JP4369525B1 - Advertisement delivery control method and advertisement delivery control apparatus - Google Patents

Abstract

By applying the rating information of each user received about the content and the information on the advertising fee set by the advertiser, it is possible to perform an operation in which the amount of reward received by the content owner is higher.
An advertisement information database stores advertisement information including values related to advertisement charges (FA, FB, FC,...) Set for each rating by an advertiser or an advertising agency. When there is an advertisement request from the accessing content viewer terminal, score data for each rating is obtained from the rating information database using the content ID as a key, and data relating to the advertising fee for each rating is obtained from the advertisement information database. Use the probability distribution of each rating based on the value (FA, FB, FC, ...) related to the advertising fee for each rating and the current value of each rating score (p, q, r, ...) Then, the expected value of the share distributed to the content owner is calculated for each advertisement.
[Selection] Figure 3

Description

  The present invention relates to an advertisement distribution control method and an advertisement distribution control apparatus, and in particular, the content uploaded by a content holder via a network is disclosed to a content viewer with an advertisement, and part or all of the advertising fee is content. The present invention relates to an advertisement distribution control method and an advertisement distribution control apparatus in a content distribution service distributed as a share of a holder.

  In recent years, the number of users of blog services (blog services) called CGM (Consumer Generated Media), SNS (Social Networking Services), and content sharing services is increasing. Among these, especially for content sharing services, the number of accesses to sites that provide such services and the staying time of users are increasing significantly due to the progress of broadbandization of the Internet and the fixing and lowering of access charges. . Along with the prosperity of such content sharing services, existing media companies have newly launched a content distribution platform, and online video contents such as TV popular programs and movies owned or managed by the media companies are online. Users' attention has also been attracted to the services delivered.

The content sharing service is a service provided through a specific website on the Internet generally called a content posting site, a content sharing site, or a video posting site (hereinafter collectively referred to as “content posting site”). (For example, there are YouTube and LLC websites and Japanese websites identified by URLs of http://www.youtube.com/ and http://jp.youtube.com/, respectively). In the content sharing service, a content owner can upload content such as a moving image, a still image, or audio to a content posting site via a network such as the Internet. On the other hand, the user, that is, the content viewer can access the content posting site and reproduce or share the content.
On the other hand, for services that existing media companies upload their own or managed content to a content distribution platform and distribute online according to user requests, for example, http://www.hulu.com/ There is a video streaming service provided by the website of Hulu, LLC identified by the URL of
In this specification, the term “content sharing service” is generally used as a term indicating a service provided by a content posting site. However, the present invention is not limited to application to the content sharing service in the narrow sense. The present invention was generally launched at the initiative of media companies, as described above, in addition to services that provide content over the network in response to user requests, more specifically, content sharing services in a narrow sense. The present invention can be applied to a content providing service in a broad sense including a video streaming service in which content owned or managed by the media company is provided through a content distribution platform. Therefore, in this specification, the term “content distribution service” is used as a term indicating such a broad content providing service.

  Now, in many existing content posting sites, a user who reproduces or shares content, that is, a content viewer, has a function of directly rating (evaluating) content and transmitting it to the content posting site. For example, a user who has viewed content accessed the content posting site can select one of a plurality of ratings (for example, five levels) on the browser screen and transmit it to the content posting site.

  By the way, the conventional content sharing service and other content distribution services are operated using the advertising fee paid by the advertiser as a source of income, so that the user can often view the content for free. As an example of improving this, a service for distributing a part of the advertising fee to a content owner, for example, a content contributor in a content sharing service has been proposed (for example, Patent Document 1 and Patent Document 2).

JP 2002-92347 A JP 2002-183354 A

  By distributing a part of the advertising fee to content owners as in Patent Documents 1 and 2, the content owner's willingness to create content is enhanced, and the quality and quantity of content posted on conventional content posting sites is improved. The effect that it can be expected can be expected.

  In existing content distribution services, a system that can determine an advertisement fee based on a content evaluation result by a user has already been proposed (for example, Patent Document 3 and Patent Document 4).

JP 2002-7850 A JP 2006-171796 A

  In Patent Document 3, the server evaluates the quality of content (for example, a questionnaire result by a subscriber), and transmits the evaluation result to the advertiser. The advertiser bids on the advertising space based on the evaluation result, Disclose a mail issuing method that can determine the advertising fee according to the quality of the content.

Patent Document 4 includes a content evaluation unit, a network disclosure unit, and an advertisement fee calculation unit, and the content evaluation unit receives evaluation information about the received content from each terminal device that has received the content distribution, and the received evaluation information The Internet public department publishes the evaluation results, and the advertisement provider predicts the future access level and delivery amount of the contents from the evaluation results published by the net public department. Then, a content distribution system capable of selecting the most effective content based on the prediction is disclosed.
Further, in Patent Document 4, the advertising fee calculation unit calculates the advertising fee according to the evaluation result based on the result evaluated by the content evaluation unit, and the setting of the advertising fee according to the advertising effect predicted thereby Disclosed is a system that makes it possible.

  Further, a system for specifying an advertisement based on the evaluation rank after acquiring the evaluation rank of the content by the user and distributing it to the user has already been proposed by the present inventor (for example, Patent Document 5). However, Patent Document 5 merely discloses that the advertiser sets one advertisement fee for one advertisement.

JP 2006-48658 A

  The inventor maximizes the reward amount of the content owner to create and publish high-quality content (in the present invention, high quality is synonymous with high evaluation by the user). I am convinced that promoting is essential to the further development of content distribution services. Advertisers usually pay more for higher quality content because the brand image is more likely to appear when advertising for high quality content than for low quality content. Consider paying (bid with higher advertising fees). Therefore, in the content distribution service, the reward information received by the content owner is increased by applying the evaluation information of individual users received about the content and the information related to the advertising fee set by the advertiser (most preferably maximized). It is desirable to propose a system that operates as follows.

  In this case, the process of selecting and transmitting a specific advertisement to a user whose content evaluation is indeterminate is controlled so as to increase, preferably maximize, the reward received by the content owner. Is desirable. Specifically, if you have not yet received a content rating from a user you are accessing, and you do not want to send an advertisement to that user when you do not know the content rating by that user, When not, it is desirable to control the content owner to select and send to the user an advertisement that can receive the higher or highest reward. However, these conditions are not considered in the conventional content distribution service.

