CN103500235A - Multimedia file recommendation method and device - Google Patents
Multimedia file recommendation method and device Download PDFInfo
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- G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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Abstract
The embodiment of the invention provides a multimedia file recommendation method and device and relates to the field of Internet multimedia. According to the multimedia file recommendation method and device, first parameters of all multimedia files are counted and updated in different periods of time to increase the success rate of multimedia file recommendation. The multimedia file recommendation method comprises the steps that a multimedia file searching request from electronic equipment is received, wherein the multimedia file searching request contains multimedia file searching condition information and request time; multimedia files which are matched with the multimedia file searching request are obtained from a media resource bank according to the multimedia file searching condition information; whether the number of the multimedia files is larger than N is judged, wherein N is an integer which is equal to or larger than one; the first parameters of the multimedia files are searched for during a preset period of time which corresponds to the request time if yes; the weights of the found multimedia files are determined according to the first parameters of the multimedia files; the found multimedia files are arranged based on a preset rule according to the weights of the found multimedia files and then are output to the electronic equipment.
Description
Technical field
The present invention relates to the internet multimedia field, relate in particular to a kind of multimedia file recommend method and device.
Background technology
Fast development along with electronic information technology and the network media, the user also increases gradually to hommization and the intelligentized demand of multi-medium file search result, and therefore how to user feedback, its content of paying close attention to becomes the focus that each operator carries out technological improvement more accurately.
In current prior art, when the user carries out the search of multimedia file by terminal device, the background devices of multimedia file website is generally by click volume or the volumes of searches of associated documents in the past of statistics, according to the click volume of described associated documents in the past or volumes of searches according to being recommended to the user from height to low order.For example, user search " U.S.'s general election ", the background devices of so much media file website is generally by adding up click volume or the volumes of searches of the multimedia file about " U.S.'s general election " in the past, the primary importance that click volume or the most much higher media file of volumes of searches is put into to the multimedia file interface is recommended the user, and puts into successively the multimedia file interface according to the reduction of the click volume of associated multimedia file or volumes of searches and recommended.
Yet, at the existing this height by click volume or volumes of searches, determine to the method for user's recommendation network sequence of information, only reflect to a certain extent current hot information, and then think that current hot information is that the user pays close attention to, the success ratio of recommending is not high, therefore, the recommend method for the network information still remains to be improved.
Summary of the invention
Embodiments of the invention provide a kind of multimedia file recommend method and device, by add up and upgrade the first parameter of each multimedia file in different time sections, and then obtain the weight of each multimedia file, can not reflect current hot information with the recommend method that solves current network information comprehensively, improve the success ratio of recommending.
For achieving the above object, embodiments of the invention adopt following technical scheme:
Embodiments of the invention provide a kind of multimedia file recommend method, and described method comprises:
Reception is from the multi-medium file search request of electronic equipment, and described multi-medium file search request comprises multi-medium file search conditional information and request time, and the described request time is used to indicate the time that described multi-medium file search request generates;
According to described multi-medium file search conditional information, from the matchmaker, provide storehouse the multimedia file obtained with described multi-medium file search request coupling;
Whether the quantity that judges described multimedia file is greater than N, and described N is more than or equal to 1 integer;
If, obtain in Preset Time section corresponding to described request time, the first parameter of the described multimedia file found, the first parameter of described multimedia file is used to indicate the degree that is concerned of the described multimedia file found in described Preset Time section;
According to the first parameter of described multimedia file, determine the weight of the described multimedia file found;
According to the weight of the described multimedia file found, arrange the described multimedia file found according to preset rules, and export described electronic equipment to.
The first parameter of described multimedia file comprises channel temperature and/or click volume, the indication of described channel temperature in described Preset Time section the described multimedia file found at the broadcasting time of each channel.
Before step in described reception from the multi-medium file search request of electronic equipment, also comprise:
Add up and upgrade channel temperature and/or the click volume that described matchmaker in each Preset Time section provides each multimedia file in storehouse.
