JP4922245B2 - Server, method and program for providing advertisement information related to viewed content - Google Patents

Description

The present invention relates to a server, a method, and a program for providing information related to content.

  2. Description of the Related Art Conventionally, on televisions, PCs, and the like, services that present advertisement information along with content to users have been provided. Furthermore, in a PC or the like connected to the Internet, an attempt is made to provide users with relevant advertisement information for the displayed content. This is intended to provide advertisement information that matches the user's preference.

  By the way, in television broadcasting, predetermined information is uniformly distributed to an unspecified number of times, such as advertising by a sponsor at a predetermined time zone for each TV program, or including information in advance as the content of the program itself. It is only provided to. Therefore, it is desired that information related to the television program can be provided for each user who views the television program separately from the television program.

For example, Patent Literature 1 proposes a method of distributing advertisements that match the contents of a television program and the user's preference through a home server.
JP 2003-331183 A

However, even with the method of Patent Document 1, the distributed advertisement is set in advance in association with the television program and the user attribute. That is, only a predetermined advertisement is distributed to a program intended by the advertiser.

  However, the interest of viewers of television programs is often in a different part from the setting. In addition, since it is difficult to match and set advertisements for a large number of programs without omission, an effective advertising opportunity may be missed. Thus, it has been difficult to automatically select and distribute advertisement information related to the contents of a television program.

It is an object of the present invention to provide a server, a method, and a program that can automatically present advertisement information related to content viewed by a user to the user.

  The present invention provides the following solutions.

(1) A broadcast reception device (for example, a television device 20 described later) and a server (for example, an advertisement server 10 described later) connected to a user terminal via a network,
Receiving means (for example, an identification data receiving unit 103 described later) for receiving user identification data for identifying a user who uses the broadcast receiving apparatus , and content identification data for identifying content viewed by the user;
Storage means (for example, a program information DB 111 described later) for storing content data related to the content;
And extracting means for extracting a keyword from said stored content data (e.g., the keyword extracting section 104 to be described later) by the storage unit,
With respect to said content indicated by the content identification data received by the receiving means, a database of advertising information data associated with the keywords extracted by the extraction means (e.g., advertising below DB 113) retrieval means for retrieving from (e.g., An advertisement data search unit 105) to be described later,
Transmitting means for transmitting said advertisement information data searched by the searching unit, to the user terminal that is available to the user indicating the user identification data received by the receiving unit (e.g., below the advertisement data transmission unit 106) And a server comprising:

According to such a configuration, the server user identification data for identifying a user using the broadcast receiving apparatus, and receives the content identification data identifying content that has been viewed by the user, the content data related to content Stores, extracts keywords from the stored content data, searches the database for advertisement information data related to the extracted keywords for the content indicated by the received content identification data, and receives the searched advertisement information data To the user terminal used by the user indicated by the user identification data.

  As a result, the server extracts a keyword from the content data related to the content (TV program, video data, etc.) viewed by the user, and the same advertisement information data (advertisement image, URL of Web page, etc.) related to the keyword It can provide to the user terminal which a user uses. Therefore, the server can automatically present advertisement information related to the content viewed by the user to the user.

  (2) The server according to (1), further comprising content information receiving means (for example, a program information receiving unit 101 described later) that receives the content data from an external server.

  According to such a configuration, the server receives and stores data indicating the contents. Thus, the server can accept information provided from the outside and extract keywords related to the content. Thus, the server can extract keywords based on a lot of detailed information, and can provide detailed advertisement information.

  (3) The server according to (1), further including generation means (for example, a program information generation unit 102 described later) that generates the content data as character information based on the audio information of the content.

  According to such a configuration, the server generates character information from the audio of the content and stores it. Therefore, the server can extract keywords related to the content from the audio of the content. Thus, the server does not need to prepare character information indicating the content contents in advance, and can automatically extract keywords and provide advertisement information.

  (4) The server according to any one of (1) to (3), wherein the extraction unit extracts, as the keyword, a phrase characterizing the content data from the content data.

  According to such a configuration, the server extracts a keyword that characterizes the content. As a result, the server can eliminate keywords that are not closely related to the content. Therefore, it is possible to efficiently provide advertisement information that is deeply related to the content.

(5) It further includes a related storage unit (for example, a user management DB 114 described later) that stores a plurality of the user identification data in association with each other.
The transmission unit, referring to the relevant storage unit, the user terminal to which the user identification data to which the associated with the user identification data received is available to the user indicated by the receiving unit, and transmits the advertisement information data ( The server according to any one of 1) to (4).