  Conventional content distribution services, for example, as disclosed in Patent Document 4, when content evaluation information is received from a user, are aggregated to determine one evaluation, and an advertising fee is determined based on the evaluation Was. However, the evaluation of contents varies depending on individual users and the time when the evaluation is made. Therefore, as a method of determining the reward amount of the content owner, each time the content is evaluated by an individual user, rather than the conventional method of determining the advertising fee based on one aggregated evaluation, The method of determining the advertisement fee one by one reflects the substance directly and accurately, so that it is easy to obtain the understanding of the content owner and is considered to be rational.

Therefore, the object of the present invention is to apply the rating information of each user received about the content and the information related to the advertising fee set by the advertiser, so that the operation of increasing the reward received by the content owner is possible. An advertisement distribution control method and an advertisement distribution control apparatus are provided.
Another object of the present invention is to provide an advertisement distribution control method and an advertisement distribution control apparatus that directly and accurately reflect the content rating of each user and involves determining the amount of remuneration received by the content owner. Is to provide.

In order to achieve the above object, the present invention publishes content uploaded by a content owner from a content owner terminal via a network to the content viewer terminal with an advertisement, and part or all of the advertising fee is the content. An advertisement distribution control method in a content distribution service distributed as a share of a holder, characterized by including the following processing steps to be executed by a computer.
(A) register content information including the content ID of each content in the content information database;
(B) A rating information database that stores content rating information received from each content viewer terminal in association with a content ID of each content is provided. In this case, the rating information database is at least for each rating. The score (p, q, r, ...) is stored, and the score is updated every time content rating information is received from the content viewer terminal,
(C) Advertisement information including advertisement ID of each advertisement and values (FA, FB, FC,...) Related to advertisement charges set for each rating by the advertiser or the advertising agency. Registered with
(D) When there is an advertisement request from the accessed content viewer terminal, score data for each rating is obtained from the rating information database using the content ID as a key, and data related to the advertising fee for each rating is obtained from the advertisement information database. Get
(E) Each rating based on the current value of the rating (FA, FB, FC, ...) and the rating score (p, q, r, ...) for each rating Use the probability distribution to calculate the expected share for each content owner for each ad,
(F) In accordance with a priority based on the expected value, an advertisement ID of a specific advertisement to be output to the content viewer terminal is determined, and control information including the advertisement ID of the specific advertisement is transmitted to the content viewer terminal Send.

According to one embodiment of the present invention, the advertisement delivery control method of the present invention includes:
(G) When an advertisement request is received from the accessing content viewer terminal, it is determined whether content rating information has been received from the content viewer terminal;
(H) If rating information has not been received, execute the acquisition step (d), the calculation step (e), and the transmission step (f);
(J) If rating information has been received, instead of the acquisition step (d), the calculation step (e), and the transmission step (f),
With reference to the advertisement information database, an advertisement ID of a specific advertisement for which a relatively high advertisement fee is set is extracted from a plurality of advertisements registered in association with the received rating information. And a process of transmitting control information including an advertisement ID of the specific advertisement to the content viewer terminal.

According to a preferred embodiment of the present invention, the advertisement delivery control method of the present invention comprises:
The calculation step (e) is a value obtained by multiplying the value (FA, FB, FC,...) Related to the advertising fee of each rating and the current value of the score (p, q, r,...) Of each rating. Sum (FA * p
+ FB * q + FC * r + ...) divided by the sum of all rating scores (p + q + r + ...), including processing to calculate for each advertisement It is characterized by this.

According to another embodiment of the present invention, an advertisement distribution control method of the present invention includes:
(K) Registering information related to distribution narrowing criteria based on content rating, set by the advertiser or advertising agency, in the advertisement information database in association with the advertisement ID of each advertisement;
(M) When there is an advertisement request from the accessing content viewer terminal, the distribution narrowing condition value is calculated using the score data for each rating obtained from the rating information database using the content ID as a key,
(N) referring to the advertisement information database, searching for an advertisement whose calculated value satisfies the distribution narrowing condition, and limiting a range of advertisements for obtaining data relating to an advertisement fee for each rating to the searched advertisement Is further included.

In addition, a content distribution service that allows content owners to upload content uploaded from content owner terminals via a network to content viewer terminals with advertisements, and distributes part or all of the advertising fee as a share of the content owners In the advertisement distribution control device,
A content information database in which content information including a content ID of each content is registered;
A rating information database that stores content rating information received from each content viewer terminal in association with a content ID of each content, and at least scores (p, q, r,...) For each rating. And the score is updated each time content rating information is received from the content viewer terminal, and the rating information database,
An advertisement information database in which advertisement information including an advertisement ID of each advertisement and a value (FA, FB, FC,...) Related to an advertisement fee set for each rating by an advertiser or an advertising agency is registered. When,
When there is an advertisement request from the accessing content viewer terminal, score data for each rating is obtained from the rating information database using the content ID as a key, and data relating to an advertising fee for each rating is obtained from the advertisement information database. ,
The probability distribution of each rating based on the current value of the rating (FA, FB, FC, ...) and the rating score (p, q, r, ...) for each rating And calculating the expected value of the share distributed to the content owner for each advertisement, and determining the advertisement ID of the specific advertisement to be output to the content viewer terminal according to the priority based on the expected value. Transmission control means for transmitting control information including an advertisement ID of the specific advertisement to the content viewer terminal.

Furthermore, the present invention publishes the content uploaded by the content owner via the network from the content owner terminal to the content viewer terminal with an advertisement, and distributes part or all of the advertising fee as a share of the content owner. A computer-readable recording medium recording a program for causing a computer to execute the advertisement delivery control method in the content delivery service to be executed, the recorded program including the following processing steps to be executed by the computer It is characterized by that.
(A) register content information including the content ID of each content in the content information database;
(B) A rating information database that stores content rating information received from each content viewer terminal in association with a content ID of each content is provided. In this case, the rating information database is at least for each rating. The score (p, q, r, ...) is stored, and the score is updated every time content rating information is received from the content viewer terminal,
(C) Advertisement information including advertisement ID of each advertisement and values (FA, FB, FC,...) Related to advertisement charges set for each rating by the advertiser or the advertising agency. Registered with
(D) When there is an advertisement request from the accessed content viewer terminal, score data for each rating is obtained from the rating information database using the content ID as a key, and data related to the advertising fee for each rating is obtained from the advertisement information database. Get
(E) Each rating based on the current value of the rating (FA, FB, FC, ...) and the rating score (p, q, r, ...) for each rating Use the probability distribution to calculate the expected share for each content owner for each ad,
(F) In accordance with a priority based on the expected value, an advertisement ID of a specific advertisement to be output to the content viewer terminal is determined, and control information including the advertisement ID of the specific advertisement is transmitted to the content viewer terminal Send.

