CN101777070B - Interactive digital TV program searching method and inquiry server - Google Patents

Interactive digital TV program searching method and inquiry server Download PDF

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Publication number
CN101777070B
CN101777070B CN2010100194070A CN201010019407A CN101777070B CN 101777070 B CN101777070 B CN 101777070B CN 2010100194070 A CN2010100194070 A CN 2010100194070A CN 201010019407 A CN201010019407 A CN 201010019407A CN 101777070 B CN101777070 B CN 101777070B
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keyword
program
interactive digital
user
program information
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CN2010100194070A
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CN101777070A (en
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罗笑南
华建新
傅明
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Sun Yat Sen University
National Sun Yat Sen University
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National Sun Yat Sen University
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Abstract

The invention discloses an interactive digital TV program searching method and an inquiry server The method relates various program contents and information contents by calculating the correlation between key words and interactive digital TV programs, integrates and searches, so as to quickly and effectively help a user to find out contents that the user is interested in. Compared with a traditional searching method based on the key words, the invention adds the correlation of various key words, so that search results more satisfy the needs of the user. In addition, the invention processes through an offline module, thereby reducing the operation time of an online module when the user searches, and improving the speed of obtaining the search results.

Description

A kind of interactive digital TV program searching method and querying server
Technical field
The present invention relates to digital TV field, be specifically related to a kind of interactive digital TV program searching method and querying server.
Background technology
DTV has got into Rapid development stage at present, and the business relevant with DTV increases substantially, and the business that various play-on-demand programs, information inquiry and browsing etc. enriched also can represent to the user through the channel of DTV.Yet because the program on the various interactive channels is more and more, content is more and more abundanter, and " information is got lost " and " information overload " become serious day by day problem.The existing program searching method of showing with television channel lists normally utilizes TV Guide (EPG) to let the user select according to classification, has following defective:
1, follow carrying out of various interactive services, the program on the interactive channel is more and more, wants to find the time of user's interest program cost long.
2, owing between the various interactive services identical program is arranged all, be difficult to find the measured program of matter, selectivity ratios is relatively poor.
3, because the mechanism that provides of miscellaneous service often changes program, existing searching method can not upgrade in time, lacks ageing.
Summary of the invention
The technical problem that the present invention will solve provides a kind of searching method and querying server that makes things convenient for a kind of interactive digital TV program of user inquiring, search, location.
The present invention solves existing technical problem through following technical scheme:
The present invention provides a kind of interactive digital TV program searching method, comprising:
The line lower module of querying server is set up the TV program information database, and is set up a keyword database that comprises correlation degree between keyword and the TV programme through gathering programme information in real time;
The line upper module of querying server obtains the keyword of user's input, returns keyword set at the said keyword database rear line of inquiry;
After obtaining the keyword of user, inquire about said TV program information database, and, supply the user to select to the TV program information that the user returns inquiry according to said keyword set selection.
Preferably, after said line lower module is set up the TV program information database, also comprise program is classified;
Saidly when the user returns the TV program information of inquiry, be based on said classification and sort.
Preferably, correlation degree uses relevant (w between said keyword and the TV programme i, m) describe;
W wherein iRepresent a keyword; M represents an interactive digital TV program;
Correlation degree relevant (w i, computing formula m) is following:
relevant ( w i , m ) = Σ w j ∈ w sim ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; W is a keyword set all among the program m; Sim (w i, w j) represent two keyword w i, w jBetween similarity.
Preferably, said sim (w i, w j) computing formula following:
sim ( w i , w j ) = tog ( w i , w j ) sum ( w j )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; Tog (w i, w j) represent keyword w i, w jThe number of times that in a program, occurs simultaneously.
The present invention provides a kind of querying server, and said querying server comprises line lower module and line upper module;
Said line lower module is used for setting up the TV program information database through real-time collection programme information, and sets up a keyword database that comprises correlation degree between keyword and the TV programme;
Said line upper module is used to obtain the keyword of user's input, returns keyword set at the said keyword database rear line of inquiry; After obtaining the keyword of user, inquire about said TV program information database, and, supply the user to select to the TV program information that the user returns inquiry according to said keyword set selection.
