certain label generation channel.
Preferably, when certain described label generation channel score reach predetermined threshold value, using certain described label generate channel, Including:
When the score of certain described label generation channel reaches predetermined threshold value, certain label and certain described label institute are right by described in The video answered is added to channel page or channel table.
A kind of channel automatically generating device based on label, including:
Tag determination unit, for determining the label corresponding to certain video, certain described video is arbitrary in all videos One;
First computing unit, for calculating the video number in the label corresponding to certain label, certain described label is mark Any one in label;
Second computing unit, for calculating reverse file frequency of certain described label in the label corresponding to all videos Rate;
3rd computing unit, for calculating the video playing number of certain video in preset time period;
4th computing unit, for passing through video number corresponding to certain described label, certain described label in all videos The video playing number of certain video, calculates institute in reverse document-frequency and the preset time period in corresponding label State the score of certain label generation channel;
Channel generation unit, the score for generating channel when certain described label reach predetermined threshold value, utilize certain described mark Label generation channel.
It can be seen via above technical scheme that compared with prior art, the present invention provides a kind of channels based on label Automatic generation method and device.Technical solution provided by the invention, it is first determined label (certain described video corresponding to certain video For any one in all videos), (certain described label is the video number for then calculating in the label corresponding to certain label Any one in label), the reverse document-frequency of certain label in the label corresponding to all videos is calculated, is calculated pre- If in the period certain video video playing number, pass through video number corresponding to certain described label, certain described label The video playing of certain video in reverse document-frequency and the preset time period in the label corresponding to all videos Number calculates the score of certain label generation channel, finally, when the score of certain described label generation channel reaches default threshold Value generates channel using certain described label.Therefore, technical solution provided by the invention, can according to the label of video, video Playback volume in a period of time, video counts and the label for possessing same label are reverse in the label corresponding to all videos The parameters such as document-frequency calculate the score with label generation channel, when score reaches preset threshold value, are then marked with this Label one channel of generation, so as to respond user demand in time, channel is added by the bigger video of user demand automatically, So as to effectively solve the problems, such as that channel information is single in the prior art, better usage experience is brought for user.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the channel automatic generation method based on label provided in an embodiment of the present invention;
Fig. 2 is a kind of structure chart of the channel automatically generating device based on label provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment 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 making creative work Embodiment belongs to the scope of protection of the invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of flow of the channel automatic generation method based on label provided in an embodiment of the present invention Figure.As shown in Figure 1, this method includes:
Step S101 determines the label corresponding to certain video;
Specifically, certain described video is any one in all videos.Determine the label corresponding to certain video, it is optional , including:
The mapping relations of certain described video and the label are established, are closed by the mapping of certain described video and the label System, determines the label corresponding to certain video.
Further, optionally, the mapping relations of certain described video and the label pass through tableau format or figure knot Structure is realized.It for the relation of directviewing description video and label, is exemplified below, for example, certain described video is TV play version 《The The Romance of the Three Kingdoms》,《The The Romance of the Three Kingdoms》Label may have it is multiple, for example, the mark of " four great classical masterpieces " can be stamped from original work angle Label can stamp the label of " Bao Guoan " from angle is acted the leading role, the label of " Liu is standby " can be stamped from dramatis personae, can be with from plot Stamp " careless ship borrow arrow " label etc..Label is pre-set as an attribute of video, can be web editor people Member is set, and can be that video uploader is set or spectators are set.
Step S102 calculates the video number corresponding to certain label in the label;
Specifically, certain described label is any one in label.The step S102 can specifically include:
Mapping relations of certain described label with the video number corresponding to certain label therebetween are established, pass through certain described mark Mapping relations of the label with the video number corresponding to certain label therebetween, calculate the video corresponding to certain label in the label Number.
Further, optionally, mapping relations of certain described label with the video number corresponding to certain label therebetween, It is realized by tableau format or graphic structure.
Step S103 calculates the reverse document-frequency of certain label in the label corresponding to all videos;
Specifically, all videos refer to that all videos in current system, such as certain website apply patent of the present invention, then All videos refer to all videos in the web station system.
Specifically, the step S103, optionally, including:
Label total number corresponding to all videos divided by certain described label are calculated in the label corresponding to all videos Occurrence number business;
By the label total number corresponding to all videos divided by certain described label in the label corresponding to all videos The business of occurrence number, takes natural logrithm, obtains reverse file of the video number corresponding to certain described label in all videos Frequency.
