KR100889989B1 - System for providing interactive broadcasting terminal with recommended keyword for searching broadcasting program, and method for the same - Google Patents

Abstract

A recommendation keyword providing system for a program searching method providing recommending search words based on the use history of a user for the bidirectional broadcast terminal and a method thereof are provided to search a program by offering search word recommendation and analyzing search logs. A usage history DB(215) collects the use history of a user. The program research log DB(211) stores the search logs relating to the broadcasting program. A program search word recommending unit(220) generates produces search word recommendation data by analyzing use history and search log. Search word recommendation data is generated based on the audition flat and viewing time zone of a user.

Description

SYSTEM AND METHOD FOR PROVIDEING KEYWORDS FOR SEARCHING PROGRAMS {SYSTEM FOR PROVIDING INTERACTIVE BROADCASTING TERMINAL WITH RECOMMENDED KEYWORD FOR SEARCHING BROADCASTING PROGRAM, AND METHOD FOR THE SAME}

The present invention relates to a broadcast program search word recommendation system and method, and more particularly, to a system and method for providing a recommendation search word based on a user's usage history to an interactive broadcast terminal.

Recently, as the boundary between broadcasting and data communication is broken down, interactive broadcasting services such as video on demand (VOD), data broadcasting, T-commerce, and IPTV are actively developed.

Such bidirectional broadcasting goes beyond simply providing the same broadcast contents to all users, reflects the needs of viewers by using a return channel, and provides a service that provides the contents selected by the viewers directly.

On the other hand, as various services of the Internet are converged in broadcasting, a search service, which is one of the most important services of the Internet service, is also available in a broadcast receiver. For example, IPTV provides a broadcast content using an Internet IP-based network while providing a variety of existing IP-based services by integrating with broadcast. In particular, there is a great demand for content-related keyword searches that can immediately solve the viewer's curiosity about broadcast content.

In addition, an electronic program guide (EPG) service, which provides various broadcast program information, has recently been commercialized, and a digital broadcast receiver such as a set top box (STB) has received an EPG information, By outputting through the screen of the external connection device such as, so that the user can easily search for the desired broadcast program information.

1 is a schematic configuration diagram of a general IPTV broadcasting service system. Referring to FIG. 1, a general IPTV broadcast service system includes a broadcaster 10, an IPTV broadcast system 20, and a user terminal 30.

The IPTV broadcasting system 20 includes a storage server for storing broadcast content, a control server for transmitting broadcast content to the user terminal 30 and processing a user request signal input from a return channel, and a distribution server for distributing broadcast content. And the like.

The IPTV broadcasting system 20 manages program contents and EPGs provided from a content provider (CP) or a broadcaster 10 and distributes program contents to a place adjacent to a subscriber through a CDN (Content Delivery Network). It can provide a broadcast / recording / playback service. In this case, the content provided from the content provider or the broadcaster 10 may include related additional information.

The user terminal 30 is an apparatus for using an Internet broadcasting service, and is generally composed of an IPTV 31, a set top box 32, and a remote controller 33. The IPTV 31 outputs the broadcast content received from the IPTV broadcasting system 20 and transmits the user request signal received through the remote controller 33 to the IPTV broadcasting system 20 through the return channel of the set top box 32. do.

2A and 2B are diagrams showing examples of a grid EPG screen and a mosaic EPG screen according to the prior art, respectively.

Referring to FIG. 2A, a grid EPG 40 is a two-dimensional table in which time is arranged vertically and horizontally, and 5 to 10 channels are displayed on one screen, and current and future programs can be searched. Do.

Referring to FIG. 2B, the mosaic EPG 50 may display about 16 to 20 programs that are currently being broadcasted in a video form on one screen, but may be composed of several pages to cover the entire channel.

However, the grid EPG 40 and the mosaic EPG 50 according to the prior art only provide the user with information that any program is broadcasted on any channel at any time. In other words, broadcasting schedules for each channel (airtime, program title, genre, plot, and other related information) were transmitted to the TV or digital set-top box, and when the user presses a specific key on the remote control, the channel and time schedule are provided. .

