JP5344937B2 - SEARCH METHOD, SEARCH SYSTEM, AND SEARCH TERM GENERATION DEVICE BASED ON METALL INFORMATION OF TV PROGRAM - Google Patents

Description

  The present invention relates to a search method, a search system, and a search term generation device based on meta information of a television program.

  2. Description of the Related Art Conventionally, a technique for displaying television program meta-information such as television program information, caption information, EPG (Electronic Program Guide) information, and the like with a television program in a television broadcast receiver is known. In addition, a technique for providing a service to a user using such meta information has been proposed (for example, see Patent Document 1).

  Patent Document 1 proposes the following technique. First, a keyword included in program information (meta information) of a program to be searched is acquired, and the genre of the program is determined from the acquired keyword. When it is determined that the genre of the program is a sports program, a variety program, or a news program, a search is performed based on the name of the performer included in the program information. When it is determined that the program is a movie program or a drama program, a search is performed based on the role name of the performer included in the program information.

JP 2008-22292 A

  However, in the technique proposed in Patent Literature 1, it is necessary to select a television program name by a user operation when performing a search using meta information of the television program. On the other hand, there is a demand for a technique for quickly searching for the contents of TV programs and information on performers who are interested during viewing.

  Therefore, the present invention provides a search method, a search system, and a search based on the meta information of a TV program that can quickly search for information on the TV program that the user is interested in during viewing based on the meta information of the TV program. An object is to provide a term generation device.

  The present invention provides the following solutions.

  (1) It is executed by a television broadcast receiver having a display unit and receiving input from a remote operation terminal, a search term generator and a search server connectable to the television broadcast receiver via a communication line. A search method based on meta information of a television program, wherein the search term generation device performs a morpheme analysis step for metamorphic analysis of the meta information of the TV program, and the search term generation device uses the meta information analyzed by the morpheme analysis. A search term transmission step of transmitting the search term extracted from a search term storage means in which a search term is stored using a morpheme based to the television broadcast receiver, and the search that the television broadcast receiver has transmitted The search received while the term is received and the television program is displayed in the first display area of the display unit. A switching display step of sequentially switching and displaying the program on the second display area displayed on the first display area at predetermined intervals, and selecting the search terms displayed by the television broadcast receiver And a search result receiving step of transmitting the received search term as a query to the search server and receiving a search result for the transmitted query from the search server. A search method based on meta information of TV programs.

  According to the configuration of (1), the search method acquires meta information of a television program and performs morphological analysis on the acquired meta information. Next, the search term is extracted from the search term storage means in which the search term is stored using the morpheme based on the meta information subjected to the morphological analysis, and the extracted search term is transmitted to the television broadcast receiver. Next, while the transmitted search term is received and the TV program is displayed in the first display area, the received search term is switched to the second display area displayed on the first display area at predetermined intervals. Display sequentially. Then, selection of a search term is accepted by input from a remote operation terminal, the accepted search term is transmitted as a query to the search server, and a search result for the transmitted query is received from the search server.

  Therefore, when the user is interested in the content of the television program displayed on the television broadcast receiver, the user can quickly search for information on the content of the television program by selecting the search term displayed in the first display area. can do.

  (2) The search method according to (1), wherein in the search term transmission step, a related term related to the search term is transmitted together with the extracted search term.

  According to the configuration of (2), the search method transmits a related term related to this search term together with the extracted search term. Therefore, when searching for the contents of the television program, the user can search not only the search terms but also related terms related to the search terms as a query.

  (3) A storage step in which the television broadcast receiver temporarily stores the search term or the related term displayed by switching, and the search term or the relation stored in the television broadcast receiver. A display step for displaying a term, wherein in the switching display step, selection of the displayed search term or the related term is received, and in the search result receiving step, the received search term or the related term is displayed. The search method based on meta information of a television program according to (2), wherein the search method is transmitted as a query.

  According to the configuration of (3), the search method temporarily stores the search term or related term displayed in the first display area, and displays the stored search term or related term. Then, selection of the displayed search term or related term is accepted, and the accepted search term or related term is transmitted as a query.

  Accordingly, the user can search not only while the search term or / and the related term is displayed in the first display area, but also after the search term or / and the related term is displayed in the first display area. Terms and / or related terms can be searched as queries.