  According to such a configuration, the server stores a plurality of user identification data in association with each other, and sends an advertisement to the user terminal used by the user indicated by the user identification data associated with the received user identification data. Send information data.

  Accordingly, the server transmits the same advertisement information data to other users stored in association with each other. Since users in the same group are likely to have similar preferences, advertisement information that a user is interested in is likely to be interested in other users in the same group. Therefore, there is a possibility that the server can provide interesting advertisement information to users in a group having a high possibility of having the same preference.

(6) with respect to the content indicated by the content identification data received by the receiving means, the keyword extracted by the extraction unit, the user identification data and associated with storage means for storing (e.g., below viewing history DB 112),
It said retrieval means, the server according to any one of the in association with the user identification data for searching the advertisement information data associated with the keyword that has been accumulated by said accumulating means (1) (5).

  According to such a configuration, the server stores the keyword extracted regarding the content indicated by the received content identification data in association with the user identification data, and stores the keyword in association with the user identification data. Search for relevant advertising information data.

  As a result, the server accumulates keywords related to the content viewed by the user in the past, and provides advertisement information based on the accumulated data. Therefore, the server can provide advertisement information related to contents viewed in the past as well as the present.

  Furthermore, the server may be able to provide highly necessary advertisement information by narrowing down the field in which the user is interested by selecting a characteristic keyword such as a keyword that frequently appears in the accumulated data. is there.

(7) A method for providing advertisement information data related to the broadcast receiving apparatus and computer child content connected via the user terminal and the network,
A receiving step of receiving a content identification data identifying the content viewed by the user identification data, and the user identifies the user using the broadcast receiving apparatus,
A storage step of storing content data relating to the content;
An extraction step of extracting a keyword from the content data stored by said storing step,
With respect to said content indicated by the content identification data received by said receiving step, a searching step of retrieving the advertisement information data associated with the keywords extracted by the extraction step from the database,
How to perform a transmission step of transmitting the search for the advertisement information data searched by step, to the user terminal that is available to the user of the indicated user identification data received by said receiving step.

  According to such a configuration, the same effect as in (1) can be expected by executing the method.

(8) A program that causes a computer to execute the method according to ( 7 ) .

  According to such a configuration, the same effect as in (1) can be expected by causing the computer to execute the program.

  According to the present invention, advertisement information related to content viewed by a user can be automatically presented to the user.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, the content is assumed to be a television program, and the advertisement information is assumed to be advertisement data such as an image. However, the present invention is not limited to this, and the content may be a moving image file other than a television program. Furthermore, the advertisement information data is not limited to advertisement data such as images, but may be URLs of related web pages, document data, and the like.

[Entire system configuration]
FIG. 1 is a diagram illustrating an overall configuration of an advertisement server 10 and related elements according to the present embodiment. The advertisement server 10 is connected to the television device 20 and the user terminal 30 via a network. The user logs in to the television apparatus 20 and the user terminal 30 with the user ID managed by the advertisement server 10 and receives provision of various services.

  The advertisement server 10 identifies a television program viewed on the television device 20 and a user who is a viewer. Then, the advertisement server 10 extracts keywords from the text information indicating the contents of the viewed TV program, and transmits advertisement data related to the keywords to the user terminal 30.

Here, the advertisement server 10 transmits advertisement data related to the content of the television program to the user terminal 30 used by the same user as the television device 20. The advertisement data may be image data, a URL of a web page, or the like. Moreover, these advertisement data may be transmitted as an email or may be added to a predetermined web page.

[Hardware configuration]
FIG. 2 is a diagram illustrating a hardware configuration of the advertisement server 10 according to the present embodiment. The advertisement server 10 includes a central processing unit (CPU) 310 (a plurality of CPUs such as a CPU 320 may be added in a multiprocessor configuration), a bus line 200, a communication I / F (I / F: interface) that configure the control unit 300. ) 330, a main memory 340, a BIOS (Basic Input Output System) 350, an I / O controller 360, a hard disk 370, an optical disk drive 380, and a semiconductor memory 390. The hard disk 370, the optical disk drive 380, and the semiconductor memory 390 are collectively referred to as a storage device 410.

Control unit 300 is a part that exercises control over the advertising server 10 by reading and executing various programs stored in the hard disk 37 0 appropriate, in cooperation with the above-described hardware, various according to the present invention The function is realized.