Described the first parameter according to described multimedia file, determine that the step of the weight of the described multimedia file found comprises:
According to the first parameter of described multimedia file, adopt the Lucene formula to upgrade in the described multimedia file found the weight with the multimedia file of the first parameter matching of described multimedia file.
The described weight according to the described multimedia file found, the step of arranging the described multimedia file found according to preset rules comprises:
According to the weight of the described multimedia file found, according to from large extremely little order, the described multimedia file found being sorted.
Embodiments of the invention provide a kind of multimedia file recommendation apparatus, and described device comprises:
Receiving element, for receiving the multi-medium file search request from electronic equipment, described multi-medium file search request comprises multi-medium file search conditional information and request time, and the described request time is used to indicate the time that described multi-medium file search request generates;
Search unit, for according to described multi-medium file search conditional information, from the matchmaker, provide storehouse the multimedia file obtained with described multi-medium file search request coupling;
Whether processing unit, be greater than N for the quantity that judges described multimedia file, and described N is more than or equal to 1 integer; If, obtain in Preset Time section corresponding to described request time, the first parameter of the described multimedia file found, the first parameter of described multimedia file is used to indicate the degree that is concerned of the described multimedia file found in described Preset Time section;
Performance element, for the first parameter according to described multimedia file, determine the weight of the described multimedia file found; According to the weight of the described multimedia file found, arrange the described multimedia file found according to preset rules, and export described electronic equipment to.
The first parameter of described multimedia file comprises channel temperature and/or click volume, the indication of described channel temperature in described Preset Time section the described multimedia file found at the broadcasting time of each channel.
Described device also comprises:
Pretreatment unit, for adding up and upgrading channel temperature and/or the click volume that described matchmaker in each Preset Time section provides each multimedia file in storehouse.
Described performance element, also for the first parameter according to described multimedia file, adopt the Lucene formula to upgrade in the described multimedia file found the weight with the multimedia file of the first parameter matching of described multimedia file.
Described performance element, also for the weight according to the described multimedia file found, according to from large extremely little order, the described multimedia file found being sorted.
Embodiments of the invention provide a kind of multimedia file recommend method and device, by receiving the multi-medium file search request from electronic equipment, then according to described multi-medium file search conditional information, provide storehouse from the matchmaker multimedia file obtained with described multi-medium file search request coupling, and then whether the quantity that judges described multimedia file is greater than N, described N is more than or equal to 1 integer, if, obtain in Preset Time section corresponding to described request time, the first parameter of the described multimedia file found, the first parameter of described multimedia file is used to indicate the degree that is concerned of the described multimedia file found in described Preset Time section, the first parameter according to described multimedia file, determine the weight of the described multimedia file found, the last weight according to the described multimedia file found, arrange the described multimedia file found according to preset rules, and export described electronic equipment to.Thus, by add up and upgrade the first parameter of each multimedia file in different time sections, and then obtain the weight of each multimedia file, and can not reflect current hot information with the recommend method that solves current network information comprehensively, improve the success ratio of recommending.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet one of a kind of multimedia file recommend method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet two of a kind of multimedia file recommend method that Fig. 2 provides for the embodiment of the present invention;
The structural representation one of a kind of multimedia file recommendation apparatus that Fig. 3 provides for the embodiment of the present invention;
The structural representation two of a kind of multimedia file recommendation apparatus that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In below describing, in order to illustrate rather than, in order limiting, to have proposed the detail such as particular system structure, interface, technology, in order to thoroughly understand the present invention.Yet, not it will be clear to one skilled in the art that in there is no other embodiment of these details and can realize the present invention yet.In other situation, omit the detailed description to well-known device, circuit and method, in order to avoid unnecessary details hinders description of the invention.
Electronic equipment, also claim electric terminal, can be that wireless terminal can be also catv terminal, wireless terminal can be to point to the equipment that the user provides voice and/or data connectivity, has the portable equipment of wireless connecting function or is connected to other treatment facilities of radio modem.Wireless terminal can be through wireless access network (for example, RAN, Radio Access Network) communicate with one or more core net, wireless terminal can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with have the computing machine of mobile terminal.