For example, certain described label is A labels, optionally, certain described label is inverse in the label corresponding to all videos It is as follows to the calculation formula of document-frequency:
Idf_A=ln (all_tag_count/tag_A_count) (1)
Wherein, tag_A_count be occurrence number of the A labels in the label corresponding to all videos, all_tag_ Count is the label total number corresponding to all videos, and Idf_A is reverse in the label corresponding to all videos for A labels Document-frequency.
Step S104 calculates the video playing number of certain video in preset time period;
Specifically, the video playing number of certain video in preset time period is calculated by video playing daily record.Specifically , video website can be in one broadcasting record of video website backstage addition when every broadcasting primary video, these play note The set of record is exactly video playing daily record.
Step S105, by video number corresponding to certain described label, certain described label corresponding to all videos The video playing number of certain video in reverse document-frequency and the preset time period in label, calculates certain described label Generate the score of channel;
Specifically, optional, the step S105 includes:
The square root and natural logrithm of the video playing number of certain video in the preset time period are calculated respectively;
Video number, certain described label described in calculating corresponding to certain label is inverse in the label corresponding to all videos Into document-frequency, the preset time period in the square root and the preset time period of the video playing number of certain video The natural logrithm of the video playing number of certain video, four product obtain the score of certain label generation channel.
For example, certain described label is A labels, optionally, the calculation formula of the score of certain label generation channel is as follows:
(2)
Wherein, score-AThe score of channel, video are generated for A labels-A_ count is the video corresponding to A labels Number, idf-AThe reverse document-frequency for being A labels in the label corresponding to all videos, vv-AFor A in the preset time period The video playing number of video.
Step S106, when certain described label generation channel score reach predetermined threshold value, utilize certain described label generation frequency Road;
Specifically, the step S106 includes:
When the score of certain described label generation channel reaches predetermined threshold value, certain label and certain described label institute are right by described in The video answered is added to channel page or channel table.That is, when generating channel, optionally, can exist when determining to need with certain label The label and the video corresponding to the label are recorded in one channel table, such as need not generate channel with the label, then It does not keep a record.Using technical solution provided in an embodiment of the present invention, after all labels have been judged, can be recorded in channel table All videos that be used to generate corresponding to the label and label of channel, when user enters channel page, then can pass through frequency Road table shows the video corresponding to (using label generation) channel.
Technical solution provided by the invention, it is first determined (certain described video is all videos to the label corresponding to certain video In any one), then calculate in the label corresponding to certain label video number (certain described label be label in appoint Meaning one), the reverse document-frequency of certain label in the label corresponding to all videos is calculated, is calculated in preset time period The video playing number of certain video, by video number corresponding to certain described label, certain described label in all videos The video playing number of certain video, calculates institute in reverse document-frequency and the preset time period in corresponding label State certain label generation channel score, finally, when certain described label generation channel score reach predetermined threshold value, using it is described certain Label generates channel.Therefore, technical solution provided by the invention, can be according to the label of video, in a period of time of video Playback volume possesses the ginsengs such as the reverse document-frequency of the video counts and label of same label in the label corresponding to all videos Number calculates the score with label generation channel, when score reaches preset threshold value, then generates a frequency with the label The bigger video of user demand so as to respond user demand in time, is added channel by road automatically, so as to effectively solve The problem of channel information is single in the prior art brings better usage experience for user.
In addition, technical solution provided by the invention, can automatically generate channel using label, simplify and create new channel Flow, avoid needs manually to create new channel in data plane and video is directed toward new channel to be brought in the prior art Heavy workload the problem of, can effectively reduce the manual maintenance cost to video website.
In order to illustrate technical solution provided by the invention more fully hereinafter, corresponding to provided in an embodiment of the present invention based on mark The channel automatic generation method of label, the further open channel automatically generating device based on label of the present invention.
Referring to Fig. 2, Fig. 2 is a kind of structure of the channel automatically generating device based on label provided in an embodiment of the present invention Figure.As shown in Fig. 2, the device includes:
Tag determination unit 201, for determining the label corresponding to certain video, certain described video is appointing in all videos Meaning one;
First computing unit 202, for calculating the video number in the label corresponding to certain label, certain described label is Any one in label;
Second computing unit 203, for calculating the reverse file of certain label in the label corresponding to all videos Frequency;
3rd computing unit 204, for calculating the video playing number of certain video in preset time period;
4th computing unit 205, for passing through video number corresponding to certain described label, certain described label is regarded all The video playing number of certain video, calculates in reverse document-frequency and the preset time period in label corresponding to frequency The score of certain label generation channel;
Channel generation unit 206, the score for generating channel when certain described label reach predetermined threshold value, using it is described certain Label generates channel.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except also there are other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For being based on disclosed in embodiment For the channel automatically generating device of label, due to its with embodiment disclosed in the channel automatic generation method based on label it is opposite Should, so description is fairly simple, reference may be made to the description of the method.