  (4) A search system based on meta information of a television program, comprising: a television broadcast receiver having a display unit; a search term generator connected to the television broadcast receiver via a communication line; and a search server. The search term generation device obtains meta information of the television program and performs morpheme analysis, and search term storage means in which search terms are stored using morphemes based on the meta information analyzed by morpheme The search term is extracted from the search term, and the search term transmission means for transmitting the extracted search term to the television broadcast receiver, and the television broadcast receiver receives the transmitted search term, While the television program is displayed in the first display area of the display unit, the received search terms are displayed on the first display area. Switching display means for sequentially switching and displaying in the second display area every predetermined period, and selection of the search term displayed by switching is received by input from a remote control terminal, and the received search term is used as a query A search system based on meta information of a television program, comprising: search result receiving means for transmitting to the search server and receiving a search result for the transmitted query from the search server.

  According to the configuration of (4), it is possible to provide an invention that exhibits the same effect as the search method of (1) as a search system.

  (5) A search term generating device connectable to a television broadcast receiving device via a communication line, a meta information acquiring unit for acquiring meta information of a TV program, and a morpheme for analyzing the acquired meta information Analysis means, search term extraction means for extracting the search terms from search term storage means for storing search terms using morphemes based on the meta information subjected to morphological analysis, and extracting the search terms to the television A search term generating device, comprising: search term transmitting means for transmitting to the television broadcast receiver so that the broadcast receiver is switched and displayed at predetermined intervals.

  According to the configuration of (5), the search term generation device acquires meta information of a television program and performs morphological analysis on the acquired meta information. Then, a search term is extracted from each morpheme analyzed, and the extracted search term is transmitted to the television broadcast receiver.

  Therefore, a search term related to the television program can be provided to the user based on the meta information of the television program.

  ADVANTAGE OF THE INVENTION According to this invention, based on the meta information of a television program, the search method based on the meta information of the television program which can search quickly the information regarding the television program which the user became interested during viewing, a retrieval system, and a search A term generation device can be provided.

It is a figure which shows the outline of a structure containing the search system which concerns on one Embodiment of this invention. It is a figure which shows the hardware constitutions of the search term production | generation apparatus of this embodiment. It is a figure which shows the hardware constitutions of the television broadcast receiver of this embodiment. It is a functional block diagram which shows the function structure of the search system which concerns on this embodiment. It is a table which shows an example of the meta information memorize | stored in meta information DB. It is a table which shows an example of the information memorized by extraction word dictionary DB. It is a figure shown about the example of a screen display of a display part. It is a figure which shows the example of a display of a 3rd display area. It is a figure which shows the example of a display of a 4th display area. It is a flowchart shown about the flow of a process of the search term production | generation apparatus of this embodiment. It is a flowchart shown about the flow of a process of the television broadcast image receiver of this embodiment. It is a flowchart shown about the flow of a process of the search server of this embodiment. It is a flowchart shown about the flow of a process of the television broadcast image receiver of this embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram showing an outline of a configuration including a search system 1 according to an embodiment of the present invention. The search system 1, the television broadcast station 2, the search server 3, the server 6, and the server 7 are connected to each other via a network 5 so that they can communicate with each other.

  The search system 1 includes a search term generator 10 and a television broadcast receiver 20.

  The search term generation device 10 transmits the search term to the television broadcast receiver 20 via the network 5.

  The television broadcast receiver 20 is configured to be capable of wired or wireless communication with the television broadcast station 2, receives a television broadcast wave from the television broadcast station 2, and displays a television program based on the received television broadcast wave.

[Hardware Configuration of Search Term Generation Device 10]
FIG. 2 is a diagram illustrating a hardware configuration of the search term generation device 10 according to the present embodiment. As shown in FIG. 2, a central processing unit (CPU) 11 (a plurality of CPUs such as a CPU 12 may be added in a multiprocessor configuration), a bus line 13, and a communication I / F (I / F) constituting the control unit 100. Interface) 14, main memory 15, BIOS (Basic Input Output System) 16, I / O controller 17, hard disk 18, optical disk drive 19, and semiconductor memory 21. The hard disk 18, the optical disk drive 19, and the semiconductor memory 21 are referred to as a storage device 200.

  The control unit 100 is a part that controls the search term generation device 10 in an integrated manner, and by appropriately reading and executing various programs stored in the hard disk 18, it cooperates with the hardware described above, and relates to the present invention. Various functions are realized.

