JP5139869B2 - Content distribution server, communication system, and content distribution method - Google Patents

Description

  The present invention relates to a content distribution server for distributing content related to a target television program, a content distribution method, and a communication system including the content distribution server.

  2. Description of the Related Art Conventionally, a technology for distributing content according to the actual state of television viewing has been proposed (see Patent Document 1). However, in that case, in order to perform appropriate content distribution, it is essential to accurately grasp the actual state of viewing.

As one method for accurately grasping the actual state of viewing, there is a method of collecting a television viewing history by installing a dedicated set-top box having a television viewing log collection function in many user homes.
JP 2004-62237 A

  However, with the above-described method, it can be said that installing dedicated set-top boxes at a large number of user homes requires a lot of labor and a lot of cost, and is difficult both in terms of cost and operation.

  On the other hand, in recent years, since mobile terminals having an infrared communication function have become widespread, a scene is assumed in which the mobile terminal is used as a remote control for a television receiver and a recording apparatus using the infrared communication function.

  For this reason, it is hoped that a simple TV viewing history collection using a mobile terminal will be realized, and the TV viewing history will be accurately grasped, and then appropriate information distribution according to the TV viewing status will be performed. Yes.

  In view of the above, an object of the present invention is to accurately grasp the actual state of viewing of a television by a simple method and perform appropriate information distribution according to the actual state of viewing of the television.

  In order to achieve the above object, a content distribution server according to the present invention is a content distribution server that distributes content related to a target television program, and stores a recording reservation history, a remote control operation history, a WEB page access history, and a WEB page write content. A history storage unit for storing, a history recording unit that receives a recording reservation history and a remote control operation history from the mobile terminal, and stores the received recording reservation history and remote control operation history in the history storage unit; and a WEB of the mobile terminal A page access history acquisition unit that acquires a page access history and stores the acquired WEB page access history in the history storage unit, and a writing content written from the portable terminal to a predetermined WEB page on which information can be written Written content that is acquired and stored in the history storage unit An acquisition unit; a related information storage unit that stores related WEB page information and related keywords for each program; and a related information acquisition unit that acquires related WEB page information and related keywords related to the target TV program from the related information storage unit. It is determined whether or not a recording reservation history and a remote control operation history related to the target TV program are stored in the history storage unit, and a WEB page access history to a related WEB page related to the target TV program is stored in the history storage unit It is determined whether or not the related keyword related to the target TV program is in the written content stored in the history storage unit, and the target TV program is determined according to these determination results. Viewing reliability calculator for calculating viewing reliability related to viewing, and calculated viewing reliability and location A viewing presence / absence determining unit that determines whether or not the target TV program has been viewed by comparing with the reference value, and a recording reservation for the target TV program when it is determined that the target TV program has been viewed According to the determination result of whether or not the history and the remote control operation history are stored in the history storage unit and the determination result of whether or not the related keyword related to the target TV program is in the written content, the target TV program The real-time viewing reliability calculation unit for calculating the real-time viewing reliability related to the fact that the target TV program was viewed in real time and the calculated real-time viewing reliability and a predetermined reference value are compared, so that the target TV program can be viewed in real time. A real-time viewing determination unit that determines whether or not the target television program has been viewed in real time; When the determination is made, real-time content related to the target television program is acquired from an external server storing the content for each program, the acquired real-time content is distributed to the mobile terminal, and the target television program is viewed in real time. A content distribution unit that acquires non-real-time content related to the target television program from the external server and distributes the acquired non-real-time content to the mobile terminal at a predetermined timing when it is not determined It is characterized by.

  The content distribution server includes a recording reservation history and a remote control operation history easily obtained by a mobile terminal, a viewing reliability calculated based on a WEB page access history and a WEB page writing content, a predetermined reference value, To determine whether or not the target TV program has been viewed. When it is determined that the target TV program has been viewed, it is calculated based on the recording reservation history, the remote control operation history, and the contents written on the WEB page. By comparing the real-time viewing reliability with a predetermined reference value, it is determined whether or not the target television program has been viewed in real time. And according to the judgment result, in order to deliver real-time content or non-real-time content related to the target TV program to the mobile terminal, simple TV viewing history collection using the mobile terminal is realized, and the actual state of TV viewing is accurately grasped. In addition, it is possible to perform appropriate information distribution according to the actual state of television viewing.