In addition, since the grid EPG 40 and the mosaic EPG 50 according to the related art are services for browsing a program pool corresponding to a viewing condition of a user, a qualitative evaluation of a program is not performed. In addition, since the grid EPG 40 and the mosaic EPG 50 according to the related art are completely dependent on information input from the program provider PP in advance, there is a lack of program-related information, and there is also a lack of information relevance and flexibility considerations. .

According to the prior art, there is a problem that it is difficult for a user to know how popular the program is or how it suits his or her taste because there is no qualitative evaluation of the program. In addition, the grid EPG 40 and the mosaic EPG 50 according to the prior art have a problem of lack of ease of use and no consideration of user habits.

That is, although the channel browsing in the grid EPG 40 and the mosaic EPG 50 according to the prior art is more convenient than the existing channel zapping, the browsing tends to become more difficult as the channel is increased. In addition, simple search based on genre is supported in the EPG, but there is a problem that it is difficult to give the user satisfaction due to the meaningless sorting of the search results.

On the other hand, as the first prior art, Korean Patent Application No. 2005-0116931 (Application Date: December 02, 2005) discloses the invention named "Program guide information search method in a digital broadcasting system".

The first prior art discloses a technique for easily performing a web search by selecting an arbitrary phrase from the guide information after displaying program guide information in a received broadcast signal.

In addition, as a second prior art, Korean Patent Application No. 2003-0006285 (application date: January 30, 2003) discloses an invention named "electronic program magazine".

The second prior art discloses a technique for displaying a web page searched by a plurality of web search engines using the name of a program currently being broadcast or a program selected from a running EPG as a search word.

Accordingly, in the related art, in consideration of the inconvenience of inputting a search word in a TV remote controller, a search engine is selected by selecting an arbitrary phrase among program guide information and using it as a keyword, or selecting a program name displayed on an EPG as a keyword. Only to disclose a technology to search, there was a problem that can not consider at all about the user's satisfaction and taste suitability according to the search.

SUMMARY OF THE INVENTION The present invention has been made in an effort to solve the above-described problem, and to provide a broadcast program search word recommendation system and method for a user to easily search for a broadcast program or content.

The present invention also provides a broadcast program search word recommendation system and method for improving a user's taste suitability based on a program viewing history and a search log.

As a means for achieving the above-described technical problem, the system for recommending a program search word to the interactive broadcast terminal according to the first aspect of the present invention stores a usage history DB for collecting a user's usage history, the search log associated with the broadcast program It includes a program search log DB and a program search word recommendation unit for generating a search term recommendation data by analyzing the use history and the search log.

Here, the keyword recommendation data may be generated based on the viewing date and viewing time of the user, and may be generated by additionally considering program information and programming table data related to a broadcast program.

In addition, the keyword recommendation data may be classified into a program-related recommendation keyword and a VOD-related recommendation keyword, and the VOD-related recommendation keyword may be classified by genre to search by genre.

On the other hand, as another means for achieving the above-described technical problem, the method for performing a program search based on the recommended search terms according to the second aspect of the present invention comprises the steps of receiving and displaying a recommended search word, the desired search word among the displayed recommended search words Selecting and transmitting to the search engine and receiving and displaying the program search results from the search engine, the recommended search word is generated based on the search log and the user's usage history.

As described above, according to the present invention, by providing a search word recommendation by analyzing a search log and a usage history, there is provided a broadcast program search word recommendation system and method that enables a user to easily search for a program.

In addition, by providing a search word recommendation by analyzing a search log and a use history, a broadcast program search word recommendation system and method for improving user satisfaction and user's taste suitability are provided.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

Hereinafter, the present invention will be described using limited terms such as "IPTV", but the present invention is not necessarily limited thereto, and it will be readily understood by those skilled in the art that the present invention is applicable to all broadcasting systems capable of bidirectional communication.

First, the Internet protocol TV (hereinafter, referred to as IPTV) will be described in order to describe the present invention. Recently, the broadcasting environment is changing due to the development of technology and changing demand of viewers. In other words, the recent broadcasting environment has changed considerably, such as conversion from analog broadcasting to digital broadcasting, diversification of broadcasting media such as cable and satellite from the terrestrial wave, interactivity with communication networks, and increasingly intelligent broadcasting terminals. Are going through.