  The communication I / F 14 is a network adapter when the search term generation device 10 transmits / receives information to / from other devices such as the television broadcast receiver 20 via the network 5.

  The BIOS 16 records a boot program executed by the CPU 11 when the search term generation device 10 is started, a program depending on the hardware of the search term generation device 10, and the like.

  A storage device 200 such as a hard disk 18, an optical disk drive 19, and a semiconductor memory 21 can be connected to the I / O controller 17.

  The hard disk 18 stores various programs for causing the hardware to function as the search term generation device 10, a program for executing the functions of the present invention, a database to be described later, and the like. The search term generation device 10 can also use a hard disk (not shown) separately provided as an external storage device.

  As the optical disk drive 19, for example, a DVD-ROM drive, a CD-ROM drive, a DVD-RAM drive, or a CD-RAM drive can be used. In this case, the optical disk 22 corresponding to each drive is used. A program or data may be read from the optical disk 22 by the optical disk drive 19 and provided to the main memory 15 or the hard disk 18 via the I / O controller 17.

[Hardware configuration of search server 3]
The search server 3 is configured by the same hardware as the search term generation device 10 described above.

  The computer referred to in the present invention refers to an information processing device including a storage device, a control unit, and the like, and the search term generation device 10 and the search server 3 are configured by an information processing device including a storage device, a control unit, and the like. Is done.

  In the above example, the search term generation device 10 and the search server 3 have been mainly described. However, the functions described above may be realized by installing a program in a computer and operating the computer as a server device. it can. Therefore, the functions realized by the search term generation device 10 and the search server 3 described as one embodiment in the present invention are executed by executing the above-described method by the computer, or by introducing the above-described program into the computer. It can also be realized by executing.

[Hardware configuration of television broadcast receiver 20]
FIG. 3 is a diagram illustrating a hardware configuration of the television broadcast receiver 20 of the present embodiment. The television broadcast receiver 20 includes a CPU (Central Processing Unit) 30, a bus line 31, a communication I / F (I / F: interface) 32, a ROM (Read-Only Memory) 33, and a RAM Random Access Memory) 34, tuner unit 35, decoder unit 36, audio processing unit 37, video processing unit 38, audio output unit 39, display unit 40, light receiving unit 41, and antenna 42. In addition, a remote controller 50 (remote operation terminal) is provided as a remote operation means of the television broadcast receiver 20.

  The communication I / F 32 is a network adapter used when the television broadcast receiver 20 transmits / receives information to / from the search term generation device 10 and the search server 3 via the network 5. The communication I / F 32 may include a modem, a cable modem, and an Ethernet (registered trademark) adapter.

  The controller 300 controls the television broadcast receiver 20 in an integrated manner. The controller 300 cooperates with the above-described hardware by appropriately reading and executing various programs stored in the ROM 33 and work data temporarily stored in the RAM 34, for example, and performs various functions according to the present invention. Realized.

  The tuner unit 35 selectively receives a television broadcast signal via the antenna 42 and demodulates the received television broadcast signal. The decoder unit 36 separates the demodulated signal into video data and audio data, and decodes them.

  The sound processing unit 37 converts the sound data into an analog signal and supplies it to the sound output unit 39. The video processing unit 38 converts the video data into an analog signal and supplies it to the display unit 40. The audio output unit 39 is composed of a speaker or the like and outputs audio data.

  The display unit 40 includes a CRT, LCD, plasma display, etc., and outputs video data. The light receiving unit 41 receives, for example, an infrared signal generated in response to an operation of the remote controller 50 by the user, and notifies the control unit 300 of the received infrared signal.

  The remote controller 50 includes an operation unit 51, an operation control unit 52, and a light emitting unit 53. The operation unit 51 includes various operation keys, and each operation key is associated with various operations of the television broadcast receiver 20.

  The operation control unit 52 receives the operation of the operation unit 51 by the user, and controls the light emitting unit 53 to output an infrared signal corresponding to the received operation. The light emitting unit 53 outputs an infrared signal according to the control of the operation control unit 52.

  The television broadcast receiver 20 is configured to display images and output sound, but is not limited thereto. For example, it may be configured by a receiving device such as an STB (Set Top Box) that is separately provided with a monitor output device.