Herein term " and/or ", be only a kind of incidence relation of describing affiliated partner, can there be three kinds of relations in expression, for example, A and/or B can mean: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, the character "/", generally mean that forward-backward correlation is to liking a kind of relation of "or" herein.
Embodiment mono-
Embodiments of the invention provide a kind of multimedia file recommend method, as shown in Figure 1, comprising:
101, the multimedia file recommendation apparatus receives the multi-medium file search request from electronic equipment.
Wherein, the multi-medium file search request comprises multi-medium file search conditional information and request time, request time is used to indicate the time that the multi-medium file search request generates, search condition information can be the information such as keyword, electronic equipment parameter is used to indicate the type of electronic equipment, such as mobile phone, panel computer, personal computer PC or TV TV etc.
Concrete, the present embodiment provides a kind of multimedia file recommend method, by add up and upgrade channel temperature and/or the click volume of each multimedia file in different time sections, and then obtain the weight of each multimedia file, can not reflect current hot information comprehensively and then cause unsuccessfully this problem of recommending with the recommend method that solves current network information.The multimedia file recommendation apparatus, when completing the recommendation task, at first can receive the multi-medium file search request from electronic equipment, and then request is searched the associated multimedia file to complete the recommendation of multimedia file according to multi-medium file search.
Exemplary, the user was in input " Yao Beina, Chinese good sound " in certain multimedia web site search column in ten nine: 30, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " Yao Beina, Chinese good sound " and request time ten nine: 30, then the multimedia file recommendation apparatus according to multi-medium file search request search the recommendation that the associated multimedia file completes multimedia file.
102, the multimedia file recommendation apparatus, according to the multi-medium file search conditional information, provides storehouse from the matchmaker multimedia file obtained with multi-medium file search request coupling.
Wherein, the matchmaker provides the database of storehouse for all multimedia files of storage, and any multimedia file that the matchmaker provides in storehouse all likely becomes file destination.In addition, the multimedia file recommendation apparatus provides storehouse to the matchmaker and carries out the real-time update operation to guarantee that the matchmaker provides multimedia file in storehouse and meets to greatest extent the search needs.
Concrete, after the multimedia file recommendation apparatus receives the multi-medium file search request from electronic equipment, the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to the multi-medium file search conditional information, and then upgrade weight according to the multimedia file found, complete the recommendation of multimedia file.
Exemplary, the 12 minutes input " U.S. in certain multimedia web site search column of user Yu Jiudian, government is suspended ", so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise the keyword " U.S., government is suspended " and request time 9: 12, the multimedia file recommendation apparatus is according to the multimedia file keyword " U.S., government is suspended " provide in storehouse and search corresponding multimedia file the matchmaker, here, the quantity of the multimedia file found can be for one or more, multimedia file recommendation apparatus and then upgrade weight according to the multimedia file that finds, complete the recommendation of multimedia file.
103, the multimedia file recommendation apparatus judges whether the quantity of multimedia file is greater than N, and N is more than or equal to 1 integer, if so, obtains in the Preset Time section corresponding at request time the first parameter of the multimedia file found.
Wherein, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section.Further, the first parameter of multimedia file comprises channel temperature and/or click volume, and the multimedia file that the indication of channel temperature finds in the Preset Time section is at the broadcasting time of each channel.
In addition, the multimedia file recommendation apparatus to the matchmaker provide each multimedia file in storehouse the channel temperature and/or and click volume carry out the real-time update operation, provide the focus real-time update of the multimedia file in storehouse and then meet to greatest extent the search needs to guarantee the matchmaker.
Concrete, the multimedia file recommendation apparatus according to the multimedia file keyword after the matchmaker provides in storehouse and searches corresponding multimedia file, if the quantity of the multimedia file found is a plurality of, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, the first parameter of the multimedia file found.Wherein, the Preset Time section is to divide the time that the multimedia file recommendation apparatus sets in advance, for example, one day twenty four hours is divided into to time period independently in every three hours, or will be divided into time period independently September 1 to September 23.Channel temperature and click volume that each multimedia file is arranged in corresponding Preset Time section inner multimedia file recommendation apparatus coupling, it September 1, to September 23, in this Preset Time section, was for example the hot broadcast time of " peppery mother's main story ", so corresponding, in September 1 to September 23 this Preset Time section, the channel temperature of " peppery mother's main story " just is set to high channel temperature.