It can directly be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one The most wide scope caused.

Claims (9)

1. a kind of channel automatic generation method based on label, which is characterized in that including:
Determine the label corresponding to certain video, certain described video is a video in all videos;
The video number corresponding to certain label in the label is calculated, certain described label is a label in the label;
Calculate the reverse document-frequency of certain label in the label corresponding to all videos;
Calculate the video playing number of certain video in preset time period;
Pass through the reverse text of video number, certain described label in the label corresponding to all videos corresponding to certain described label The video playing number of certain video in part frequency and the preset time period, calculates obtaining for certain label generation channel Point;
When certain described label generation channel score reach predetermined threshold value, utilize certain described label generation channel;
Wherein, the video number by corresponding to certain described label, certain described label are in the label corresponding to all videos In reverse document-frequency and the preset time period in certain video video playing number, calculate certain label generation The score of channel, including:
The square root and natural logrithm of the video playing number of certain video in the preset time period are calculated respectively;
Calculate reverse text of the video number, certain described label corresponding to certain described label in the label corresponding to all videos It is described in the square root of the video playing number of certain video described in part frequency, the preset time period and the preset time period The natural logrithm of the video playing number of certain video, four product obtain the score of certain label generation channel.
2. according to the method described in claim 1, it is characterized in that, it is described determine certain video corresponding to label, including:
The mapping relations of certain described video and the label are established, by the mapping relations of certain described video and the label, really Label corresponding to certain fixed video.
3. the method stated according to claim 2, which is characterized in that the mapping relations of certain described video and the label pass through form Structure or graphic structure are realized.
4. the according to the method described in claim 1, it is characterized in that, video calculated in the label corresponding to certain label Number, including:
Establish the mapping relations of certain described label with the video number corresponding to certain label therebetween, by certain described label with The mapping relations of video number therebetween corresponding to certain label calculate the video in the label corresponding to certain label Number.
5. according to the method described in claim 4, it is characterized in that, certain described label and the video number two corresponding to certain label Mapping relations between person are realized by tableau format or graphic structure.
6. according to the method described in claim 1, it is characterized in that, certain label is corresponding to all videos described in the calculating Reverse document-frequency in label, including:
Calculate the label total number corresponding to all videos divided by certain label going out in the label corresponding to all videos The business of occurrence number;
By the appearance of the label total number corresponding to all videos divided by certain described label in the label corresponding to all videos The business of number, takes natural logrithm, obtains the reverse document-frequency of certain label in the label corresponding to all videos.
7. it according to the method described in claim 1, it is characterized in that, is calculated by video playing daily record described in preset time period The video playing number of certain video.
8. according to the method described in claim 1, it is characterized in that, when the score that certain described label generates channel reaches default threshold Value generates channel using certain described label, including:
When certain described label generation channel score reach predetermined threshold value, will be corresponding to certain described label and certain described label Video is added to channel page or channel table.
9. a kind of channel automatically generating device based on label, which is characterized in that including:
Tag determination unit, for determining the label corresponding to certain video, certain described video is a video in all videos;
First computing unit, for calculating the video number in the label corresponding to certain label, certain described label is the mark A label in label;
Second computing unit, for calculating the reverse document-frequency of certain label in the label corresponding to all videos;
3rd computing unit, for calculating the video playing number of certain video in preset time period;
4th computing unit, it is right in all videos institute for passing through video number corresponding to certain described label, certain described label The video playing number of certain video in reverse document-frequency and the preset time period in the label answered, calculate it is described certain Label generates the score of channel;
Channel generation unit, the score for generating channel when certain described label are reached predetermined threshold value, are given birth to using certain described label Into channel;
Wherein, the 4th computing unit is specifically used for:
The square root and natural logrithm of the video playing number of certain video in the preset time period are calculated respectively;
Calculate reverse text of the video number, certain described label corresponding to certain described label in the label corresponding to all videos It is described in the square root of the video playing number of certain video described in part frequency, the preset time period and the preset time period The natural logrithm of the video playing number of certain video, four product obtain the score of certain label generation channel.
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CN105657575B (en) * 2015-12-30 2018-10-19 北京奇艺世纪科技有限公司 Video labeling method and device
CN109168055A (en) * 2018-10-16 2019-01-08 深圳市云歌人工智能技术有限公司 Creation method, device, audio/video player system and its server of video channel

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