[Functional configuration of search system 1]
FIG. 4 is a functional block diagram showing a functional configuration of the search system 1 according to the present embodiment. The search system 1 includes a search term generation device 10 and a television broadcast receiver 20. The server 6 includes a meta information DB 60, and the server 7 includes an extracted word dictionary DB 70 (search term storage unit).

  The meta information DB 60 stores meta information of television programs. FIG. 5 is a table showing an example of meta information stored in the meta information DB 60. As shown in FIG. 5, the meta information DB 60 stores the time at which a TV program is broadcast and the meta information of the TV program broadcast at this time in association with each other.

  Here, the meta information of the TV program is text information in which all words output during the TV program are converted into text, and may include EPG information and the like.

  The extracted word dictionary DB 70 stores information related to television programs. FIG. 6 is a table showing an example of information stored in the extracted word dictionary DB 70. As shown in FIG. 6, in the extracted word dictionary DB 70, an identification number, a person name of a person appearing in a television program, and a related term that is a word highly relevant to the person name are associated with each other. To remember. In the following description, a case where a person name is extracted from the extracted word dictionary DB 70 as meta information is described, but the meta information may be a specific noun.

  Returning to FIG. 4, the functional configuration of the search term generation device 10 will be described. The search term generation device 10 includes a meta information acquisition unit 111, a morpheme analysis unit 112, a search term extraction unit 113, and a search term transmission unit 114.

  The meta information acquisition unit 111 refers to the meta information DB 60 and acquires meta information of a television program.

  The morpheme analysis unit 112 performs morpheme analysis on the meta information acquired by the meta information acquisition unit 111. Here, morpheme analysis refers to dividing a given word into the smallest grammatically meaningful units (morphemes).

  The search term extraction unit 113 extracts a search term from each morpheme analyzed by the morpheme analysis unit 112. Specifically, the search term extraction unit 113 refers to the extracted word dictionary DB 70 to determine whether each morpheme analyzed by the morpheme analysis unit 112 matches the term stored in the extracted word dictionary DB 70. Judge whether or not. When there is a term that matches the morpheme, the search term extraction unit 113 extracts the term as a search term.

  In addition, the search term extraction unit 113 may be configured to refer to the meta information DB 60 and transmit a related term together with the search term when the meta information within a certain period is less than a certain number.

  The search term transmission unit 114 transmits the search term or / and the related term extracted by the search term extraction unit 113 to the television broadcast receiver 20 via the network 5.

  Next, the functional configuration of the television broadcast receiver 20 will be described. The television broadcast receiver 20 includes a search term receiving unit 121, a television program display control unit 122, a search term switching control unit 123, a selection receiving unit 124, a query transmission unit 125, and a search result display control unit 126. And a search term storage unit 127.

  The search term receiving unit 121 receives the search term and / or the related term transmitted by the search term transmitting unit 114 of the search term generating device 10.

  The television program display control unit 122 displays the television program as video data in the first display area 61 of the display unit 40.

  The search term switching control unit 123 displays the search terms received by the search term reception unit 121 on the first display region 61 while the television program is displayed on the first display region 61. Are switched at predetermined intervals and sequentially displayed.

  The selection receiving unit 124 receives selection of a search term displayed in the second display area 62 by the search term switching control unit 123 by an input from the operation unit 51 of the remote controller 50.

  The query transmission unit 125 transmits the search term received by the selection reception unit 124 to the search server 3 as a query.

  The search result display control unit 126 receives a search result corresponding to the query transmitted by the query transmission unit 125 from the search server 3. Then, the search result display control unit 126 displays the received search results in the fourth display area 67 of the display unit 40.

  For example, the search term storage unit 127 associates the search term with the time when the search term is received, and temporarily stores the search term.

  Next, the functional configuration of the search server 3 will be described. The search server 3 includes a query reception unit 310, a search execution unit 320, a search result acquisition unit 330, a search result transmission unit 340, a search log DB 350, and a data generation unit 360.

  The query receiving unit 310 receives the query transmitted by the query transmitting unit 125 of the television broadcast receiver 20. The search execution unit 320 executes a search using the query received by the query reception unit 310.

  The search result acquisition unit 330 acquires the search result searched by the search execution unit 320. The search result transmission unit 340 transmits the search result acquired by the search result acquisition unit 330 to the television broadcast receiver 20.

  The search log DB 350 stores, for example, a query received from the television broadcast receiver 20, a search result searched using this query, a session, and a time when the query is received in association with each other.