  The viewing reliability calculation unit of the content distribution server stores the remote control operation history related to the target TV program when the total viewing time of the target TV program is equal to or longer than a predetermined reference time based on the remote control operation history. It is desirable to judge. In this case, when the viewer watches the target TV program only for a very short time, it is possible to prevent the target TV program from being erroneously determined to have been viewed, and to grasp the actual state of TV viewing more accurately. Can do.

  In addition, the content distribution unit of the content distribution server, for distribution of non-real-time content, (1) when receiving a distribution request from a mobile terminal, (2) when the check timing every predetermined time in the content distribution server has arrived Or (3) When polling is received every predetermined time from the mobile terminal, it is desirable to deliver non-real-time content for the amount after the previous delivery, which is applicable to various embodiments.

  By the way, the invention related to the content distribution server described above can be described as an invention related to a communication system including the content distribution server and an invention related to a content distribution method as described below, and has the same effect. .

  The communication system according to the present invention includes (1) a content distribution server having the above-described configuration, (2) a content management server that stores content for each program, and (3) a history storage that stores recording reservation history and remote control operation history. A portable terminal comprising: a history transmission unit that transmits a recording reservation history and a remote control operation history to a content distribution server; a content reception unit that receives content from the content distribution server; and a content output unit that outputs the received content And a terminal.

  A content distribution method according to the present invention is a content distribution server that distributes content related to a target television program, and a history storage unit for storing a recording reservation history, a remote control operation history, a WEB page access history, and a WEB page write content; A content distribution method executed by the content distribution server including a related web page information for each program and a related information storage unit storing a related keyword, and receiving a recording reservation history and a remote control operation history from a portable terminal Storing the received recording reservation history and remote control operation history in the history storage unit; acquiring the WEB page access history of the mobile terminal; and storing the acquired WEB page access history in the history storage unit; To a predetermined WEB page where information can be written And acquiring the written content written from the portable terminal, storing the acquired written content in the history storage unit, and acquiring related WEB page information and related keywords related to the target TV program from the related information storage unit. Determining whether a recording reservation history and a remote control operation history relating to the target TV program are stored in the history storage unit, and a WEB page access history to a related WEB page relating to the target TV program is stored in the history storage Whether or not the related keyword related to the target TV program is in the written content stored in the history storage unit, and depending on the determination result, the target A step of calculating a viewing reliability related to the viewing of the TV program, and the calculated viewing reliability And a predetermined reference value to determine whether or not the target television program has been viewed, and if it is determined that the target television program has been viewed, a recording reservation history relating to the target television program And the remote control operation history is stored in the history storage unit, and the target TV program is determined according to the determination result whether the related keyword related to the target TV program is in the written content. A step of calculating a real-time viewing reliability related to being viewed in real time and comparing the calculated real-time viewing reliability with a predetermined reference value to determine whether or not the target TV program has been viewed in real time. And when it is determined that the target TV program has been viewed in real time, If the real-time content related to the target TV program is acquired from an external server storing the content, the acquired real-time content is distributed to the mobile terminal, and the target TV program is not determined to be viewed in real time, Acquiring non-real-time content related to the target television program from an external server, and delivering the acquired non-real-time content to the portable terminal at a predetermined timing.

  In determining whether or not the remote control operation history related to the target TV program is stored, the remote control operation related to the target TV program is determined when the total viewing time of the target TV program exceeds a predetermined reference time based on the remote control operation history. It is desirable to determine that a history is stored.

  As for non-real-time content distribution, (1) when a distribution request is received from a mobile terminal, (2) when a check timing every predetermined time has arrived at the content distribution server, or (3) from a mobile terminal When receiving polling every hour, it is desirable that non-real-time content for the amount after the previous distribution is distributed.