Communication I / F330 is the advertisement server 10 via the network television apparatus 20 or the user terminal 30 or the like (FIG. 1), a network adapter for sending and receiving information with other devices. The communication I / F 330 may include a modem, a cable modem, and an Ethernet (registered trademark) adapter.

  The BIOS 350 records a boot program executed by the CPU 310 when the advertisement server 10 is activated, a program depending on the hardware of the advertisement server 10, and the like.

A storage device 410 such as a hard disk 370, an optical disk drive 380, and a semiconductor memory 390 can be connected to the I / O controller 360.

Hard disk 370, various programs for operating this hardware as an advertisement server 10, stores a table or the like in which the program and will be described later to perform the functions of the present invention. The advertisement server 10 can also use a hard disk (not shown) separately provided as an external storage device.

As the optical disk drive 380, for example, a DVD-ROM drive, a CD-ROM drive, a DVD-RAM drive, and a CD-RAM drive can be used. In this case, the optical disk 400 corresponding to each drive is used. A program or data can be read from the optical disk 400 by the optical disk drive 380 and provided to the main memory 340 or the hard disk 370 via the I / O controller 360.

  The computer in the present invention refers to an information processing device including a storage device, a control unit, and the like. The advertisement server 10 includes an information processing device including a storage device 410, a control unit 300, and the like. The processing device is included in the concept of the computer of the present invention.

[Function configuration]
FIG. 3 is a diagram illustrating a functional configuration of the advertisement server 10 according to the present embodiment. The control unit 300 of the advertisement server 10 includes a program information reception unit 101, a program information generation unit 102, an identification data reception unit 103, a keyword extraction unit 104, an advertisement data search unit 105, an advertisement data transmission unit 106, Is provided. The storage device 410 of the advertisement server 10 includes a program information DB 111, a viewing history DB 112, an advertisement DB 113, a user management DB 114, a.

  The program information receiving unit 101 receives content data indicating the content of a television program and stores it in the program information DB 111. Here, the content data is character information relating to the content of the television program, such as text data obtained by converting the sound of the television program, program introduction data to be placed in the program guide, and the like.

  The program information receiving unit 101 may receive content data from an input device (not shown) included in the advertisement server 10 or may receive it from an external device via a network.

  FIG. 4 is a diagram showing a program information table storing content data according to the present embodiment. The program information table is stored in the program information DB 111 and stores content data in association with IDs indicating broadcast times and channels of television programs.

  In FIG. 4, the ID includes information indicating the broadcast time and channel of the TV program, but is not limited thereto. For example, a field for storing the broadcast time and channel of a television program may be provided separately from the ID.

  The program information generation unit 102 receives audio data of a television program, converts the audio data into character information, and stores it as content data. Here, of the received voice data, the portion to be converted into character information may be limited. For example, it may be a part of a predetermined time from the start or a characteristic part such as a sound volume exceeding a predetermined level.

The identification data receiving unit 103 receives a user ID for identifying a logged-in user and a program ID for identifying a TV program being viewed from the television apparatus 20. The identification data receiving unit 103 provides the received user ID and program ID to the keyword extracting unit 104, and associates the user with the keyword of the television program.

  The keyword extraction unit 104 reads content data from the program information table (FIG. 4) stored in the program information DB 111 and extracts keywords from the content data. Specifically, first, a morphological analysis is performed on the text of the content data, and among words of a predetermined type (nouns and the like), words that are evaluated as having high importance such as frequently occurring words and phrases are extracted as keywords.

Here, a known index such as TF / IDF can be used as the importance. In addition, when the content data is data with a tag such as XML, the importance of a word / phrase to which a predetermined tag is given may be highly evaluated. Alternatively, when the contents data is data of the formatted may appreciate the significance of terms given Formatted.

  Then, the keyword extraction unit 104 stores the extracted keyword in the viewing history DB 112 as a viewing history in association with the user ID received by the identification data receiving unit 103.

  FIG. 5 is a view showing a viewing history table storing the viewing history according to the present embodiment. The viewing history table is stored in the viewing history DB 112, and stores keywords and the date and time when the TV program was viewed in association with the user ID.

  Thereby, the viewing history table can store what kind of contents the user is interested in as a keyword history.

  The advertisement data search unit 105 searches for advertisement data to be presented to the user based on the keywords extracted by the keyword extraction unit 104. The advertisement data is stored in the advertisement DB 113, and for example, advertisement data to be provided to the user is determined by keyword matching.