Exemplary, the user inputted " bloodsucker's diary " in certain multimedia web site search column October 4, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " bloodsucker's diary " and request time October 4, according to the multimedia file keyword, " bloodsucker's diary " provides in storehouse and searches corresponding multimedia file the matchmaker multimedia file recommendation apparatus.Because the 5th season that October 4 was " bloodsucker's diary " starts broadcasting day, the multimedia file recommendation apparatus is divided on October four to ten independently time period corresponding high channel temperature in advance.If the quantity of the multimedia file about " bloodsucker's diary " found is a plurality of, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, the channel temperature of the multimedia file found and click volume and then complete the recommendation of multimedia file.
Wherein, if the quantity of multimedia file is for being less than or equal to N, the multimedia file recommendation apparatus is directly recommended this multimedia file to electronic equipment, no longer carries out 104 and step afterwards.
104, the multimedia file recommendation apparatus, according to the first parameter of multimedia file, is determined the weight of the multimedia file found.
Concrete, at the multimedia file recommendation apparatus, obtain in the Preset Time section corresponding at request time, after the channel temperature and/or click volume of the multimedia file found, the multimedia file recommendation apparatus, according to channel temperature and/or click volume, is determined the weight of the multimedia file found.Concrete, the method for the weight of definite multimedia file found, for utilizing Lucene sequence principle and formula, can be described in detail Lucene sequence principle and formula in subsequent embodiment here., so locate not do, repeat.
105, the multimedia file recommendation apparatus, according to the weight of the multimedia file found, is arranged the multimedia file found, and is exported electronic equipment to according to preset rules.
Concrete, at the multimedia file recommendation apparatus according to channel temperature and/or click volume, after determining the weight of the multimedia file found, the multimedia file recommendation apparatus is according to the weight of the multimedia file found, according to from large extremely little order, the multimedia file found being sorted, the multimedia file found after then recommending to arrange to electronic equipment according to ranking results.
Exemplary, the user inputs " happy base camp " in certain multimedia web site search column eight thirty of evening Saturday, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " happy base camp " and request time " eight thirty of evening Saturday ", the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to the multimedia file keyword.If the quantity of the multimedia file found is 20, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, channel temperature and the click volume of 20 multimedia files that find, and then the multimedia file recommendation apparatus is according to channel temperature and click volume, determine the weight of 20 multimedia files that find, according to from large extremely little order, the multimedia file found being sorted, the multimedia file found after then recommending to arrange to electronic equipment according to ranking results.
Embodiments of the invention provide a kind of multimedia file recommend method, by receiving the multi-medium file search request from electronic equipment, then according to the multi-medium file search conditional information, provide storehouse from the matchmaker multimedia file obtained with multi-medium file search request coupling, and then whether the quantity that judges multimedia file is greater than N, N is more than or equal to 1 integer, if, obtain in the Preset Time section corresponding at request time, the first parameter of the multimedia file found, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section, the first parameter according to multimedia file, determine the weight of the multimedia file found, the weight of the last multimedia file according to finding, arrange the multimedia file found according to preset rules, and export electronic equipment to.Thus, by add up and upgrade the first parameter of each multimedia file in different time sections, and then obtain the weight of each multimedia file, and can not reflect current hot information with the recommend method that solves current network information comprehensively, improve the success ratio of recommending.
Embodiment bis-
Embodiments of the invention provide a kind of multimedia file recommend method, as shown in Figure 2, comprising:
201, the multimedia file recommendation apparatus is added up and is upgraded channel temperature and/or the click volume that matchmaker in each Preset Time section provides each multimedia file in storehouse.
Wherein, the multimedia file that the indication of channel temperature finds in the Preset Time section is at the broadcasting time of each channel.Click volume is used to indicate the accumulative total broadcasting time of each user to each multimedia file.In addition, channel temperature and click volume that the multimedia file recommendation apparatus provides each multimedia file in storehouse to the matchmaker are carried out the real-time update operation, to guarantee the matchmaker, provide the focus real-time update of the multimedia file in storehouse and then meet to greatest extent the search needs.