  According to the present invention, the value (FA, FB, FC) related to the advertisement fee set for each rating by the advertisement ID of each advertisement and the advertiser or the advertising agency (hereinafter sometimes simply referred to as “advertiser”). ,...), An advertisement information database is registered. In other words, according to the present invention, the advertiser assigns a value related to the advertising fee to the rating (a part or all of this value corresponds to a share or reward amount distributed to the content owner) for each advertisement. It can be set arbitrarily.

When there is an advertisement request from the accessing content viewer terminal, score data for each rating is acquired from the rating information database using the content ID as a key, and data related to the advertisement fee for each rating is acquired from the advertisement information database.
And the probability of each rating based on the advertising charges for each rating (FA, FB, FC, ...) and the current value of each rating score (p, q, r, ...) Using the distribution, the expected value of the share distributed to the content owner is calculated for each advertisement.

  Values related to advertising fees for each rating (FA, FB, FC,...) Are based on the condition that the rating has been confirmed by receiving content rating information from the accessing content viewer terminal. It corresponds to the amount of remuneration that the holder can receive. On the other hand, the rating score (p, q, r,...) Stored in the rating information database in association with the content ID of each content is determined by the content rating information from the content viewer terminal. The current value updated each time it is received. Therefore, the expected value of the share distributed to the content owner can be calculated from the former value and the probability distribution of each rating based on the latter value.

  As described above, since the value related to the advertising fee of each rating is arbitrarily set for each advertisement, the above expected value can be calculated for each advertisement. According to the present invention, according to the priority based on the expected value calculated in this way, the advertisement ID of a specific advertisement to be output to the content viewer terminal is determined, and control information including the advertisement ID is transmitted to the content viewer terminal. Therefore, the advertisement that will increase (preferably maximize) the reward received by the content owner is preferentially selected and sent to the content viewer terminal.

  As described above, when there is an advertisement request from the accessing content viewer terminal, it is possible to automatically select the advertisement one by one and send it to the content viewer terminal so that the reward received by the content owner is higher.

  In the present invention, the score for each rating is preferably a value obtained by counting the number of unique rating signal receptions sent from the content viewer terminal for each rating, but is a value as it is. Alternatively, it may be a value obtained by multiplying the number of receptions by a predetermined coefficient (which may be different for each rating).

According to one embodiment of the present invention, when an advertisement request is received from the accessing content viewer terminal, it is determined whether content rating information has been received from the content viewer terminal.
If the rating information has not been received as a result of the determination, the above-described data acquisition, expected value calculation, and control information transmission processing are performed.

  On the other hand, if rating information has been received, the following processing is performed instead of the above-described data acquisition, expected value calculation, and control information transmission processing. That is, referring to the advertisement information database, the advertisement ID of a specific advertisement for which a relatively high advertisement fee is set is extracted from a plurality of advertisements that are associated with the received rating information and registered for the advertisement fee Then, the control information including the advertisement ID of the specific advertisement is transmitted to the content viewer terminal. In this way, when rating information has been received, an advertisement that increases (preferably maximizes) the amount of reward received by the content owner is preferentially given according to the content evaluation of each individual user. It is selected and sent to the content viewer terminal.

  In this way, when rating information has been received, the process of automatically selecting advertisements one by one and sending them to the content viewer terminal is executed as described above without calculating the expected value. It is possible to determine the amount of remuneration received by the content owner that directly and accurately reflects the actual content rating of each user.

Furthermore, according to another embodiment of the present invention, the advertisement information database includes information related to distribution narrowing criteria based on content ratings set by an advertiser or an advertisement agency. It is registered in association with.
When there is an advertisement request from the accessing content viewer terminal, the value of the distribution narrowing condition is calculated using score data for each rating obtained from the rating information database using the content ID as a key. Then, the advertisement information database is referenced to search for advertisements for which the calculated value satisfies the distribution narrowing condition, and the range of advertisements for obtaining data related to the advertisement fee for each rating is limited to the searched advertisements.

  According to the present embodiment, the advertiser can set distribution narrowing conditions for content rating. Thus, the advertiser can set the system to deliver advertisements, focusing on the content desired for rating.

  The advantage of the present invention from the viewpoint of the content owner is that advertisements are automatically selected and distributed one by one so that the reward received by the content owner is higher according to the content rating by the content viewer. Further, the advantage of the present invention from the viewpoint of the advertiser is that the advertising effect (value related to the advertising fee) recognized by the advertiser can be arbitrarily set for each rating, and based on the setting, the content viewer can Since advertising costs are incurred according to the rating, the advertiser himself / herself can pay for the convincing costs.

  The above objects and advantages of the present invention and other objects and advantages will be more clearly understood through the following description of embodiments. However, the embodiments described below are merely examples, and the present invention is not limited to these.

1 is a diagram showing a schematic configuration of an embodiment of a content sharing system 1 to which the present invention is applied. It is a block diagram which shows schematic structure of the service provider apparatus 20 which a service provider manages. It is a block diagram which shows the functional structure of the content sharing system 1 which concerns on 1st Embodiment. It is a figure which shows the example of the registration / update form of the information which an advertiser sets and inputs. It is a figure for demonstrating the bid advertising unit price which an advertiser sets for every evaluation. 5 is a flowchart illustrating an example of operation of advertisement distribution control in the content sharing system 1. FIG. 7 is a diagram for supplementarily explaining the flowchart of FIG. 6. 5 is a flowchart illustrating another example of the operation of advertisement distribution control in the content sharing system 1. FIG. 9 is a diagram for supplementarily explaining the flowchart of FIG. 8. It is an example of a timing chart of display and evaluation input of advertisement and content in a viewer terminal. It is a figure which shows the example of transmission of evaluation data. It is a figure which shows another example of transmission of evaluation data. It is a block diagram which shows the functional structure of the content sharing system 1 which concerns on 2nd Embodiment. It is a figure which shows the example of a record of advertisement information DB and evaluation information DB.

Explanation of symbols

1 Content Sharing System 11 Content Owner Terminal 13 Advertiser Terminal 15 Content Viewer Terminal 20 Service Provider Device 30 Network

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the following description, an example in which the present invention is applied to a content sharing service provided by a content posting site will be described.
FIG. 1 is a diagram showing a schematic configuration of an embodiment of a content sharing system 1 to which the present invention is applied. As shown in FIG. 1, the content sharing system 1 includes a content owner terminal 11, an advertiser terminal 13, a content viewer terminal 15, and a service provider device 20, and is connected to each other via a network 30.