  According to the present invention, simple TV viewing history collection using a mobile terminal can be realized, and after the television viewing status is accurately grasped, appropriate information distribution according to the television viewing status can be performed.

  Embodiments according to the present invention will be described below with reference to the drawings.

[Configuration of communication system and devices]
First, the configuration of the communication system according to the present embodiment will be described. As shown in FIG. 1, the communication system 1 according to the present embodiment is connected to a mobile terminal 40 having an infrared communication function, a mobile communication network 30 and an Internet network 60, and is connected to the mobile terminal 40 via the mobile communication network 30. A content distribution server 10 that distributes content and a content management server 20 that stores and manages the distributed content are configured. The portable terminal 40 is used in place of the remote control of the television receiver 50 and the recording device 51 using the infrared communication function.

  As shown in FIG. 2, the content distribution server 10 includes a recording storage history, a remote control operation history, a WEB page access history, and a WEB page write content, and a recording reservation history and a remote control from the portable terminal 40. A history receiving unit 101 that receives an operation history, stores the received recording reservation history and remote control operation history in the history storage unit 112, acquires a web page access history of the portable terminal 40, and stores the acquired web page access history as a history. The page access history acquisition unit 102 stored in the unit 112 and the written content written from the portable terminal 40 to a predetermined WEB page where information can be written are acquired, and the acquired written content is stored in the history storage unit 112. Write content acquisition unit 103, related WEB page information and related keys for each program The related information storage unit 104 that stores the mode, the related information acquisition unit 105 that acquires related WEB page information and related keywords related to the target television program from the related information storage unit 104, and the procedure described later, the target television program is viewed. Viewing reliability calculation unit 106 that calculates the viewing reliability related to the event, and a viewing presence / absence determination unit that determines whether or not the target television program has been viewed by comparing the calculated viewing reliability and a predetermined reference value 107 and a real-time viewing reliability calculation unit 108 that calculates a real-time viewing reliability related to the viewing of the target TV program in real time according to a procedure described later when it is determined that the target TV program has been viewed. The target TV program can be viewed in real time by comparing the real-time viewing reliability with a predetermined reference value. A real-time viewing determination unit 109 that determines whether or not the target television program has been viewed in real time according to a determination result whether or not the target television program is viewed in real time (hereinafter referred to as “real-time content”) or non-real-time A content distribution unit 110 that distributes content to be distributed (hereinafter referred to as “non-real-time content”) to the mobile terminal 40 and a recommendation request reception unit 111 that receives a recommendation request from the mobile terminal 40 are provided.

  Among the above, the history storage unit 112 stores a recording reservation history management table 112A for storing a recording reservation history, a remote control operation history management table 112B for storing a remote control operation history, and a WEB page access history. The page access history management table 112C and a write content management table 112D for storing WEB page write content are configured. In addition, the content distribution unit 110 includes a content management table 110A that stores real-time content and non-real-time content associated with each program in advance. An example of data in each table will be described later.

  As shown in FIG. 1, since the content distribution server 10 exists on the communication path when accessing the Internet network 60 from the mobile terminal 40, the web page access history from the mobile terminal 40 can be acquired. In addition, it is possible to acquire the written contents written from the portable terminal 40 to a predetermined WEB page on which information can be written.

  On the other hand, the mobile terminal 40 includes a history storage unit 41 that temporarily stores a recording reservation history and a remote control operation history, a history transmission unit 42 that transmits the recording reservation history and the remote control operation history to the content distribution server 10, and a content distribution server. The content receiving unit 43 that receives content from the content 10, the content output unit 44 that outputs the received content, the recommendation request transmitting unit 45 that transmits a recommendation request to the content distribution server 10, and the infrared communication unit 46 that performs infrared communication And.