Exemplary, because " life big bang " the 5th season on September 27th, 2013 formally starts broadcasting, the channel temperature that is preset on the September 27th, 2013 of " life big bang " collection of drama to 12 days October in 2013 is a certain high value, makes the associated user find efficiently " life big bang " collection of drama within this time period.
202, the multimedia file recommendation apparatus receives the multi-medium file search request from electronic equipment.
Wherein, the multi-medium file search request comprises multi-medium file search conditional information and request time, request time is used to indicate the time that the multi-medium file search request generates, search condition information can be the information such as keyword, electronic equipment parameter is used to indicate the type of electronic equipment, such as mobile phone, panel computer, personal computer PC or TV TV etc.
Concrete, the present embodiment provides a kind of multimedia file recommend method, by add up and upgrade channel temperature and/or the click volume of each multimedia file in different time sections, and then obtain the weight of each multimedia file, can not reflect current hot information comprehensively and then cause unsuccessfully this problem of recommending with the recommend method that solves current network information.The multimedia file recommendation apparatus, when completing the recommendation task, at first can receive the multi-medium file search request from electronic equipment, and then request is searched the associated multimedia file to complete the recommendation of multimedia file according to multi-medium file search.
Exemplary, the user is in 10 inputs " the most U.S. harmony " in certain multimedia web site search column Saturday, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " the most U.S. harmony " and request time point Saturdays ten, then the multimedia file recommendation apparatus according to multi-medium file search request search the recommendation that the associated multimedia file completes multimedia file.
203, the multimedia file recommendation apparatus, according to the multi-medium file search conditional information, provides storehouse from the matchmaker multimedia file obtained with multi-medium file search request coupling.
Wherein, the matchmaker provides the database of storehouse for all multimedia files of storage, and any multimedia file that the matchmaker provides in storehouse all likely becomes file destination.In addition, the multimedia file recommendation apparatus provides storehouse to the matchmaker and carries out the real-time update operation to guarantee that the matchmaker provides multimedia file in storehouse and meets to greatest extent the search needs.
Concrete, after the multimedia file recommendation apparatus receives the multi-medium file search request from electronic equipment, the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to the multi-medium file search conditional information, and then upgrade weight according to the multimedia file found, complete the recommendation of multimedia file.
Exemplary, the user was in input " article " in certain multimedia web site search column in 20: 30, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " article " and request time 20: 30, the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to multimedia file keyword " article ", here, the quantity of the multimedia file found can be for one or more, multimedia file recommendation apparatus and then upgrade weight according to the multimedia file that finds, complete the recommendation of multimedia file.
If 204 match a plurality of multimedia files, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, the first parameter of the multimedia file found.
Wherein, in the embodiment of the present invention, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section.Further, the first parameter of multimedia file comprises channel temperature and/or click volume, and the multimedia file that the indication of channel temperature finds in the Preset Time section is at the broadcasting time of each channel.
Concrete, the multimedia file recommendation apparatus according to the multimedia file keyword after the matchmaker provides in storehouse and searches corresponding multimedia file, if the quantity of the multimedia file found is a plurality of, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, channel temperature and/or the click volume of the multimedia file found.Wherein, the Preset Time section is to divide the time that the multimedia file recommendation apparatus sets in advance, for example, one day twenty four hours is divided into to time period independently in every three hours, or will be divided into time period independently September 1 to September 23.Channel temperature and click volume that each multimedia file is arranged in corresponding Preset Time section inner multimedia file recommendation apparatus coupling, it September 1, to September 23, in this Preset Time section, was for example the hot broadcast time of " peppery mother's main story ", so corresponding, in September 1 to September 23 this Preset Time section, the channel temperature of " peppery mother's main story " just is set to high channel temperature.