  The data generation unit 360 generates various data with reference to the search log DB 350. For example, the data generation unit 360 specifies each television broadcast receiver 20 by a session stored in the search log DB 350, and a specific query (for example, a person appearing in a TV program) is searched for a certain period. The number of television broadcast receivers 20 is calculated. Based on the calculated value, the interest level of the person who appears in the television program can be calculated.

<Display example of the television broadcast receiver 20>
Here, display examples of search terms and / or related terms and display examples of search results will be described with reference to FIGS. FIG. 7 is a diagram illustrating a screen display example of the display unit 40. As shown in FIGS. 7 to 9, the display unit 40 is provided with a first display area 61, a second display area 62, a third display area 66, and a fourth display area 67.

  The second display area 62, the third display area 66, and the fourth display area 67 are displayed superimposed on the first display area 61.

  In the first display area 61, video data such as a TV program based on a TV broadcast signal and various information is mainly displayed. In the second display area 62, a search window 63, a search execution button 64, and a search button 65 later are displayed.

  The third display area 66 is an area for displaying a search term and / or a related term when the search button 65 is pressed later. The fourth display area 67 is an area for displaying a search result for this query when a search term or / related term is used as a query.

  In the search window 63, search terms and / or related terms are sequentially switched and displayed by the search term switching control unit 123. For example, as shown in FIG. 7A and FIG. 7B, the search term “medium” is displayed in the search window 63 after a predetermined period after the search term “Wookey” is displayed (see FIG. 7A). “Main Kogyo” is switched and displayed (see FIG. 7B).

  The search execution button 64 receives selection of a search term or a related term displayed on the search window 63. Specifically, the selection receiving unit 124 receives a press of the search execution button 64 by the operation of the operation unit 51 in a state where the search term or the related term is displayed in the search window 63.

  Then, the query transmission unit 125 transmits the search term or related term received by the selection reception unit 124 as a query to the search server 3.

  The search button 65 later accepts an operation by the operation unit 51 for displaying the search terms and / or related terms stored in the search term storage unit 127 in the third display area 66.

  FIG. 8 is a diagram illustrating a display example of the third display area 66. As shown in FIG. 8, when the selection accepting unit 124 later accepts pressing of the search button 65, a search term and / or a related term stored in the search term storage unit 127 is displayed in the third display area 66. Displayed by the search term switching control unit 123.

  As a result, the user of the television broadcast receiving apparatus 20 not only while the search term or / and the related term is displayed in the search window 63, but also after the search term is displayed in the search window 63. Search terms can be searched as queries.

  FIG. 9 is a diagram illustrating a display example of the fourth display area 67. As shown in FIG. 9, in the fourth display area 67, the search result for the search term as a query is displayed by the search result display control unit 126.

<Process flow>
FIG. 10 is a flowchart showing the flow of processing of the search term generation device 10 of this embodiment.

  In step S1, the meta information acquisition unit 111 refers to the meta information DB 60 and acquires meta information of the television program.

  In step S <b> 2, the morphological analysis unit 112 performs morphological analysis on the meta information acquired by the meta information acquisition unit 111.

  In step S <b> 3, the search term extraction unit 113 determines whether or not each morpheme analyzed by the morpheme analysis unit 112 matches the term stored in the extracted word dictionary DB 70. If they match (Yes), the process proceeds to step S4. On the other hand, if they do not match (No), the process is terminated.

  In step S4, the search term extraction unit 113 extracts morphemes that match the terms stored in the extracted word dictionary DB 70 as search terms.

  In step S <b> 5, the search term transmission unit 114 transmits the search term or / and related terms extracted by the search term extraction unit 113 to the television broadcast receiver 20.

  FIG. 11 is a flowchart showing the flow of processing of the television broadcast receiver 20 of this embodiment. In this flowchart, description will be made on the assumption that the television program has already been displayed in the first display area 61 of the display unit 40 by the television program display control unit 122.

  In step S <b> 11, the search term receiving unit 121 receives the search term and / or the related term transmitted by the search term transmitting unit 114 of the search term generating device 10.

  In step S12, the search term switching control unit 123 determines whether or not the search terms within a certain period exceed a predetermined number. If the number of search terms within a certain period exceeds the predetermined number (Yes), the process proceeds to step S13. On the other hand, if the number of search terms within a certain period does not exceed the predetermined number (No), the process proceeds to step S14.