  The content owner terminal 11 (hereinafter sometimes simply referred to as “owner terminal”) is a variety of contents such as video and audio recorded by a digital camera, video camera, mobile phone or other device, or such device. The terminal device installed at the content owner's home or other location for uploading the content produced by editing, processing, etc. the data recorded by the service provider device 20 or the content owner Alternatively, it is a terminal device used privately, specifically, a personal computer, a PDA, a mobile phone, and various devices such as a television receiver and a television broadcast receiver having a communication function (bidirectional communication function). The owner terminal 11 is preferably equipped with a web browser capable of browsing a web page, receives information on the web page by the function of the web browser and displays it on the display unit, and registration data of content information And content data can be transferred to the service provider device 20. In the present invention, “content owner” means strictly limiting to a copyright holder who has a legal right (typically a copy right, a public transmission right, etc. under the Copyright Act). It is understood to include those who post or upload content in order to publish or share content.

  As will be described later, the advertiser terminal 13 is a terminal device used by an advertiser who requests an advertisement in a service in which content with advertisement is provided from the service provider device 20 to the viewer terminal 15, and is a personal computer. Preferably, a web browser capable of browsing web pages is installed. In addition, the person who operates the advertiser terminal 13 is not limited to the advertiser himself who orders the advertisement, and a contractor or an individual who performs various kinds of mediation business related to advertisement production, advertisement agency, or advertisement on behalf of the advertiser. It is of course possible to operate the advertiser terminal 13. In the present invention, “advertiser or advertising agency” (these may be collectively referred to simply as “advertiser”) is understood to include all of these persons.

  The content viewer terminal 15 (hereinafter simply referred to as “viewer terminal”) is a terminal device installed at the home or the like of a user who views various contents, and specifically includes a personal computer, a PDA, Various devices such as a mobile phone, a television receiver having a communication function (bidirectional communication function), and a television broadcast receiver. The viewer terminal 15 is preferably equipped with a web browser capable of browsing web pages, and can display web pages such as the content request screen 151 and the content viewing / advertisement output screen 153 by the function of the web browser. it can. In addition, the viewer terminal 15 inputs content rating (hereinafter, “evaluation” is used as a term synonymous with “rating”) on the content viewing / advertisement output screen 153, and enters the service provider device 20. Can be sent.

  The Web page displayed by the viewer terminal 15 is a mark such as HTML (HyperText Markup Language), XML (eXtensible Markup Language), CompactHTML, DHTML (Dynamic HTML), WML (Wireless Markup Language), HDML (Handheld Device Markup Language), etc. The file can be a file described in an up-language or an extended language, but is not limited thereto. It should be noted that the various standards described above are merely examples, and the scope of application of the present invention naturally includes standards compliant with standards other than the above and standards that are expanded from the above standards in the present and future.

  Although not shown here, each of the owner terminal 11, the advertiser terminal 13, and the viewer terminal 15 includes a CPU, a storage device such as a ROM or a hard disk, an I / F unit such as a RAM and a USB (Universal Serial Bus), A communication control unit, an input device such as a keyboard and a mouse, and a display unit can be included. The CPU provided in each terminal reads out the program stored in the storage device, develops and executes it in the work area of the RAM, and controls each part of the I / F unit, communication control unit, input device, and display unit. .

  The service provider device 20 publishes content uploaded by the content owner from the owner terminal 11 via the network 30 to the viewer terminal 15 with an advertisement, and part or all of the advertising fee is shared by the content owner. Providing content distribution services distributed as

  The network 30 is configured to include various communication lines such as a dedicated line, a public telephone line, a satellite communication line, and various servers (not shown), and the specific mode is not particularly limited. Further, between the owner terminal 11, the advertiser terminal 13, the viewer terminal 15, the service provider device 20 and the network 30, there are ISPs (Internet Service Providers), NSPs (Network Service Providers), mobile phone operators, etc. Although various devices such as a server, a firewall, and a gateway device provided by the network may be interposed, they are not shown here. A typical example of the network 30 is the Internet, but it may be a LAN (Local Area Network) or another network.

Next, a first embodiment of a content sharing system to which the present invention is applied will be described.
FIG. 2 is a block diagram illustrating a schematic configuration of the service provider device 20. FIG. 3 is a block diagram showing a functional configuration of the content sharing system 1 according to the first embodiment.

  Referring to FIG. 2, service provider apparatus 20 includes content information registration / update unit 211, content information DB 213, content transmission unit 215, advertisement information registration / update unit 217, advertisement information DB 219, advertisement transmission unit 221, evaluation data. A receiving unit 223, an evaluation information DB 225, an evaluation data storage unit 227, a revenue management information DB 229, and a transmission control unit 231 are provided, and each unit is connected to each other by a bus (system bus, USB, etc.).

  The service provider device 20 is one computer or a group of computers, and naturally includes a processor and a storage device (not shown). A storage device, such as a hard disk (HDD) or memory (RAM), has an OS (Operating System) and a program for causing a computer to execute advertisement distribution control processing unique to the present invention (hereinafter also referred to as “control program”). When this program is executed, the operation of each unit including the content information registration / update unit 211 to the transmission control unit 231 is controlled. The content information DB 213, the advertisement information DB 219, the evaluation information DB 225, and the revenue management information DB 229 may be independent DB servers connected to the service provider device 20.

  Each part will be described with reference to FIG.

  The content information registration / updating unit 211 receives content data received from the communication control unit (not shown) and the owner terminal 11 connected via the network 30 when the content is uploaded by the content owner. The included content information is registered in the content information DB 213 in association with a unique content ID attached to the content.

  The advertisement information registration / update unit 217 receives a value related to the advertisement fee for each evaluation received from the communication terminal (not shown) and the advertiser terminal 13 connected via the network 30, that is, a bid advertisement unit price for each evaluation. Then, the advertisement information including the advertisement data is registered in the advertisement information DB 219 in association with the unique advertisement ID attached to the advertisement.

  When the content transmission unit 215 receives a content request using the content ID from the viewer terminal 15, the content transmission unit 215 acquires content data from the content information DB 213 using the content ID as a key and distributes the content data to the viewer terminal 15.

  When receiving the advertisement ID from the viewer terminal 15, the advertisement transmission unit 221 acquires the advertisement data from the advertisement information DB 219 using the advertisement ID as a key and distributes the advertisement data to the viewer terminal 15.