Exemplary, the user inputted " Homeland Security " in certain multimedia web site search column October 2, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise keyword " Homeland Security " and request time October 2, the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to multimedia file keyword " Homeland Security ".Owing to being starting broadcasting day the third quarter of " Homeland Security " on October 2, the multimedia file recommendation apparatus is divided on October two to 12 independently time period corresponding high channel temperature in advance.If the quantity of the multimedia file about " Homeland Security " found is a plurality of, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, the channel temperature of the multimedia file found and click volume and then complete the recommendation of multimedia file.
205, the multimedia file recommendation apparatus, according to the first parameter of multimedia file, is determined the weight of the multimedia file found.
Wherein, if multimedia file is one, the multimedia file recommendation apparatus is directly recommended this multimedia file to electronic equipment, no longer carries out 206 and step afterwards.
Concrete, at the multimedia file recommendation apparatus, obtain in the Preset Time section corresponding at request time, after the channel temperature and/or click volume of the multimedia file found, the multimedia file recommendation apparatus, according to channel temperature and/or click volume, is determined the weight of the multimedia file found.
Further, determine that the method for weight of the multimedia file find is for utilizing Lucene sort principle and formula here.Wherein, Lucene is a set of library of increasing income for full-text search and search, and a simple powerful application interface is provided, and can do full-text index and search to specified file.In embodiments of the present invention, specified file is used to indicate the multimedia file recommendation apparatus after obtaining the first parameter of multimedia file, the documentation of program of the numerical generation of indicated channel temperature and/or click volume according to the first parameter of multimedia file.
Concrete, the sequence formula of Lucene is as follows:
Wherein, Boost refers in the index process of establishing, is the weight of specified file setting, preferentially returns to mark high when retrieval.The unique specified function of t.getBoostO in above-mentioned formula, the t.getBoostO functional value of a certain special domain by changing entire chapter specified file or specified file is determined weight, and then definite weight size.
Further, cord (q, d) is coordinating factor, means the number percent that in specified file d, Term (t) occurs, namely calculates different Term (t) in querying condition q, and the quantity sum occurred in specified file, the ratio of both quantity.Usually occur in specified file that inquiry Term kind is more, score value is higher.
Further, queryNorm (q) is regulatory factor, and regulatory factor does not affect the index order situation, only when retrieval, use, and be mainly for ranking results can be compared between different querying conditions.This condition is to calculate in the time of search.Numerical value is to calculate according to the quadratic sum of each query term weight.The computing formula of regulatory factor is as follows:
Further, tf (tind) is the specified file frequency, is illustrated in the number of times that in query word, each Term occurs in (d) in corresponding specified file as a result.The number of times that query word occurs is more, means that the frequency of occurrences is higher, and the retrieval score of specified file is just higher.For fear of obtaining larger relevance function, in reality, access times square follow the value as specified file frequency tf, avoid numerical value excessively to amplify.
Further, idf (t) is contrary specified file frequency, is the reverse function of retrieval coupling specified file quantity.According to information theory, the number of times that specified file occurs is fewer, and the quantity of information of each piece of specified file will be larger, so the specified file number of coupling is fewer, score is just higher.And in index database, specify total number of files more, and find a table of contents mark specified file difficulty larger, corresponding quantity of information also can be larger.
Further, norm (t, d) is the length factor, is that the overall length in territory determines by each index word, and this parameter is determined when index is set up.Numerical value is determined according to the actual index entry number had in specified file.The ratio that term length accounts in the specified file total length is larger, and the numerical value of the length factor is also larger.The computing formula of the length factor is as follows:
So far, the multimedia file recommendation apparatus adopts above-mentioned Lucene formula, according to the first parameter of multimedia file, determines the weight of the multimedia file found.
206, the multimedia file recommendation apparatus is according to the weight of the multimedia file found, according to from large extremely little order, the multimedia file found being sorted.
Concrete, at the multimedia file recommendation apparatus according to channel temperature and/or click volume, after determining the weight of the multimedia file found, the multimedia file recommendation apparatus is according to the weight of the multimedia file found, according to from large extremely little order, the multimedia file found being sorted, the multimedia file found after then recommending to arrange to electronic equipment according to ranking results.
207, the multimedia file recommendation apparatus exports the multimedia file after sequence to electronic equipment.