  FIG. 6 is a diagram showing an advertisement table storing advertisement data according to the present embodiment. The advertisement table is stored in the advertisement DB 113 and stores advertisement data and a keyword for associating the advertisement data with the television program for the advertisement ID. In addition, although the image file was shown as an example of advertisement data, it is not restricted to this.

  The advertisement table may store conditions for user attributes to which advertisements are distributed. In this case, in the user management DB 114 or the like, attributes such as sex, age, and address are stored for each user, and advertisement data that satisfies the attribute conditions is selected. This makes it possible to distribute an appropriate advertisement for each user.

  Here, the advertisement data search unit 105 can use keywords stored in the viewing history table (FIG. 5) as keywords for searching for advertisement data. Thereby, the advertisement data search unit 105 can also provide advertisement data based on television programs that the user has viewed in the past.

  That is, in response to receiving the user ID from the user terminal 30, the advertisement data search unit 105 refers to the viewing history table (FIG. 5) and searches for advertisement data related to television programs that have been viewed in the past.

  Note that the advertisement data search unit 105 may select a keyword registered in a predetermined period from the viewing history. Moreover, you may use the keyword with high importance determined based on appearance frequency etc. among the selected several keywords. Further, importance may be weighted according to the date and time.

  In this way, the advertisement data search unit 105 sends this user to the user according to the user ID received from the television device 20 via the identification data receiving unit 103 or according to the user ID received from the user terminal 30. Search for advertisement data to be provided.

  The advertisement data transmission unit 106 transmits the advertisement data searched by the advertisement data search unit 105 to the user terminal 30 and causes the user to present an advertisement. Here, the transmission destination user terminal 30 is a terminal logged in with the user ID received by the advertisement data search unit 105. Thereby, advertisement data can be distributed to the same user who has watched the television program.

  Further, the advertisement data transmission unit 106 distributes the same advertisement data not only to the same user who has watched the television program but also to users belonging to the same user group managed by the user management DB 114.

  FIG. 7 is a diagram showing a user group table storing user groups according to the present embodiment. The user group table is stored in the user management DB 114, and a plurality of user IDs are stored in association with the group ID.

  The advertisement data transmission unit 106 refers to the user group table (FIG. 7), extracts the user ID associated with the same group ID, and sends the same advertisement data to the user terminal 30 logged in with the extracted user ID. Send. If the interests of users belonging to the same user group are the same, the advertisement effect is improved by transmitting the same advertisement data.

[Processing flow]
FIG. 8 is a diagram showing a flow of processing for extracting a keyword according to the present embodiment. Here, it is assumed that the content data of the target TV program is already stored.

  In step S <b> 11, the keyword extraction unit 104 acquires content data of the target TV program from the program information DB 111.

  In step S12, the keyword extraction unit 104 performs morphological analysis on the text of the content data acquired in step S11, and extracts a predetermined type of phrase.

  In step S13, the keyword extraction unit 104 evaluates the importance of each of the phrases extracted in step S12.

  In step S14, the keyword extraction unit 104 selects a word / phrase having a high importance as a keyword based on the importance evaluated in step S13.

  FIG. 9 is a diagram showing a flow of processing for distributing advertisement data according to the present embodiment. In this process, advertisement data related to a television program that the user is watching or has recently watched is distributed.

  In step S <b> 21, the identification data receiving unit 103 receives the user ID logged into the television apparatus 20 and the program ID of the TV program being viewed.

  In step S22, the keyword extraction unit 104 extracts keywords from the content data of the television program related to the program ID received in step S21. Note that this keyword may be read in advance from content data stored in advance in the program information DB 111.

  In step S23, the advertisement data search unit 105 searches for advertisement data from the advertisement DB 113 based on the keyword extracted in step S22. The advertisement DB 113 is stored in the storage device 410 of the advertisement server 10, but is not limited thereto, and may be in another server.

  In step S24, the advertisement data transmission unit 106 transmits the advertisement data searched in step S23 to the user terminal 30 logged in with the user ID received in step S21.

  FIG. 10 is a diagram showing a flow of processing for distributing advertisement data based on the viewing history according to the present embodiment. In this process, advertisement data related to a television program that the user has viewed in the past is distributed.

  In step S <b> 31, the advertisement data search unit 105 receives a logged-in user ID from the user terminal 30.