Called by various concepts such as Smart TV, Enhanced TV, Intelligent TV, etc., IPTV allows viewers to control what they watch and when to watch it. It is a TV that integrates Internet service, data broadcasting service, and personal video recorder (PVR) functions.

IPTV broadcasting service is a service that allows viewers and broadcasting stations to interact with each other, rather than unilaterally transmitting programs like conventional broadcasting. To this end, the broadcasting station may additionally produce content in which the interactive function is implemented in addition to the program, and transmit the content to the viewer, and the viewer may communicate the intention through a return channel. IPTV broadcasting service refers to a service that provides digital video service, interactive data service, and various personalized services by using a differentiated high-speed broadband network.

The main feature of IPTV broadcasting service is the active service where the user takes action while watching actual TV from the one-way and passive service of the existing TV. It is an experience-expansion type that is extended to people of all ages.

IPTV service is largely provided through the sequential flow of content, platform, network, and terminal. In the content part, existing broadcasting content and rich content on the Internet are fused, and in the platform part, the fused content is reconfigured for TV. In the network part where QoS is guaranteed, fused content for TV is transmitted to the high-speed Internet network. It is delivered to the user as part of a set-top box-based TV.

IPTV technology can be divided into head-end, network, and terminal technology. Headend technology is a system-related technology, a baseband system for receiving and distributing broadcast content, compressing received video signals according to network efficiency, multiplexing data signals, and then encrypting (scrambled) and IP packets for transmission. Integrate information flow through compression multiplexing systems, encryption for real-time channels, and pre-encryption of Video On Demand (VOD) content to control viewing rights, privacy-protection systems that protect content, and organic combinations with each system It is divided into a comprehensive media management system for managing, data broadcasting system for transmitting video signals and various interactive additional services, VOD system for VOD service, and provisioning system technology for settlement and customer management. Network technologies include multicasting and QoS techniques for reliable content delivery between headends and set-top boxes. In addition, the terminal technology includes a video codec technology for providing high picture quality to a subscriber and a middleware technology for providing an interactive data service.

Hereinafter, a broadcast service system having a program search word recommendation system according to an embodiment of the present invention will be described with reference to FIG. 3. Hereinafter, the broadcast program search term recommendation system includes a program search term recommendation system.

3 is a schematic diagram of a broadcast service system including a program search word recommendation system according to an embodiment of the present invention.

As shown in FIG. 3, a broadcast service system including a program search word recommendation system according to an embodiment of the present invention includes a broadcaster server 100, an IPTV broadcast system 1000, a program search word recommendation system 200, And a user terminal 300 and a website server 400.

The website server 400 is a portal site server including a search engine. When a plurality of users access the website server 400 to query or search for a TV program related query, the website server 400 The search log is transferred to the program search log DB in the program search word recommendation system 200 via the Internet network.

The program search term recommendation system 200 may include program search term recommendation data based on a user's usage history (eg, a program viewing history, a reservation history, etc.) and a TV program related search log searched by a search engine of the website server 400. Create The program search word recommendation system 200 may extract key keywords by analyzing keyword related information such as title, genre, and cast, and modeling usage history patterns by analyzing relevant information of a program that the user has watched. A detailed description of the program search term recommendation system 200 will be described later.

Here, the Internet connects the website server 400 with the program search word recommendation system 200, and transmits the broadcast content provided by the IPTV broadcasting system 1000 to the set-top box 320 of the user terminal 300. An IP (Internet Protocol) network using a unicasting protocol or a multicast routing protocol for transmitting a request signal from the terminal 300 to the IPTV broadcasting system 1000.

The IPTV broadcasting system 1000 transmits the broadcast content to a storage server for storing broadcast content and the user terminal 300, and transmits a user request signal (program search word recommendation request signal, additional information request signal, etc.) input from a return channel. It may include a control server for processing, a distribution server for distributing broadcast content.

The user terminal 300 is an apparatus for using an Internet broadcasting service, and generally includes an IPTV 310, a set top box 320, and a remote controller 330. The user terminal 300 plays the broadcast content received from the IPTV broadcasting system 1000, and transmits the user request signal received through the remote controller 330 to the IPTV broadcasting system 1000 through the return channel of the set-top box 320. To pass.