  By the way, from the viewpoint of hardware, the content distribution server 10 has a CPU 10A that executes an operating system, an application program, and the like, a main storage unit 10B that includes a ROM and a RAM, and a nonvolatile memory, as shown in FIG. An auxiliary storage unit 10C composed of a volatile memory, a communication control unit 10D that performs data communication, an output unit 10E that displays information, prints out information, and the like, and performs character / number input and execution instructions And an operation unit 10F composed of keys. Note that each function described in FIG. 2 reads predetermined software on the CPU 10A and the main storage unit 10B shown in FIG. 4 to execute a predetermined application, and controls the communication control unit 10D under the control of the CPU 10A. It is realized by operating and reading and writing data in the main storage unit 10B and the auxiliary storage unit 10C. Moreover, as a hardware configuration, the portable terminal 40 and the content management server 20 basically have the same configuration.

[Example of data in each table]
As shown in FIG. 8, in the recording reservation history management table 112A, a recording reserved channel and a recording reservation time zone are stored for each user ID determined for each user of the portable terminal 40. As shown in FIG. 9, the remote control operation history management table 112B stores, for each user ID, the channel selected by the remote control operation and the selected date and time. In the present embodiment, it is assumed that the area to which the common television program table (the time table of the television program) is applied (for example, within the Kanto region) is applied. Since the television program uniquely corresponds to the combination of the channel and time (recording time zone and selection date and time) shown in FIGS. 8 and 9, two channels, time and time, are managed. Of course, if “region” information is added to and managed in FIGS. 8 and 9, the applicable region range can be expanded to the whole of Japan where various TV program guides are mixed. . This is because a television program uniquely corresponds to three combinations of region, channel, and time.

  As shown in FIG. 10, the page access history management table 112C stores the address of the accessed WEB page and the date and time of access for each user ID. As shown in FIG. 11, in the write content management table 112D, the WEB page write content and the write date and time are stored for each user ID.

  As shown in FIG. 12, in the related information storage unit 104, basic information of the program (for example, information on genre, channel, broadcast date and time), an address of a related WEB page, and a related keyword are stored in advance for each program. ing. Note that the address of the related WEB page and the related keyword are not limited to one each, and a plurality of them are stored.

  As shown in FIG. 13, the content management table 110A stores real-time content and non-real-time content associated with each program in advance. Note that “AD-A-R1” illustrated in FIG. 13 means first real-time content related to the program A (for example, advertising content to be distributed in real time).

[Processing flow of this embodiment]
Hereinafter, the processing flow executed in the communication system 1 of FIG. 1 will be described with reference to the flowcharts of FIGS. In the present embodiment, it is assumed that one or more television programs aired in real time at the time of processing are determined in advance as target television programs.

  First, in the portable terminal 40, the history storage unit 41 temporarily stores the recording reservation history and the remote control operation history (step T1 in FIG. 5), and then the history transmission unit 42 distributes the recording reservation history and the remote control operation history as content. It transmits to the server 10 (step T2).

  On the other hand, in the content distribution server 10, the history receiving unit 101 receives the recording reservation history and the remote control operation history from the portable terminal 40, stores the received recording reservation history in the recording reservation history management table 112A, and the received remote control operation history. Is stored in the remote control operation history management table 112B (step S1). Further, the page access history acquisition unit 102 acquires the WEB page access history of the portable terminal 40, stores the acquired WEB page access history in the page access history management table 112C (step S2), and the write content acquisition unit 103 stores information. The write content written from the portable terminal 40 is acquired for a predetermined WEB page that can be written, and the acquired write content is stored in the write content management table 112D (step S3). Further, the related information acquisition unit 105 acquires related WEB page information and related keywords related to the target television program from the related information storage unit 104 of FIG. 12 (step S4). Here, for example, when the program A shown in FIG. 12 is a target television program, “http://abc.soccer.jp”, “http://xyz.sports.com/soccer”, “ "http://www.soccer-fan.jp" etc. are acquired, and "Soccer", "FIFA", "J League" etc. are acquired as related keywords.