  In step S32, the advertisement data search unit 105 acquires the keyword history stored for the user ID received in step S31 from the viewing history DB 112.

  In step S33, the advertisement data search unit 105 extracts a keyword having high importance from the keywords acquired in step S32.

  In step S34, the advertisement data search unit 105 searches for advertisement data from the advertisement DB 113 based on the important keyword extracted in step S33.

  In step S35, the advertisement data transmission unit 106 transmits the advertisement data searched in step S34 to the user terminal 30 that has received the user ID in step S31.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. 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.

  For example, in the present embodiment, the advertisement information is the advertisement data stored in the advertisement DB 113, but is not limited thereto. For example, detailed information such as a URL of a related Web page may be provided. In this case, the advertisement data search unit 105 described above is a predetermined search engine, and searches for web pages managed by a plurality of web servers existing outside the advertisement server 10.

It is a figure which shows the whole structure of the advertisement server 10 which concerns on embodiment of this invention, and a related element. It is a figure which shows the hardware constitutions of the advertisement server 10 which concerns on embodiment of this invention. It is a figure which shows the function structure of the advertisement server 10 which concerns on embodiment of this invention. It is a figure which shows the program information table which memorize | stored the content data which concern on embodiment of this invention. It is a figure which shows the viewing history table which memorize | stored the viewing history which concerns on embodiment of this invention. It is a figure which shows the advertisement table which memorize | stored the advertisement data which concern on embodiment of this invention. It is a figure which shows the user group table which memorize | stored the user group which concerns on embodiment of this invention. It is a figure which shows the flow of the process which extracts the keyword which concerns on embodiment of this invention. It is a figure which shows the flow of the process which distributes the advertisement data which concern on embodiment of this invention. It is a figure which shows the flow of the process which delivers advertisement data based on the viewing-and-listening history which concerns on embodiment of this invention.

DESCRIPTION OF SYMBOLS 10 Advertising server 20 Television apparatus 30 User terminal 101 Program information receiving part 102 Program information generation part 103 Identification data receiving part 104 Keyword extraction part 105 Advertising data search part 106 Advertising data transmission part 111 Program information DB
112 Viewing history DB
113 Advertising DB
114 User management DB
300 Control unit 410 Storage device

Claims (8)

A server connected to a broadcast receiving device and a user terminal via a network,
Receiving means for receiving user identification data for identifying a user who uses the broadcast receiving apparatus , and content identification data for identifying content viewed by the user;
Storage means for storing content data relating to the content;
Extraction means for extracting a keyword from the content data stored by said memory means,
Search means for searching for said content indicated by the content identification data received, the advertisement information data related to the keyword extracted by the extraction unit from a database by the receiving means,
Server and a transmission unit that transmits the advertisement information data searched by the searching unit, to the user terminal that is available to the user of the indicated user identification data received by the receiving means.   The server according to claim 1, further comprising content information receiving means for receiving the content data from an external server.   The server according to claim 1, further comprising generating means for generating the content data as character information based on the audio information of the content.   The server according to any one of claims 1 to 3, wherein the extraction unit extracts a phrase characterizing the content data from the content data as the keyword. Further comprising associated storage means for storing a plurality of the user identification data in association with each other;
Wherein the transmission unit, the reference to the associated storage means, the user terminal that is available to the user indicated by the received user identification data to which the associated with the user identification data is by the receiving means, for transmitting said advertisement information data The server according to any one of claims 1 to 4. With respect to said content indicated by the content identification data received by the receiving means, the keyword extracted by the extracting means further includes a storage means for storing in association with said user identification data,
Said retrieval means, the server according to any one of claims 1 to 5 to find the advertisement information data associated with the keywords stored by said storing means in association with said user identification data. A method in which a computer connected to a broadcast receiving apparatus and a user terminal via a network provides advertisement information data related to content,
A receiving step of receiving a content identification data identifying the content viewed by the user identification data, and the user identifies the user using the broadcast receiving apparatus,
A storage step of storing content data relating to the content;
An extraction step of extracting a keyword from the content data stored by said storing step,
With respect to said content indicated by the content identification data received by said receiving step, a searching step of retrieving the advertisement information data associated with the keywords extracted by the extraction step from the database,
How to perform a transmission step of transmitting the search for the advertisement information data searched by step, to the user terminal being used to the user that the indicated user identification data received by said receiving step.   The program which makes a computer perform the method of Claim 7.

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