Preferably, said line lower module also comprises program is classified after setting up the TV program information database;
Said line upper module is to sort according to said classification when the user returns the TV program information of inquiry.
Preferably, said line lower module is when foundation comprises the keyword database of correlation degree between keyword and the TV programme, and correlation degree uses relevant (w between said keyword and the TV programme i, m) describe;
W wherein iRepresent a keyword; M represents an interactive digital TV program;
Correlation degree relevant (w i, computing formula m) is following:
relevant ( w i , m ) = Σ w j ∈ w sim ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; W is a keyword set all among the program m; Sim (w i, w j) represent two keyword w i, w jBetween similarity.
Technique scheme can find out that the present invention has following beneficial effect:
Interactive digital TV program searching method of the present invention is to utilize the line lower module of querying server regularly to collect each interactive digital TV program provider's data source; Extract the keyword of program; And according to the classifying content of program; Set up the interactive digital TV program information database of a real-time update, then the interactive digital TV program information database of gathering is handled, set up the correlation degree database between a keyword and the interactive digital TV program; Utilize the line upper module; According to the correlation degree database between user entered keyword searching keyword and the interactive digital TV program; Obtain one according to the degree of association from big to small, the classifying search results of time order and function order turns back to user interface, the user can find programs of interest very easily through remote controller.The preliminary treatment of the line lower module through querying server, thus the operation time on the line reduced, improve the speed of obtaining Search Results, satisfy the demand of a large number of users; Through the calculating of the keyword and the interactive digital TV program degree of association, make Search Results meet user's demand more.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system configuration sketch map of interactive digital TV program searching method of the present invention;
Fig. 2 is the flow chart of interactive digital TV program searching method of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The present invention provides a kind of searching method of interactive digital TV program, can more convenient user inquiring, search, location, better meet user's needs.
In the present invention; The user is through STB search interactive digital TV program; STB sends to querying server with the searching key word of user's input; The line upper module of querying server carries out search operation, return relevant interactive digital TV program and be shown to user interface, and querying server obtains current interactive digital TV program information through the line lower module from broadcast network side.
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
As shown in Figure 1, be the system configuration sketch map of interactive digital TV program searching method of the present invention.
System configuration of the present invention mainly comprises three parts: STB, querying server, interactive digital TV program source server.
Wherein, said STB is the query contents that is used for receiving user's input, sends to querying server; Receive the interested interactive digital TV program of user's selection and send to querying server;
Wherein, said querying server is to be used to gather interactive digital TV program information and process user searching request, and querying server comprises line upper module, line lower module, interactive digital TV program information database, keyword database;
Said line upper module is to be used for the searching request of process user;
Said line lower module is to be used for gathering interactive digital TV program information, calculates the correlation degree between keyword and the interactive digital TV program;
Said interactive digital TV program information database is the interactive digital TV program information that the line lower module is gathered;
Said keyword database is that the line lower module calculates the database that the correlation degree between keyword and the interactive digital TV program obtains.
Wherein, said interactive digital TV program source server is responsible for the storage of interactive digital TV program and providing of resource.The Search Results that the user obtains through querying server is exactly the URL of interactive digital TV program, and this URL directly points to the resource on the interactive digital TV program source server.
Said interactive digital TV program source server can be to comprise VOD video server, time-moving television server, interactive game server and other interactive TV program servers etc.
The present invention the operation time of line upper module when having reduced user search, has improved the speed of obtaining Search Results through the line upper module of querying server and the division of labor of following two modules of line.
Following system according to the present invention describes in detail to method of the present invention.
Fig. 2 is the flow chart of interactive digital TV program searching method of the present invention.
As shown in Figure 2, case method of the present invention may further comprise the steps:
Step 101, the line lower module of querying server is gathered interactive digital TV program information in real time, sets up the interactive TV program information database, and classifies;
In this step, be to set up the interactive TV program information database of a program, classify programme information by content characteristic to the keyword mapping.