  The content data is preferably stored in the content information DB 213 as a moving image data file compliant with various standards such as MPEG (Moving Picture Experts Group) and AVI (Audio-Video Interleaved format), but is not limited thereto. Rather than GIF (Graphics Interchange Format), JPEG (Joint Photographic Experts Group), TIFF (Tagged Image File Format), BMP (bitmap), etc. It may be a combination of files. On the other hand, the advertisement data can also be stored in the advertisement information DB 219 as a data file similar to the content data.

  The evaluation data receiving unit 223 includes evaluation information including a viewer ID unique to the viewer terminal 15, a content ID, and evaluation data (rank) of the content from the viewer terminal 15 accessing the service provider device 20. Receive.

  The evaluation information DB 225 stores content evaluation information received from each viewer terminal 15 in association with the content ID of each content. The evaluation information DB 225 has a record including the total number of evaluations and the number of evaluations for each received evaluation (rank) for each content ID. As will be described later, when the evaluation data receiving unit 223 receives the evaluation data reception signal including the content ID, the total number of evaluation records out of the records corresponding to the content ID stored in the evaluation information DB 225 are received. The number of evaluations of the evaluation (rank) is updated.

  When the evaluation data receiving unit 223 receives the evaluation data reception signal including the content ID, the evaluation data storage unit 227 stores the viewer ID and the evaluation data (rank) of the content in association with the content ID.

  The revenue management information DB 229 has a record including a viewer ID, an advertisement ID, a bid advertisement unit price for each evaluation (rank) of the advertisement ID, and a revenue unit price (details will be described later) for each content ID. .

  When there is an advertisement request from the viewer terminal 15 accessing the service provider device 20, the transmission control unit 231 acquires the number data for each evaluation rank from the evaluation information DB 225 using the content ID as a key, and the advertisement information Bid advertisement unit price data for each evaluation rank is acquired from the DB. In addition, the transmission control unit 231 presents the bid advertisement unit price (FA, FB, FC,...) Of each evaluation rank and the current number of evaluations (p, q, r,...) Of each evaluation rank. Using the probability distribution of each evaluation rank based on the value, the expected value of the share distributed to the content owner is calculated for each advertisement. Further, the transmission control unit 231 determines an advertisement ID of a specific advertisement to be output to the viewer terminal 15 according to the priority based on the expected value, and transmits control information including the advertisement ID of the specific advertisement to the viewer terminal. 15 to send.

FIG. 4 is a diagram showing an example of an information registration / update form set and input by the advertiser.
In this embodiment, the advertiser operates the advertiser terminal 13 and arbitrarily sets a bid advertisement unit price for each of the evaluation ranks A, B, and C in the bid advertisement unit price input field of the form of FIG. be able to. In addition, if desired, the advertiser can set a delivery narrowing condition regarding content evaluation in the advertisement narrowing condition column of the form of FIG. In the illustrated example, (a) the ratio of the number of evaluation rank A to the total number of evaluations, (b) the ratio of the sum of the number of evaluation rank A and the number of evaluation rank B to the total number of evaluations, (c) evaluation rank A, Average score (3 * p + 2 * q + 1 * r) / (p + q + r) when B, C score 3 points, 2 points, 1 point, respectively, and (D) With respect to any one or two or more of the total number of evaluations, a lower limit value can be input and a narrowing condition can be set. The advertiser can send it to the advertisement information registration / update unit 217 of the service provider device 20 via the network by pressing the transmission button at the lower right. In the embodiment of the present invention, an example in which the evaluation of content by the viewer is limited to three ranks may be mentioned, but this is for the convenience of explanation and does not limit the present invention in any way. Absent. The same applies to the following.

FIG. 5 is a diagram for explaining the bid advertisement unit price set by the advertiser for each evaluation.
The present invention can be applied to a content sharing service that distributes part or all of an advertising fee as a share of a content owner. Here, as shown in FIG. 5A, the advertisement fee distributed as the share of the content owner is most preferably the entire bid advertisement unit price arbitrarily set by the advertiser. May be part of the bid advertisement unit price distributed to the content owner when it is determined in advance that the content will be distributed to the service provider and the content owner according to a predetermined distribution ratio. However, as shown in FIG. 5 (B), the service provider may include a fixed basic charge (base charge) in addition to the bid advertisement unit price, as shown in FIG. 5 (C). Basic charges (base charges) that gradually decrease as the evaluation becomes lower may be included. In any case, among the advertising fees set for each evaluation, the bid (premium) portion is related to the share (reward) of the content owner and is determined when the evaluation data is received from the viewer terminal 15. Corresponds to “evaluation value”.

Next, the operation of the content sharing system 1 shown in FIG. 3 will be described with reference to FIG. 6, FIG. 7, FIG. 8, and FIG.
FIG. 6 is a flowchart showing an example of the operation of the content sharing system 1. In particular, the operation when the advertisement request is received and the advertisement distribution process is executed before the content evaluation data is received from the viewer terminal 15 yet. An example is shown. FIG. 7 is a diagram for supplementarily explaining how the information stored in the advertisement information DB 219, the evaluation information DB 225, and the profit management information DB 229 is used when operating according to this flow.
Note that various operations associated with the content owner uploading content from the owner terminal 11 via the network 30 are the same as the operations in the conventional content sharing system, and thus description thereof is omitted here.

  Referring to FIG. 6, first, in step S <b> 401, service provider apparatus 20 checks a received signal from advertiser terminal 13 or viewer terminal 15. When it is an advertisement information registration / update signal from the advertiser terminal 13, the bid information unit price for each evaluation received from the advertiser terminal 13 and the advertisement information including the advertisement data are associated with the advertisement ID, and the advertisement information If it is registered in the DB 219 or is an update instruction to the registered information, the received advertisement information is overwritten as needed (step S402). Then, the process ends.

Next, when it is an advertisement request signal from the viewer terminal 15, the process proceeds to step S422, and the transmission control unit 231 first receives the content ID and the viewer ID from the viewer terminal 15. Next, in step S423, evaluation information (total evaluation number, number of evaluations for each evaluation) is acquired from the evaluation information DB 225 using the content ID as a key. In the next step S424, the transmission control unit 231 obtains the bid advertisement unit price for each evaluation from the advertisement information DB 219 (at this time, the advertisement ID and the URL of the storage location of the advertisement data are also obtained simultaneously). Then, for each advertisement, the expected profit value E of the content is calculated based on the following formula using the evaluation information and the bid advertisement unit price.