  In step S <b> 13, the search term switching control unit 123 sequentially displays the search terms received in step S <b> 11 on the search window 63.

  In step S <b> 14, the search term switching control unit 123 sequentially displays the search terms and related terms received in step S <b> 11 on the search window 63.

  In step S <b> 15, the selection receiving unit 124 determines whether selection of a search term and / or a related term has been received within a predetermined period by pressing the search button with the operation unit 51. If selection of a search term and / or a related term is received within a predetermined period (Yes), the process proceeds to step S19. On the other hand, when the selection of the search term and / or the related term is not accepted within the predetermined period (No), the process proceeds to step S16.

  In step S <b> 16, the search term switching control unit 123 associates the search term or / and the related term with the time when the search term or / and the related term is received, and stores it in the search term storage unit 127.

  In step S <b> 17, the selection receiving unit 124 determines whether selection of the search button 65 has been received later by the pressing operation of the search button by the operation unit 51. If selection of the search button 65 is received later (Yes), the process proceeds to step S18. On the other hand, if the selection of the search button 65 is not accepted later (No), the process proceeds to step S17.

  In step S18, the search term switching control unit 123 displays the search terms and / or related terms in the third display area 66, and proceeds to step S15.

  In step S19, the query transmission unit 125 transmits the search term or related term received by the selection reception unit 124 in step S15 to the search server 3 as a query.

  FIG. 12 is a flowchart showing the processing flow of the search server 3 of this embodiment.

  In step S21, the query transmitted by the query transmission unit 125 of the television broadcast receiver 20 is received.

  In step S <b> 22, the search execution unit 320 executes a search using the query received by the query reception unit 310.

  In step S23, a search result for the query searched by the search execution unit 320 is acquired.

  In step S <b> 24, the search result acquired by the search result acquisition unit 330 is transmitted to the television broadcast receiver 20.

  FIG. 13 is a flowchart showing the flow of processing of the television broadcast receiver 20 of this embodiment. Note that this flowchart will be described on the assumption that the processing is after the search term or related term is transmitted as a query by the television broadcast receiver 20 (corresponding to step S19 in FIG. 11).

  In step S31, the search result display control unit 126 receives from the search server 3 the search result according to the query transmitted by the query transmission unit 125 in step S19 of FIG.

  In step S <b> 32, the search result display control unit 126 displays the received search results in the fourth display area 67.

  According to the present embodiment, meta information of a TV program is acquired, and the acquired meta information is subjected to morphological analysis. Next, a search term is extracted from each term based on the meta information subjected to morphological analysis, and the extracted search term is transmitted to the television broadcast receiver 20. Next, while the transmitted search term is received and the television program is displayed in the search window 63 of the display unit 40, the received search term is switched to the search window 63 for every predetermined period and sequentially displayed. Then, selection of the displayed search term is accepted, and the accepted search term is transmitted to the search server 3 as a query. The search result for the transmitted query is received from the search server 3.

  Therefore, when the user is interested in the content of the television program displayed on the television broadcast receiver 20, the user can quickly search for information on the content of the television program by selecting the search term displayed in the search window 63. can do.

  Further, according to the present embodiment, the search term transmission unit 114 transmits a related term related to the search term together with the search term extracted by the search term extraction unit 113. Therefore, when searching for the contents of the television program, the user can search not only the search terms but also related terms related to the search terms as a query.

  Further, according to the present embodiment, the search term or related term displayed in the search window 63 is temporarily stored, and the stored search term or related term is displayed in the third display area 66. Then, selection of the displayed search term or related term is received, and the received search term or related term is transmitted as a query to the search server 3.

  Accordingly, the user can search the search term or / and the related term not only while the search term or the related term is displayed in the search window 63 but also after the search term or / and the related term is displayed in the search window 63. Related terms can be searched as a query.

  Further, according to the search term generation device 10 of the present embodiment, meta information of a TV program is acquired, and morphological analysis is performed on the acquired meta information. Then, a search term is extracted from each morpheme analyzed, and the extracted search term is transmitted to the television broadcast receiver 20.

  Therefore, a search term related to the television program can be provided to the user of the television broadcast receiver 20 based on the meta information of the television program.

  As mentioned above, although one Embodiment of this invention was described, this invention is not restrict | limited to embodiment mentioned above, It can change suitably. For example, in the above-described embodiment, the third display area 66 where the search terms are displayed and the fourth display area 67 where the search results are displayed are different display areas, but the present invention is not limited to this. It may be displayed in the same display area.