Exemplary, the user inputs " making progress every day " in certain multimedia web site search column eight thirty of evening Friday, so can be using this operation of user as the multi-medium file search request, the multi-medium file search request comprises multimedia file keyword and request time, comprise that keyword " is made progress every day " and request time eight thirty of evening Friday, the multimedia file recommendation apparatus provides in storehouse and searches corresponding multimedia file the matchmaker according to the multimedia file keyword.If the quantity of the multimedia file found is 16, the multimedia file recommendation apparatus obtains in the Preset Time section corresponding at request time, channel temperature and the click volume of 16 multimedia files that find, and then the multimedia file recommendation apparatus is according to channel temperature and click volume, determine the weight of 16 multimedia files that find, according to from large extremely little order, the multimedia file found being sorted, the multimedia file found after then recommending to arrange to electronic equipment according to ranking results.
Embodiments of the invention provide a kind of multimedia file recommend method, by receiving the multi-medium file search request from electronic equipment, then according to the multi-medium file search conditional information, provide storehouse from the matchmaker multimedia file obtained with multi-medium file search request coupling, and then whether the quantity that judges multimedia file is greater than N, N is more than or equal to 1 integer, if, obtain in the Preset Time section corresponding at request time, the first parameter of the multimedia file found, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section, the first parameter according to multimedia file, determine the weight of the multimedia file found, the weight of the last multimedia file according to finding, arrange the multimedia file found according to preset rules, and export electronic equipment to.Thus, by add up and upgrade the first parameter of each multimedia file in different time sections, and then obtain the weight of each multimedia file, and can not reflect current hot information with the recommend method that solves current network information comprehensively, improve the success ratio of recommending.
Embodiment tri-
Embodiments of the invention provide a kind of multimedia file recommendation apparatus, as shown in Figure 3, comprising:
Receiving element 01, for receiving the multi-medium file search request from electronic equipment, the multi-medium file search request comprises multi-medium file search conditional information and request time, request time is used to indicate the time that the multi-medium file search request generates;
Search unit 02, for according to the multi-medium file search conditional information, from the matchmaker, provide storehouse the multimedia file obtained with multi-medium file search request coupling;
Whether processing unit 03, be greater than N for the quantity that judges multimedia file, and N is more than or equal to 1 integer; If so, obtain in the Preset Time section corresponding at request time, the first parameter of the multimedia file found, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section;
Performance element 04, for the first parameter according to multimedia file, determine the weight of the multimedia file found; According to the weight of the multimedia file found, arrange the multimedia file found according to preset rules, and export electronic equipment to.
Further, the first parameter of multimedia file comprises channel temperature and/or click volume, and the multimedia file that the indication of channel temperature finds in the Preset Time section is at the broadcasting time of each channel.
Further, as shown in Figure 4, this device also comprises:
Pretreatment unit 05, for adding up and upgrading channel temperature and/or the click volume that matchmaker in each Preset Time section provides each multimedia file in storehouse.
Further, performance element, for the first parameter according to multimedia file, adopt the Lucene formula to upgrade in the multimedia file found the weight with the multimedia file of the first parameter matching of multimedia file.
Further, performance element, the weight of the multimedia file also found for basis, according to from large extremely little order, the multimedia file found being sorted.
Embodiments of the invention provide a kind of multimedia file recommendation apparatus, by receiving the multi-medium file search request from electronic equipment, then according to the multi-medium file search conditional information, provide storehouse from the matchmaker multimedia file obtained with multi-medium file search request coupling, and then whether the quantity that judges multimedia file is greater than N, N is more than or equal to 1 integer, if, obtain in the Preset Time section corresponding at request time, the first parameter of the multimedia file found, the first parameter of multimedia file is used to indicate the degree that is concerned of the multimedia file found in the Preset Time section, the first parameter according to multimedia file, determine the weight of the multimedia file found, the weight of the last multimedia file according to finding, arrange the multimedia file found according to preset rules, and export electronic equipment to.Thus, by add up and upgrade the first parameter of each multimedia file in different time sections, and then obtain the weight of each multimedia file, and can not reflect current hot information with the recommend method that solves current network information comprehensively, improve the success ratio of recommending.