  Then, the viewing reliability calculation unit 106 calculates the viewing reliability related to the viewing of the target television program according to the procedure of FIG. 6 described below (step S5). That is, the viewing reliability calculation unit 106 sets the viewing reliability p to a predetermined initial value (step S51 in FIG. 6), and then the recording reservation history of the target TV program is stored in the recording reservation history management table 112A. (Step S52), and when it is determined that the recording reservation history of the target TV program is stored, the value of the viewing reliability p is increased by a value q1 determined by weighting in advance. (Step S53). Thereafter, the viewing reliability calculation unit 106 determines whether or not the remote control operation history of the target TV program is stored in the remote control operation history management table 112B (step S54), and the remote control operation history of the target TV program is stored. If it is determined that there is, the value of the viewing reliability p is increased by a value r1 determined in advance by weighting (step S55).

  By the way, the frequency of the remote control operation is generally higher than the frequency of the recording reservation described above, and the remote control operation may be performed a plurality of times within a short time. Therefore, in the present embodiment, the viewing reliability calculation unit 106 stores the remote control operation history related to the target TV program when the total viewing time of the target TV program is equal to or longer than a predetermined reference time by the remote control operation. judge. The reference time is, for example, “20 minutes” for a 60-minute program and “40 minutes” for a 120-minute program. Here, if the target television program is a program A (FIG. 12) of a 120-minute program, the reference time is 40 minutes. In the example of FIG. 9, for the user ID “001”, the total time for which the channel of the program A (6 digital terrestrial channels) of the target television program is selected is 110 minutes (16:00 30 seconds to 16:50 30). 50 minutes of seconds and 60 minutes from 17:52 30 seconds to 16:52 30 seconds), which is longer than the reference time (40 minutes), it is determined that the remote control operation history for the target TV program is stored. The As described above, when the total viewing time of the target TV program is equal to or longer than the predetermined reference time by the remote control operation, it is determined that the remote control operation history related to the target TV program is stored, so that the viewer can Can be prevented from being erroneously determined that the target television program has been viewed, and the actual state of viewing of the television can be grasped with higher accuracy.

  Next, it is determined whether or not the WEB page access history to the related WEB page related to the target TV program is stored in the page access history management table 112C (step S56), and it is determined that the WEB page access history is stored. In this case, the value of the viewing reliability p is increased by a value s1 determined in advance by weighting (step S57). Further, it is determined whether or not the related keyword related to the target TV program is stored in the written content management table 112D (step S58), and when it is determined that the related keyword is stored, the value of the viewing reliability p is set. Then, the value t1 is increased by a predetermined value t1 (step S59). As described above, the viewing reliability p adjusted according to the determination results of steps S52, S54, S56, and S58 is calculated.

  Returning to FIG. 5, in the next step S <b> 6, the viewing presence / absence determining unit 107 determines whether or not the target television program has been viewed by determining whether or not the calculated viewing reliability p is greater than or equal to a predetermined reference value. Determine whether. Here, if the viewing reliability p is less than the reference value, it is determined that the target television program has not been viewed, and the processing of FIG. 5 ends.

  On the other hand, if the viewing reliability p is greater than or equal to the reference value, it is determined that the target television program is being viewed, and the real-time viewing reliability calculation unit 108 performs real-time viewing reliability in real time according to the procedure shown in FIG. Real-time viewing reliability related to viewing is calculated (step S7). That is, the real-time viewing reliability calculation unit 108 sets the real-time viewing reliability x to a predetermined initial value (step S71 in FIG. 7), and then the recording reservation history of the target TV program is stored in the recording reservation history management table 112A. It is determined whether or not it is stored (step S72). If it is determined that the recording reservation history of the target TV program is stored, it can be determined that the target TV program is not viewed in real time. The value of degree x is decreased by a value q2 determined by weighting in advance (step S73). Thereafter, the real-time viewing reliability calculation unit 108 determines whether or not the remote control operation history of the target TV program is stored in the remote control operation history management table 112B (step S74), and the remote control operation history of the target TV program is stored. If it is determined that the target television program is being viewed in real time, the value of the real-time viewing reliability x is increased by a value r2 determined by weighting in advance (step S75). In step S74, as in step S54 of FIG. 6 described above, when the total viewing time of the target TV program is equal to or longer than a predetermined reference time by remote control operation, a remote control operation history related to the target TV program is stored. It is determined that

  Further, it is determined whether or not the related keyword related to the target television program is stored in the written content management table 112D (step S76). If it is determined that the related keyword is stored, the target television program is viewed in real time. Therefore, the value of the viewing reliability p is increased by a value t2 determined by weighting in advance (step S77). As described above, the real-time viewing reliability x adjusted according to the determination results of steps S72, S74, and S76 is calculated.