  If the expected profit value is calculated for each advertisement, the process proceeds to step S425, and the transmission control unit 231 considers that the larger the expected profit value is, the higher the remuneration amount received by the content owner corresponding to the evaluation is. Control information including an advertisement ID of a predetermined number of advertisements determined to have a higher amount is generated and transmitted to the viewer terminal 15. Next, in step S426, the transmission control unit 231 registers the content ID, the viewer ID, the advertisement information related to the transmitted advertisement ID (the bid advertisement unit price for each evaluation of the content), and the expected profit value in the profit management information DB 229. Then, the process ends.

  Upon receiving the control information transmitted from the service provider device 20, the viewer terminal 15 immediately sends a request to the advertisement transmission unit 221 using the advertisement ID included in the control information as a key, and receives advertisement data. Thereby, the viewer terminal 15 can output (display) the advertisement automatically selected one by one from the service provider device 20 on the content viewing / advertisement output screen 153.

Next, after receiving the advertisement request signal from the viewer terminal 15 and completing the processing of steps S422 to S426, the processing when the content evaluation data is received from the viewer terminal 15 follows step S442 and the subsequent steps. .
In step S442, the content ID, viewer ID, and content evaluation data are received. These data are received by the evaluation data receiving unit 223.
In the next step S443, the evaluation data receiving unit 223 updates the evaluation information DB 225 based on the received evaluation data (rank) using the content ID as a key. Specifically, among the records corresponding to the content ID stored in the evaluation information DB 225, the total evaluation number and the evaluation number of the received evaluation (rank) are updated one by one.
In step S444, the revenue management information is extracted from the revenue management information DB 229 using the content ID and the viewer ID as keys. In step 445, the value of the revenue unit price in the revenue management information extracted in step S444 is rewritten to the value of the bid advertisement unit price (advertiser evaluation value) corresponding to the evaluation data (rank). The DB 229 is updated and the process is terminated.

With reference to FIGS. 8 and 9, another example of the operation of the content sharing system 1 shown in FIG. 3 will be described.
FIG. 8 is a flowchart showing another example of the operation of the advertisement distribution control in the content sharing system 1. Differences from the flowchart shown in FIG. 6 will be described below with reference to the supplementary explanatory diagram of FIG. .

The flow shown in FIG. 8 shows an operation example in the case of executing an advertisement distribution process including a process when receiving an advertisement request after receiving content evaluation data from the viewer terminal 15.
First, when the evaluation data receiving unit 223 receives the evaluation data reception signal, the evaluation data receiving unit 223 updates the evaluation information DB 225 based on the received evaluation data (rank) using the content ID as a key in step S543. Subsequently, an additional step S544 is provided. That is, first, in step S544, a process for storing evaluation data in the evaluation data storage unit 227 is added using the content ID and the viewer ID as keys, which is different from that shown in FIG.

Second, when the advertisement request signal is received, the transmission control unit 231 is different in that steps S523 and S524 are executed following the process of step S522. That is, in step S523, the transmission control unit 231 acquires evaluation data from the evaluation data storage unit 227 using the content ID and the viewer ID as keys (attempts acquisition). Next, in step S524, it is determined whether or not the evaluation data has been received (Yes if the evaluation data can be acquired, and No if it cannot be acquired).
When the evaluation data has been received, the process proceeds to step S529, where a predetermined number of advertisements having a large value among the bid advertisement unit prices (advertiser evaluation values) corresponding to the evaluation data (rank) are obtained from the advertisement information DB 219. Control information including the advertisement ID is generated and transmitted to the viewer terminal 15. Next, in step S530, the transmission control unit 231 includes a content ID, a viewer ID, advertisement information related to the transmitted advertisement ID (a bid advertisement unit price for each evaluation of the content), and a bid advertisement unit price corresponding to the evaluation data (rank). (Advertiser evaluation value) is registered in the revenue management information DB 229 as the revenue unit price, and the process is terminated.

  The processing when the evaluation data has not been received (steps S525 to S528) is the same as the processing (steps S423 to S426) shown in FIG. In short, when the content evaluation data has been received from the viewer terminal 15 before receiving the advertisement request signal, it is sufficient to select an advertisement having a large bid advertisement unit price for the evaluation data, and the expected profit value is obtained. There is no need to calculate.

  FIG. 10 is an example of a timing chart of advertisement and content display and evaluation input in the viewer terminal. In (A), (B), and (C) of the first advertisement in FIG. 10 and (D), the advertisement precedes the evaluation of the content by the viewer. The value is calculated, and the advertisement is automatically selected one by one based on the expected value. In (B), (C), and (D), the content is evaluated by the viewer after the end of the content, and the expected return is the bid advertising unit price (advertiser's evaluation) corresponding to the determined evaluation (rank). Value). In the second advertisement in (C), since the bid advertisement unit price (advertiser evaluation value) is determined for the content, the expected profit is calculated as described with reference to FIGS. do not have to.

  FIG. 11 is a diagram illustrating an example of transmission of evaluation data (rank) when transmitting evaluation data (rank) from the viewer terminal 15 to the evaluation data receiving unit 223. FIG. 11 shows a well-known evaluation transmission method in the conventional content sharing service. Stars are selected and transmitted on the content viewing / advertisement output screen 153 so that the number of stars increases as the evaluation becomes higher. Is.

  Apart from the evaluation transmission method, as shown in FIG. 12, the evaluation data can be obtained by a method of comment data analysis, electroencephalogram data analysis, or facial expression recognition data analysis, which has already been technically developed and is in practical use. May be generated and transmitted.

  FIG. 13 is a block diagram showing a functional configuration of the content sharing system 1 according to the second embodiment. That is, as shown in FIG. 13, data for performing comment data analysis, electroencephalogram data analysis, or facial expression recognition data analysis based on comment data, electroencephalogram data, or facial expression data sent from the viewer terminal 15. An analysis unit and a data storage unit that stores reference data necessary for the analysis may be provided in the service provider device 20.

  According to the distribution control method according to the present embodiment, specific examples when the content sharing system operates are shown in the advertisement information DB record example (4 advertisements) and the evaluation information DB record example (2 contents) shown in FIG. Based on the above, it will be described below. In addition, according to the advertisement information registration / update form shown in FIG. 4, it is assumed that the distribution narrowing condition as shown in the record of the advertisement is set by the advertiser for each advertisement. It is assumed that content evaluation data has not been received before an advertisement request is made.