Step 102, the line lower module of querying server is handled the interactive digital TV program information database of gathering, and sets up the keyword database of the correlation degree between a keyword and the interactive digital TV program;
In this step, the correlation degree between keyword and the interactive digital TV program uses relevant (w i, m) correlation degree between keyword and the program is described; W wherein iRepresent a keyword; M represents an interactive digital TV program.
Correlation degree relevant (w i, computing formula m) is following:
relevant ( w i , m ) = Σ w j ∈ w sim ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; W is a keyword set all among the program m; Sim (w i, w j) represent two keyword w i, w jBetween similarity.These keywords are not independently between them, exist certain association, take into account the association between the keyword, help to search the result of user's needs so more.
Sim (w i, w j) computing formula following:
sim ( w i , w j ) = tog ( w i , w j ) sum ( w j )
Wherein, sum (w i) represent keyword w jThe number of times that key word item occurs in the interactive digital TV program information database; Tog (w i, w j) represent keyword w i, w jThe number of times that in a program, occurs simultaneously.
Step 103, the user is through remote controller input keyword;
Step 104, the line upper module of querying server obtains the keyword that the user provides, and the searching keyword database returns the keyword set of importing the keyword coupling with the user;
In this step, querying server line upper module obtains the keyword that the user provides, and is that the STB through the user sends over.
Step 105, user's selection keyword that uses a teleswitch;
Step 106, the line upper module of querying server are obtained the keyword that the user selects, and searching keyword database and interactive digital TV program information database obtain the interactive digital TV program information that the user needs;
In this step, the line upper module of querying server obtains the keyword that the user selects, and is that the STB through the user sends over.
Step 107, user interface classification and according to the correlation degree result that returns of sequencing display from big to small;
The line upper module of querying server provides user interface classification, according to the correlation degree result that obtains of sequencing display step 106 from big to small.
In this step, to classify according to the classification results of step 101, correlation degree is the correlation degree relevant (w that calculates in the step 102 i, m).
Step 108, user use a teleswitch control, selection, function of browse are selected interactive digital TV program;
The user is according to step 107 result displayed, and the control that uses a teleswitch, selection, function of browse are selected.
Step 109, the user selects interested interactive digital TV program;
In this step, the user selects interested interactive digital TV program to watch easily.
Need to prove; The interactive digital TV program searching method of the embodiment of the invention is based on existing general digital television standard, data broadcasting html page technology; Adopt STB+remote controller+querying server to realize; Transmission course is based on digital television standard, and selection sort program function is based on that data broadcasting html page technology realizes.
Generally, the inventive method associates various programme contents, the information content through calculating the method for the degree of association between keyword and the interactive digital TV program, integrates search, thereby helps the user to find interested content fast and effectively.Compared with traditional way of search based on keyword, the present invention adds the degree of association between each keyword, thereby the result of search meets user's demand more.The present invention handles through utilizing the line lower module in addition, the operation time of line upper module when having reduced user search, has improved the speed of obtaining Search Results.
In sum, the present invention has following beneficial effect:
Interactive digital TV program searching method of the present invention is to utilize the line lower module of querying server regularly to collect each interactive digital TV program provider's data source; Extract the keyword of program; And according to the classifying content of program; Set up the interactive digital TV program information database of a real-time update, then the interactive digital TV program information database of gathering is handled, set up the correlation degree database between a keyword and the interactive digital TV program; Utilize the line upper module; According to the correlation degree database between user entered keyword searching keyword and the interactive digital TV program; Obtain one according to the degree of association from big to small, the classifying search results of time order and function order turns back to user interface, the user can find programs of interest very easily through remote controller.The preliminary treatment of the line lower module through querying server, thus the operation time on the line reduced, improve the speed of obtaining Search Results, satisfy the demand of a large number of users; Through the calculating of the keyword and the interactive digital TV program degree of association, make Search Results meet user's demand more.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to accomplish through program; This program can be stored in the computer-readable recording medium; Storage medium can comprise: read-only memory (ROM; Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
More than to a kind of interactive digital TV program searching method and querying server that the embodiment of the invention provided; Carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims (4)