  In the embodiment described above, the meta information DB 60 and the extracted word dictionary DB 70 are provided in the server 6 and the server 7, respectively, but the present invention is not limited to this. For example, the meta information DB 60 and the extracted word dictionary DB 70 may be provided in the search term generation device 10.

  The effects described in the embodiments of the present invention are only the most preferable effects resulting from the present invention, and the effects of the present invention are limited to those described in the embodiments of the present invention. is not.

DESCRIPTION OF SYMBOLS 1 Search system 10 Search term production | generation apparatus 20 Television broadcast receiver 70 Extracted word dictionary DB
DESCRIPTION OF SYMBOLS 111 Meta information acquisition part 112 Morphological analysis part 113 Search term extraction part 114 Search term transmission part 121 Search term reception part 122 Television program display control part 123 Search term switching control part 124 Selection reception part 125 Query transmission part

Claims (4)

A television program executed by a television broadcast receiver having a display unit and receiving an input from a remote operation terminal, a search term generator and a search server connectable to the television broadcast receiver via a communication line Search method based on meta information of
A morpheme analysis step in which the search term generation device morphologically analyzes meta information of a television program associated with time information ;
The search term generation device transmits the search term extracted from a search term storage unit in which a search term is stored using a morpheme based on the meta information subjected to morphological analysis to the television broadcast receiver, and the meta information If the meta information of the television program within a certain period is less than a certain number based on the time information associated with the television broadcast image, the search term and the related term related to the search term are received. A search term sending step to send to the device;
While the television broadcast receiver receives the transmitted search term or the search term and related terms, and displays the television program in the first display area of the display unit, the received search term or A switching display step of switching the search terms and related terms to a second display region displayed on the first display region and sequentially displaying them in a predetermined period;
The television broadcast receiving apparatus accepts selection of the search term or the related term to be displayed by switching by input from the remote operation terminal, and uses the accepted search term or the related term as a query to the search server. A search result receiving step of transmitting and receiving a search result for the transmitted query from the search server; and a search method based on meta information of a television program. A storage step in which the television broadcast receiver temporarily stores the search term or the related term displayed by switching;
The television broadcast receiver further includes a display step of displaying the stored search term or the related term;
In the switching display step, the selection of the displayed search term or the related term is accepted,
The search method according to claim 1, wherein, in the search result receiving step, the received search term or the related term is transmitted as a query. A television broadcast meta apparatus having a display unit and receiving a television broadcast receiver for receiving input from a remote control terminal, a search term generator and a search server connectable to the television broadcast receiver via a communication line A search system based on information,
The search term generation device includes:
Morphological analysis means for performing morphological analysis on meta information of a TV program associated with time information ;
Time information associated with the meta information is transmitted to the television broadcast receiving apparatus by transmitting the search term extracted from a search term storage unit that stores a search term using a morpheme based on the meta information subjected to morpheme analysis. the based, if the meta information of the television program within a certain time period is less than the predetermined number, the search term transmission for transmitting the related terms associated with the search term and the search term to the television broadcast receiving Means,
The television broadcast receiver is
While the transmitted search term or the search term and related terms are received and the television program is displayed in the first display area of the display unit, the received search terms or the search terms and related terms are Switching display means for switching to a second display area displayed on the first display area every predetermined period and sequentially displaying;
The selection of the search term or the related term displayed by switching is accepted by input from the remote operation terminal, the received search term or the related term is transmitted to the search server as a query, and the search for the transmitted query is performed. A search system based on meta information of a television program, comprising search result receiving means for receiving a result from the search server. A search term generation device connectable to a television broadcast receiver via a communication line,
Meta information acquisition means for acquiring meta information of a TV program associated with time information ;
Morphological analysis means for performing morphological analysis on the acquired meta information;
The search term is extracted from a search term storage unit that stores a search term using a morpheme based on the meta information subjected to morphological analysis, and based on time information associated with the meta information, When the meta information of the TV program is less than a certain number, search term extraction means for extracting the search term and related terms related to the search term;
Search term transmission means for transmitting to the television broadcast receiver such that the extracted search terms or the search terms and related terms are displayed in a switched manner at predetermined intervals on the television broadcast receiver. A search term generation device characterized by that.

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