It is assumed that content with content ID: bbb is selected from the viewer terminal and transmission of content data is requested. First, evaluation information of content ID: bbb is acquired from the evaluation information DB. Based on the evaluation information, an evaluation rank A ratio of 60%, an evaluation rank (A + B) ratio of 80%, and an average evaluation of 2.4 points are calculated. When these values are compared with the distribution narrowing conditions for each advertisement stored in the advertisement information DB, the advertisement ID: AA001 and the advertisement ID: DD004 are lower than the lower limit value of the distribution narrowing conditions. It is excluded from the target, and advertisement ID: BB002 and advertisement ID: CC003 remain. For these two advertisements, when the expected profit value for the content ID: bbb is calculated according to Equation 1, ¥ 74 for the advertisement ID: BB002 and ¥ 78 for the advertisement ID: CC003 are obtained. That is, the expected return value of advertisement ID: CC003 is larger than that of advertisement ID: BB002. Therefore, when the advertisement ID: CC003 is selected and the control information including the advertisement ID is transmitted to the viewer terminal, it is possible to select and transmit an advertisement that can be expected to have a higher reward for the content owner.

  As is clear from the above description, the order of playback in a set of content and advertisement is pre-roll (advertise before the content), post-roll (advertise after the content), and mid-roll (content playback). An advertisement may be inserted in the middle), an overlay (an advertisement may be displayed on a part of the screen during content playback), or a combination thereof.

  In the above embodiment, an example in which the present invention is applied to a content sharing service provided by a content posting site has been described. However, as already mentioned, the present invention is generally transmitted through a network in response to a user request. The present invention is applicable to a content providing service in which content is provided. For example, when the present invention is applied to a video streaming service in which content owned or managed by a media company is provided through a content distribution platform launched by the media company, the content is retained. The media company and / or a third party licensed to the media company for a fee based on a contract for distribution of content corresponds to the content owner in the present invention. In this video streaming service, the operator of the content distribution platform for carrying out the present invention is the media company itself or its affiliated company, or a third party entrusted with the content distribution business from the media company. It doesn't matter if you are a person.

  In addition, in order for the present invention to be applied to a content sharing service, some sort of advertising fee distribution processing must be performed in which part or all of the advertising fee is distributed as a share of the content owner. The specific method required for the distribution process, for example, the algorithm for exchanging the distribution money between the advertiser account and the content owner account is not an essential part of the present invention, and the technical field to which the present invention belongs. Alternatively, those skilled in the art can appropriately design based on existing technologies in the field of electronic commerce including advertising services, and thus detailed description thereof will be omitted.

  As mentioned above, although illustrated with reference to drawings in a plurality of embodiments, the present invention is not limited to these. For example, the number of items of information included in content information, advertisement information, evaluation information, and revenue management information and The scope of the content, the function for obtaining the expected profit value, and the content of the delivery refinement condition (considering further refinement based on viewer attributes and content categories not directly related to content evaluation) Changes can be made as appropriate without departing from the spirit of the invention.

  INDUSTRIAL APPLICABILITY The present invention is suitable for application to a content distribution service in which content viewers can play back or share content such as moving images, still images, or audio uploaded by a content owner via a network such as the Internet. is there.

Claims (8)