1. an interactive digital TV program searching method is characterized in that, comprising:
The line lower module of querying server is set up the TV program information database, and is set up a keyword database that comprises correlation degree between keyword and the TV programme through gathering programme information in real time;
The line upper module of querying server obtains the keyword of user's input, returns keyword set at the said keyword database rear line of inquiry;
After obtaining the keyword of user, inquire about said TV program information database, and, supply the user to select to the TV program information that the user returns inquiry according to said keyword set selection;
Correlation degree uses relevant (w between said keyword and the TV programme i, m) describe;
W wherein iRepresent a keyword; M represents an interactive digital TV program;
Correlation degree relevant (w i, computing formula m) is following:
relevant ( w i , m ) = Σ w j ∈ w sin ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; W is a keyword set all among the program m; Sim (w i, w j) represent two keyword w i, w jBetween similarity;
Said sim (w i, w j) computing formula following:
sim ( w i , w j ) = tog ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; Tog (w i, w j) represent keyword w i, w jThe number of times that in a program, occurs simultaneously.
2. interactive digital TV program searching method according to claim 1 is characterized in that:
After said line lower module is set up the TV program information database, also comprise program is classified;
Saidly when the user returns the TV program information of inquiry, be based on said classification and sort.
3. an interactive digital TV program searcher is characterized in that, comprising:
The line lower module of querying server is set up the TV program information database, and is set up a device that comprises the keyword database of correlation degree between keyword and the TV programme through gathering programme information in real time;
The line upper module of querying server obtains the keyword of user's input, returns the device of keyword set at the said keyword database rear line of inquiry;
After obtaining the keyword that the user selects according to said keyword set, inquire about said TV program information database, and return the TV program information of inquiry, the device that supplies the user to select to the user;
Said line lower module is when foundation comprises the keyword database of correlation degree between keyword and the TV programme, and correlation degree uses relevant (w between said keyword and the TV programme i, m) describe;
W wherein iRepresent a keyword; M represents an interactive digital TV program;
Correlation degree relevant (w i, computing formula m) is following:
relevant ( w i , m ) = Σ w j ∈ w sin ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; W is a keyword set all among the program m; Sim (w i, w j) represent two keyword w i, w jBetween similarity;
Said sim (w i, w j) computing formula following:
sim ( w i , w j ) = tog ( w i , w j ) sum ( w i )
Wherein, sum (w i) represent keyword w iThe number of times that key word item occurs in the interactive digital TV program information database; Tog (w i, w j) represent keyword w i, w jThe number of times that in a program, occurs simultaneously.
4. interactive digital TV program searcher according to claim 3 is characterized in that:
Said line lower module also comprises program is classified after setting up the TV program information database;
Said line upper module is to sort according to said classification when the user returns the TV program information of inquiry.
CN2010100194070A 2010-01-14 2010-01-14 Interactive digital TV program searching method and inquiry server Expired - Fee Related CN101777070B (en)

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Publication number Priority date Publication date Assignee Title
CN102217317A (en) * 2011-06-24 2011-10-12 华为终端有限公司 Method, device and system for searching TV program based on headend server
CN102833596B (en) * 2012-09-20 2014-09-17 北京酷云互动科技有限公司 Information transmitting method and device
CN103179461A (en) * 2013-03-27 2013-06-26 四川长虹电器股份有限公司 Method for recommending smart television content
CN104811788A (en) * 2015-04-29 2015-07-29 浪潮软件集团有限公司 Efficient real-time searching method for live television programs

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