The user terminal 300 may use any one of a TV with an IP set-top box, an IP set-top box, a desktop computer, a notebook computer, or a personal portable terminal connected to the user's TV.

An IP set-top box (IP STB) is a hardware layer made up of STB hardware such as a CPU, media processor, flash RAM, and Ethernet module, a system software layer containing system software such as device drivers and an operating system, and a Java Virtual Machine. JVM), conditional access system (CAS) module and digital rights management (DRM) interface module, middleware layer with streaming protocol (RTP, RTSP), MPEG2, MPEG4, MPEG7, H.264 It supports four multi codecs such as WMV-9 and includes four layers of application layers including an electronic program guide (EPG) for selecting an IPTV service channel. In this case, the subscriber's IP set-top box may be assigned an IPv4 address or an IPv6 address.

Hereinafter, a program search word recommendation system 200 according to an embodiment of the present invention will be described with reference to FIG. 4. 4 is a block diagram of a program search word recommendation system 200 according to an embodiment of the present invention.

As shown in FIG. 4, the program search word recommendation system 200 according to an embodiment of the present invention includes a search log DB 211, a related search word DB 212, a program table DB 213, and a program information DB 214. ), A usage history DB 215, a program search term recommender 220, and a recommendation keyword transmitter 230.

The search log DB 211 stores search log data provided from the web server 400. The search log DB 211 may be a program search log DB that stores a search log related to a broadcast program or VOD content.

The related search word DB 212 stores related search words corresponding to a specific search word, for example, another search word searched by a user who searches for a specific program, a search word overlapping or continuous with a specific program name, and the like.

The program table DB 213 stores program schedule data provided from the broadcaster server 100, and the program information DB 214 stores program related information provided from the broadcaster server 100.

In addition, the usage history DB 215 receives and stores usage history information (eg, viewing history and reservation history) of the user terminal 300 from the broadcasting company server 100.

As described above, the program search word recommender 220 may not only search log data received by the web server 400 and related search words corresponding to each search word), but also program information received from the broadcasting company server 100 and the corresponding program. The program related search word pool may be configured by combining additional information such as caption / subtitle information and schedule table data transmitted simultaneously.

The program search term recommender 220 is based on one or more of the search log DB 211, the related search word DB 212, the schedule DB DB 213, the program information DB 214, and the usage history DB 215. Generate search term recommendation data.

For example, the program search term recommender 220 extracts a usage history of a user to provide a recommendation keyword from the usage history DB 215, and displays a program mainly viewed by the user on a day and time zone based on the extracted usage history. Extract.

Thereafter, the program search word recommendation unit 220 generates a set of recommended keywords based on the program search log associated with the extracted program, the program information and the schedule table data provided from the broadcasting company server 100, and the like.

The program search log may classify a search log received through a TV-related search path among the general search logs as a program search log, or classify a program search log having a correlation with a broadcast-related keyword set in the general search log above a threshold. . The search word received through the TV related search path may be, for example, a search word received from a TV related web page among web pages provided by the web server 400 and a user terminal 300 playing a TV program. May include a search term.

In addition, the program search word recommendation unit 220 may extract keywords related to each program from the program information stored in the program information DB 214, and generate a recommendation keyword based thereon. The keyword extracted from the program information may be, for example, the title, genre, cast, or the like of the program.

The program search term recommendation unit 220 operates based on the user's usage history and search log, and the usage history and search log include time information (date information on time of use or search, time information, etc.). An appropriate set of recommended keywords can be generated based on the viewing date and viewing time.

Meanwhile, the recommended keyword may be classified into a program related keyword and a VOD related keyword. This is to prepare for the VOD recommendation keyword because the VOD title itself may be sensational. In addition, the VOD-related recommendation keyword may be provided by classifying the recommendation keyword by genre such as a large genre, a middle genre, and a series to search by genre.

The recommended keyword transmitter 240 transmits the recommended keyword generated by the program keyword recommender 220 to the user terminal 300.

The program search term recommendation system 200 may further include a screen processor configured to process the list of recommended search terms in a screen format output from the user terminal 300. Alternatively, the screen processing unit may be configured to exist in the user terminal 300. The screen processed by the screen processing unit will be described later with reference to FIGS. 5A and 5B.