In the content distribution service where the content owner uploads the content uploaded from the content owner terminal via the network to the content viewer terminal with an advertisement and distributes part or all of the advertising fee as a share of the content owner. A method for controlling advertisement distribution, comprising the following processing steps to be executed by a computer.
(A) In response to a request using the content ID from the content viewer terminal, the content transmission unit corresponds to the requested content ID from a content information database storing content information including the content ID of each content. Acquire content data and send it to the content viewer terminal via the network.
(B) Based on the evaluation data received from each content viewer terminal, the evaluation data receiving means stores content evaluation information in an evaluation information database in association with the content ID of each content. The information database stores at least a score (p, q, r,...) For each evaluation, and the score is updated each time content evaluation data is received from the content viewer terminal.
(C) The advertisement information registration means includes an advertisement ID of each advertisement and an advertising unit price (FA, FB, FC,...) For each evaluation set for each evaluation by the advertiser or the advertising agency. Store advertising information in the advertising information database,
(D) When there is an advertisement request from the accessing content viewer terminal, the transmission control means obtains a score for each evaluation from the evaluation information database using the content ID as a key, and an advertisement for each evaluation from the advertisement information database. Get unit price,
(E) The transmission control means determines the current value of the acquired advertising unit price (FA, FB, FC,...) For each evaluation and the score (p, q, r,...) For each evaluation for each evaluation. Content is calculated by dividing the sum of the values multiplied by (FA * p + FB * q + FC * r + ...) by the sum of all evaluation scores (p + q + r + ...) Calculate the expected share for each ad for each ad,
(F) Control information in which the transmission control means determines an advertisement ID of a specific advertisement to be output to the content viewer terminal according to a priority based on the expected value, and includes the advertisement ID of the specific advertisement Is transmitted to the content viewer terminal. (G) When there is an advertisement request from the accessing content viewer terminal, the transmission control means refers to the evaluation data storage unit to determine whether content evaluation data has been received from the content viewer terminal. Judgment,
(H) If the evaluation data has not been received, the transmission control means executes the acquisition step (d), the calculation step (e), and the transmission step (f),
(J) When the evaluation data has been received, the transmission control means replaces the acquisition step (d), the calculation step (e), and the transmission step (f),
An advertisement of a specific advertisement for which a relatively high advertising unit price is set among a plurality of advertisements stored in the advertising information database and associated with the evaluation of the received evaluation data and having different advertising unit prices. The advertisement distribution control method according to claim 1, wherein the process of extracting an ID and transmitting control information including an advertisement ID of the specific advertisement to the content viewer terminal is performed. (K) The advertisement information registration means stores distribution narrowing conditions based on content evaluation set by an advertiser or an advertisement agency in the advertisement information database in association with the advertisement ID of each advertisement.
(M) When there is an advertisement request from the accessing content viewer terminal, the transmission control means uses a score for each evaluation, which is acquired from the evaluation information database using the content ID as a key, and a conditional expression set in advance. To calculate the calculation value of the distribution narrowing condition,
(N) The transmission control means refers to the advertisement information database, compares the calculated value with the distribution narrowing condition, searches for an advertisement whose calculated value satisfies the distribution narrowing condition, and the transmission control means The advertisement distribution control method according to claim 1, further comprising a step of limiting a range of advertisements for which an advertisement unit price for each evaluation is obtained in the obtaining step (d) to the searched advertisements. In the content distribution service where the content owner uploads the content uploaded from the content owner terminal via the network to the content viewer terminal with an advertisement and distributes part or all of the advertising fee as a share of the content owner. An ad delivery control device,
A content information database for storing content information including the content ID of each content;
An evaluation information database for storing content evaluation information;
Based on the evaluation data received from each content viewer terminal, content evaluation information is stored in the evaluation information database in association with the content ID of each content. In this case, at least scores (p, q, r,...), and evaluation data receiving means for updating the score every time content evaluation data is received from the content viewer terminal;
An advertisement information database that stores advertisement information including an advertisement ID of each advertisement and an advertisement unit price (FA, FB, FC,...) For each evaluation set for each evaluation by an advertiser or an advertising agency. When,
Content transmitting means for acquiring content data corresponding to the content ID from the content information database and transmitting the content data to the content viewer terminal via a network in response to a request using the content ID from the content viewer terminal;
When there is an advertisement request from the content viewer terminal being accessed, a score for each evaluation is obtained from the evaluation information database using the content ID as a key, and an advertising unit price for each evaluation is obtained from the advertisement information database.
Sum of values (FA *) obtained by multiplying the current value of the obtained advertising unit price (FA, FB, FC,...) For each evaluation and the score (p, q, r,...) For each evaluation for each evaluation. p + FB * q + FC * r + ...) divided by the sum of all evaluation scores (p + q + r + ...) A control that calculates an expected value for each advertisement, determines an advertisement ID of a specific advertisement to be output to the content viewer terminal according to a priority based on the expected value, and includes the advertisement ID of the specific advertisement An advertisement distribution control device comprising: transmission control means for transmitting information to the content viewer terminal. An evaluation data storage unit for storing evaluation data received from the content viewer terminal;
The transmission control unit determines whether or not content evaluation data has been received from the content viewer terminal by referring to the evaluation data storage unit when an advertisement request is received from the accessing content viewer terminal. When the evaluation data has been received, the advertising information database is referred to, and a relatively high advertising unit price among a plurality of advertisements stored in association with the evaluation of the received evaluation data is stored. 5. The advertisement distribution control device according to claim 4 , wherein an advertisement ID of a specific advertisement for which is set is extracted and control information including the advertisement ID of the specific advertisement is transmitted to the content viewer terminal. The advertisement information database includes a record in which the advertisement information registration unit stores distribution narrowing conditions based on content evaluation, which are set by an advertiser or an advertising agency, in association with an advertisement ID of each advertisement. ,
When there is an advertisement request from the accessing content viewer terminal, the transmission control means narrows down the distribution according to a preset conditional expression using a score for each evaluation obtained from the evaluation information database using the content ID as a key. Calculating a calculated value of a condition, referring to the advertisement information database, comparing the calculated value with the distribution narrowing condition, and searching for an advertisement whose calculated value satisfies the distribution narrowing condition; The advertisement distribution control apparatus according to claim 4 , wherein the advertisement range for obtaining the advertisement unit price for each evaluation is limited to the searched advertisement. In the content distribution service where the content owner uploads the content uploaded from the content owner terminal via the network to the content viewer terminal with an advertisement and distributes part or all of the advertising fee as a share of the content owner. A computer-readable recording medium recording a program for causing a computer to execute the advertisement distribution control method, wherein the recorded program includes the following processing steps to be executed by the computer Medium.
(A) In response to a request using the content ID from the content viewer terminal, the content transmission unit corresponds to the requested content ID from a content information database storing content information including the content ID of each content. Acquire content data and send it to the content viewer terminal via the network.
(B) Based on the evaluation data received from each content viewer terminal, the evaluation data receiving means stores content evaluation information in an evaluation information database in association with the content ID of each content. The information database stores at least a score (p, q, r,...) For each evaluation, and the score is updated each time content evaluation data is received from the content viewer terminal.
(C) The advertisement information registration means includes an advertisement ID of each advertisement and an advertising unit price (FA, FB, FC,...) For each evaluation set for each evaluation by the advertiser or the advertising agency. Store advertising information in the advertising information database,
(D) When there is an advertisement request from the accessing content viewer terminal, the transmission control means obtains a score for each evaluation from the evaluation information database using the content ID as a key, and an advertisement for each evaluation from the advertisement information database. Get unit price,
(E) The transmission control means determines the current value of the acquired advertising unit price (FA, FB, FC,...) For each evaluation and the score (p, q, r,...) For each evaluation for each evaluation. Content is calculated by dividing the sum of the values multiplied by (FA * p + FB * q + FC * r + ...) by the sum of all evaluation scores (p + q + r + ...) Calculate the expected share for each ad for each ad,
(F) Control information in which the transmission control means determines an advertisement ID of a specific advertisement to be output to the content viewer terminal according to a priority based on the expected value, and includes the advertisement ID of the specific advertisement Is transmitted to the content viewer terminal. In the content distribution service where the content owner uploads the content uploaded from the content owner terminal via the network to the content viewer terminal with an advertisement and distributes part or all of the advertising fee as a share of the content owner. An advertisement delivery control program comprising the following processing steps to be executed by a computer for advertisement delivery control.
(A) In response to a request using the content ID from the content viewer terminal, the content transmission unit corresponds to the requested content ID from a content information database storing content information including the content ID of each content. Acquire content data and send it to the content viewer terminal via the network.
(B) Based on the evaluation data received from each content viewer terminal, the evaluation data receiving means stores content evaluation information in an evaluation information database in association with the content ID of each content. The information database stores at least a score (p, q, r,...) For each evaluation, and the score is updated each time content evaluation data is received from the content viewer terminal.
(C) The advertisement information registration means includes an advertisement ID of each advertisement and an advertising unit price (FA, FB, FC,...) For each evaluation set for each evaluation by the advertiser or the advertising agency. Store advertising information in the advertising information database,
(D) When there is an advertisement request from the accessing content viewer terminal, the transmission control means obtains a score for each evaluation from the evaluation information database using the content ID as a key, and an advertisement for each evaluation from the advertisement information database. Get unit price,
(E) The transmission control means determines the current value of the acquired advertising unit price (FA, FB, FC,...) For each evaluation and the score (p, q, r,...) For each evaluation for each evaluation. Content is calculated by dividing the sum of the values multiplied by (FA * p + FB * q + FC * r + ...) by the sum of all evaluation scores (p + q + r + ...) Calculate the expected share for each ad for each ad,
(F) Control information in which the transmission control means determines an advertisement ID of a specific advertisement to be output to the content viewer terminal according to a priority based on the expected value, and includes the advertisement ID of the specific advertisement Is transmitted to the content viewer terminal.

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