The those skilled in the art can be well understood to, for convenience and simplicity of description, only the division with above-mentioned each functional module is illustrated, in practical application, can above-mentioned functions be distributed and completed by different functional modules as required, the inner structure that is about to device is divided into different functional modules, to complete all or part of function described above.The system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described module or unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as the separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the purpose of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a multimedia file recommend method, is characterized in that, described method comprises:
Reception is from the multi-medium file search request of electronic equipment, and described multi-medium file search request comprises multi-medium file search conditional information and request time, and the described request time is used to indicate the time that described multi-medium file search request generates;
According to described multi-medium file search conditional information, from the matchmaker, provide storehouse the multimedia file obtained with described multi-medium file search request coupling;
Whether the quantity that judges described multimedia file is greater than N, and described N is more than or equal to 1 integer;
If, obtain in Preset Time section corresponding to described request time, the first parameter of the described multimedia file found, the first parameter of described multimedia file is used to indicate the degree that is concerned of the described multimedia file found in described Preset Time section;
According to the first parameter of described multimedia file, determine the weight of the described multimedia file found;
According to the weight of the described multimedia file found, arrange the described multimedia file found according to preset rules, and export described electronic equipment to.
2. method according to claim 1, it is characterized in that, the first parameter of described multimedia file, comprise channel temperature and/or click volume, the indication of described channel temperature in described Preset Time section the described multimedia file found at the broadcasting time of each channel.
3. method according to claim 1, is characterized in that, before the step in described reception from the multi-medium file search request of electronic equipment, also comprises:
Add up and upgrade channel temperature and/or the click volume that described matchmaker in each Preset Time section provides each multimedia file in storehouse.
4. according to the described method of any one in claim 1-3, it is characterized in that described the first parameter according to described multimedia file determines that the step of the weight of the described multimedia file found comprises:
According to the first parameter of described multimedia file, adopt the Lucene formula to upgrade in the described multimedia file found the weight with the multimedia file of the first parameter matching of described multimedia file.
5. according to the described method of any one in claim 1-3, it is characterized in that, the described weight according to the described multimedia file found, the step of arranging the described multimedia file found according to preset rules comprises:
According to the weight of the described multimedia file found, according to from large extremely little order, the described multimedia file found being sorted.
6. a multimedia file recommendation apparatus, is characterized in that, described device comprises:
Receiving element, for receiving the multi-medium file search request from electronic equipment, described multi-medium file search request comprises multi-medium file search conditional information and request time, and the described request time is used to indicate the time that described multi-medium file search request generates;
Search unit, for according to described multi-medium file search conditional information, from the matchmaker, provide storehouse the multimedia file obtained with described multi-medium file search request coupling;
Processing unit, for judging whether the quantity of described multimedia file is greater than N, described N is more than or equal to 1 integer, if, obtain in Preset Time section corresponding to described request time, the first parameter of the described multimedia file found, the first parameter of described multimedia file is used to indicate the degree that is concerned of the described multimedia file found in described Preset Time section;
Performance element, for the first parameter according to described multimedia file, determine the weight of the described multimedia file found; According to the weight of the described multimedia file found, arrange the described multimedia file found according to preset rules, and export described electronic equipment to.
7. device according to claim 6, it is characterized in that, the first parameter of described multimedia file, comprise channel temperature and/or click volume, the indication of described channel temperature in described Preset Time section the described multimedia file found at the broadcasting time of each channel.
8. device according to claim 6, is characterized in that, described device also comprises:
Pretreatment unit, for adding up and upgrading channel temperature and/or the click volume that described matchmaker in each Preset Time section provides each multimedia file in storehouse.
9. according to the described device of any one in claim 6-8, it is characterized in that,
Described performance element, also for the first parameter according to described multimedia file, adopt the Lucene formula to upgrade in the described multimedia file found the weight with the multimedia file of the first parameter matching of described multimedia file.
10. according to the described device of any one in claim 6-8, it is characterized in that,
Described performance element, also for the weight according to the described multimedia file found, according to from large extremely little order, the described multimedia file found being sorted.
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