As such, the program search term recommendation system 200 according to an exemplary embodiment of the present invention, unlike the conventional technology of searching for a program based only on program-related information provided from the broadcaster server 100, The program search word may be recommended by synthesizing the search log associated with the broadcast program collected by the search engine.

Hereinafter, a broadcast program keyword recommendation screen according to an embodiment of the present invention will be described with reference to FIGS. 5A and 5B.

5A and 5B are diagrams specifically illustrating a broadcast program search word recommendation screen according to an embodiment of the present invention. 5A illustrates a broadcast program related search word recommendation screen, and FIG. 5B illustrates a VOD related search word recommendation screen.

As shown in FIG. 5A, the program search word recommendation screen according to an embodiment of the present invention may include a program search selector 910, a direct input search window 920, a recommended search term display unit 930, and a search result display unit 940. Including, but not necessarily limited to.

The program search selector 910 may move to a program search from a selector consisting of a recommended program, a program ranking, a program search, and a VOD search.

The direct input search window 920 allows a user to directly input a keyword to search, displays a Korean IME when directly inputting, and supports a search word auto-completion function.

The recommended search term display unit 930 recommends a program search term based on a user's usage history and a search log. In addition, the recommended search term display unit 930 may recommend popular search terms related to a program, and may recommend a program title, a genre, a popular star, and other search terms.

The search result display unit 940 displays a search result of the broadcast program and a VOD search result, and a user may select or reserve a program that he / she wants to watch on the search result screen displayed as described above.

5B, the VOD related search word recommendation screen of the program search word recommendation system according to an embodiment of the present invention may include a VOD search selector 1010, a direct input search window 1020, and a recommendation search term display 1030. ) And a search result display unit 1040, but are not necessarily limited thereto.

The VOD related search word recommendation screen is different from the broadcast program related search word recommendation screen of FIG. 5A only in that the search object and the search word recommendation object are VOD, and the operation and configuration thereof are similar, and thus the detailed description thereof will be omitted.

However, the recommended search term display unit 1030 may display the recommended search terms by genre as a genre, a middle genre, or a series. In particular, in the case of an adult VOD, this may be set as a major genre, and an adult-related authentication may be performed when selected. It may be.

In addition, the search result display unit 1040 may present the VOD as a search result, and select and view a plurality of desired VODs to view and reserve.

In FIG. 5B, the program recommendation search word screen and the VOD recommendation search word screen are separately configured, but the present invention is not necessarily limited thereto, and may be provided together on one screen.

The reason for separately configuring the VOD recommendation search query screen in FIG. 5B is that the VOD recommendation search query itself may be sensational, so that the adult-related VOD is exposed only when adult authentication is completed.

Hereinafter, a program keyword recommendation method according to an embodiment of the present invention will be described with reference to FIG. 6. 6 is a flowchart illustrating a program keyword recommendation method according to an embodiment of the present invention.

First, usage history information such as a viewing history, a reservation history, and the like of the user is extracted from the usage history DB (S610). In this way, by extracting the usage history information, it is possible to grasp the program that the user frequently watches by day and time.

Next, the search log associated with the broadcast program thus identified is extracted from the search log DB (S620). In addition to the search log collected by the search engine in this way, keywords can be extracted from program information and programming data provided from the broadcaster server.

Next, an appropriate recommended search term set is generated based on the usage history information, the broadcast program related search log, and the keyword extracted from the program information (S630). The set of recommended search words generated as described above may be changed in real time according to the viewing date and time of the user.

Thereafter, the set of recommended search terms are processed in a format that a user can check and search, and are transmitted to the user terminal (S640). At this time, it is possible to provide a program search using a variety of categories (title, genre, star, etc.).

Hereinafter, a program search method based on a recommended search word according to an embodiment of the present invention will be described with reference to FIG. 7. 7 is a flowchart illustrating a program search method based on a recommended search word according to an embodiment of the present invention.