  Returning to FIG. 5, in the next step S <b> 8, the real-time viewing determination unit 109 determines whether or not the calculated real-time viewing reliability x is greater than or equal to a predetermined reference value, so that the target television program can be viewed in real time. It is determined whether or not it has been done (step S8). Here, if the real-time viewing reliability x is equal to or higher than the reference value, it is determined that the target television program has been viewed in real time, and the content distribution unit 110 searches the content management table 110A of FIG. Identify real-time content. For example, real-time contents “AD-A-R1” and “AD-A-R2” related to the program A are specified. Then, the real-time content is acquired from the content management server 20, and the acquired real-time content is distributed to the mobile terminal 40 (step S9).

  On the other hand, if the real-time viewing reliability x is less than the reference value in step S8, it is determined that the target television program is not viewed in real time, and the content distribution unit 110 searches the content management table 110A of FIG. Thus, the non-real-time content related to the target television program is specified, and the specified non-real-time content is acquired from the content management server 20. For example, the non-real time contents “AD-A-N1” and “AD-A-N2” related to the program A are specified, and these non-real time contents are acquired from the content management server 20. Then, when the predetermined timing arrives, non-real-time content for the portion after the previous distribution is distributed to the mobile terminal 40 (steps S10 and S11). As the predetermined timing, for example, (1) when a recommendation request transmitted from the portable terminal 40 in step T3 in FIG. 5 is received, or (2) when a check timing every predetermined time has arrived in the content distribution server 10 Or (3) when polling is received from the portable terminal 40 every predetermined time.

  In one portable terminal 40, the content receiving unit 43 receives the content distributed from the content distribution unit 110 in steps S9 and S11 (step T4), and the content output unit 44 outputs (displays) the received content. Output, voice output, etc.) (step T5).

  According to the present embodiment described above, the content distribution server can obtain the viewing reliability calculated based on the recording reservation history and the remote control operation history, the WEB page access history, and the WEB page writing content obtained easily by the mobile terminal. The degree p is compared with a predetermined reference value to determine whether or not the target TV program has been viewed. When it is determined that the target TV program has been viewed, the recording reservation history, the remote control operation history, and the WEB It is determined whether or not the target television program has been viewed in real time by comparing the real-time viewing reliability x calculated based on the page writing content with a predetermined reference value. When it is determined that the target TV program has been viewed in real time, real-time content related to the target TV program is distributed, and when it is determined that the target TV program is not viewed in real time, non-real time content related to the target TV program is distributed. To deliver. Therefore, it is possible to realize simple TV viewing history collection using a mobile terminal, accurately grasp the television viewing actual state, and perform appropriate information distribution according to the television viewing actual state.

  Note that steps S72, S74, and S76 in FIG. 7 are processes substantially similar to the determination processes in steps S52, S54, and S58 in FIG. 6, respectively, and therefore the determination results in steps S52, S54, and S58 are temporarily stored. You may memorize | store and use it by the determination process of step S72, S74, S76 of FIG.