The user terminal receives and displays a recommended search word from the program search word recommendation system (S710). As described above, the recommended search word displayed on the TV screen may be a recommended search word based on a viewing date and time. In addition, screens that provide suggestions can be configured to display program-related and VOD-related suggestions on separate screens. VOD-related suggestions can only be received when an adult-related VOD search query is received or Can be configured to be displayed.

The user selects a specific keyword to be searched among the recommended search words displayed on the screen (S720), and the user terminal transmits the selected specific keyword to the program search engine (S730). The program search engine may be configured separately from the general web search engine or may be integrated.

Thereafter, the user terminal receives a program / VOD search result from the program search engine and displays the result on the screen (S740). The user may view or reserve the selected program / VOD by selecting one or more programs / VOD among the displayed program / VOD search results (S750).

As such, according to the broadcast program search word recommendation system and method according to an embodiment of the present invention, a differentiated service is possible by using a combination of a user's usage history information and a rich search query of a search engine.

Broadcasting program search word recommendation system and method according to an embodiment of the present invention by analyzing the search log related to the broadcast program and the user's usage history, recommends a program query with a high interest and satisfaction of the user, the user's interest conversion Tracking in real time can actively provide conversion of program query recommendations.

As a result, a broadcast program search term recommendation system and method for allowing a user to easily search for a program are provided. In addition, there is provided a broadcast program search word recommendation system and method with improved user satisfaction and user preference suitability.

An embodiment of the present invention may also be implemented in the form of a recording medium including instructions executable by a computer, such as a program module executed by the computer. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, computer readable media may include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transmission mechanism, and includes any information delivery media.

Although the methods and systems of the present invention have been described in connection with specific embodiments, some or all of their components or operations may be implemented using a computer system having a general purpose hardware architecture.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a schematic configuration diagram of a general IPTV broadcasting service system,

2A and 2B are diagrams each showing an example of a grid EPG screen and a mosaic EPG screen according to the prior art;

3 is a schematic configuration diagram of a broadcast service system having a program search word recommendation system according to an embodiment of the present invention;

4 is a block diagram of a program query recommendation system according to an embodiment of the present invention;

5A and 5B are diagrams specifically illustrating a broadcast program search word recommendation screen according to an embodiment of the present invention.

6 is a flowchart illustrating a program search word recommendation method according to an embodiment of the present invention.

7 is a flowchart illustrating a program search method based on a recommended search word according to an embodiment of the present invention.

Claims (13)

In the system for recommending a program search word to the interactive broadcast terminal, A usage history DB for collecting user usage history; Program search log DB for storing the search log related to the broadcast program and A program search term recommender configured to generate search term recommendation data by analyzing the usage history and the search log; Including, And the search word recommendation data is generated based on a viewing date and a viewing time zone of the user. delete The method of claim 1, The search word recommendation data is generated in consideration of program information and program data related to the broadcast program in addition to the broadcast program search word recommendation system. The method of claim 1, And the search log includes a search word received from a user terminal playing a broadcast program. The method of claim 1, The search term recommendation data is classified into a program related keyword and a VOD related keyword. The method of claim 5, wherein The VOD-related recommendation keyword is classified by genre to search by genre. The method of claim 1, And a screen processing unit which processes and outputs the search word recommendation data in a screen format output from a user terminal. In the method of performing a program search based on the suggestions, Receiving and displaying suggestions Selecting the desired search terms from the displayed search suggestions and sending them to a search engine; and Receiving and displaying a program search result from the search engine Including but not limited to: The recommended search term is generated based on a search log, a user's usage history, viewing date and viewing time. delete The method of claim 8, The displaying of the recommended search term is a program search method for displaying a program related search term and a VOD related search term on separate screens. The method of claim 10, If the VOD-related recommendation search terms correspond to adult VOD recommendations, the adult VOD recommendation search term is displayed only when the adult is authenticated. The method of claim 8, A program searching method for viewing or reserving a selected program by selecting a desired program from the displayed program search results received from the search engine. In the broadcast program search method recommendation method, Analyzing internet search logs related to broadcast programs provided from a search engine, Analyzing the user's history of use, Recommending a search word according to a viewing date and viewing time of a user included in the internet search log and the usage history; and Processing the recommendation of the search word in a format that a user can check and search for the output; Broadcast program query recommendation method comprising a.

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