1 is a configuration diagram of a communication system according to an embodiment of the invention. It is a block diagram of a content delivery server. It is a block diagram of a portable terminal. It is a hardware block diagram of a content delivery server. It is a flowchart which shows the process which concerns on embodiment of invention. It is a flowchart which shows the subroutine of viewing reliability calculation processing. It is a flowchart which shows the subroutine of a real-time viewing reliability calculation process. It is a figure which shows the example of data of a video recording reservation log | history management table. It is a figure which shows the example of data of a remote control operation history management table. It is a figure which shows the example of data of a page access history management table. It is a figure which shows the example of data of a write content management table. It is a figure which shows the example of data memorize | stored in the related information storage part. It is a figure which shows the example of data of a content management table.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Communication system, 10 ... Content delivery server, 10A ... CPU, 10B ... Main memory part, 10C ... Auxiliary memory part, 10D ... Communication control part, 10E ... Output part, 10F ... Operation part, 20 ... Content management server, 30 ... mobile communication network, 40 ... portable terminal, 41 ... history storage unit, 42 ... history transmission unit, 43 ... content reception unit, 44 ... content output unit, 45 ... recommendation request transmission unit, 46 ... infrared communication unit, 50 ... television Receiver 51, recording device 60, internet network 101, history receiving unit 102, page access history acquiring unit 103, writing content acquiring unit 104, related information storage unit 105, related information acquiring unit 106 Viewing reliability calculator 107: Viewing presence / absence determining unit 108: Real-time viewing reliability calculating unit 109 109 Real-time viewing determining unit 110 110A ... content management table, 111 ... recommendation request receiving unit, 112 ... history storage unit, 112A ... recording reservation history management table, 112B ... remote control operation history management table, 112C ... page access history management table, 112D ... write Content management table.

Claims (7)

A content distribution server for distributing content related to a target TV program,
A history storage unit for storing a recording reservation history, a remote control operation history, a WEB page access history, and a WEB page writing content;
A history receiving unit that receives a recording reservation history and a remote control operation history from a mobile terminal, and stores the received recording reservation history and remote control operation history in the history storage unit;
A page access history acquisition unit for acquiring a WEB page access history of the mobile terminal and storing the acquired WEB page access history in the history storage unit;
A write content acquisition unit that acquires the write content written from the mobile terminal for a predetermined WEB page on which information can be written, and stores the acquired write content in the history storage unit;
A related information storage unit storing related WEB page information and related keywords for each program;
A related information acquisition unit that acquires related WEB page information and related keywords related to the target television program from the related information storage unit;
It is determined whether a recording reservation history and a remote control operation history related to the target TV program are stored in the history storage unit, and a WEB page access history to a related WEB page related to the target TV program is stored in the history storage unit. It is determined whether or not the related keyword related to the target TV program is in the written content stored in the history storage unit, and the target TV program is viewed according to the determination result. A viewing reliability calculation unit for calculating a viewing reliability related to the
A viewing presence / absence determining unit that determines whether or not the target television program has been viewed by comparing the calculated viewing reliability with a predetermined reference value;
When it is determined that the target TV program has been viewed, the determination result of whether or not the recording reservation history and the remote control operation history regarding the target TV program are stored in the history storage unit, and the relationship regarding the target TV program A real-time viewing reliability calculation unit that calculates a real-time viewing reliability related to the fact that the target TV program was viewed in real time according to a determination result of whether or not a keyword is in the written content;
A real-time viewing determination unit that determines whether or not the target television program has been viewed in real time by comparing the calculated real-time viewing reliability with a predetermined reference value;
When it is determined that the target television program has been viewed in real time, the real-time content related to the target television program is acquired from an external server storing the content for each program, and the acquired real-time content is distributed to the mobile terminal. When it is not determined that the target TV program has been viewed in real time, non-real time content related to the target TV program is acquired from the external server, and the acquired non-real time content is distributed to the mobile terminal at a predetermined timing. A content distribution unit to
Content distribution server with The viewing reliability calculation unit determines that a remote control operation history related to the target TV program is stored when the total viewing time of the target TV program is equal to or longer than a predetermined reference time based on the remote control operation history.
The content distribution server according to claim 1. For the distribution of non-real-time content, the content distribution unit
When the distribution request is received from the mobile terminal, when the check timing every predetermined time in the content distribution server has arrived, or when polling every predetermined time is received from the mobile terminal, Delivering non-real-time content,
The content distribution server according to claim 1 or 2, characterized in that A content delivery server according to claim 1;
A content management server storing content for each program;
A history storage unit that stores a recording reservation history and a remote control operation history, a history transmission unit that transmits the recording reservation history and the remote control operation history to the content distribution server, and a content reception unit that receives content from the content distribution server; A portable terminal having a content output unit for outputting the received content;
The communication system comprised including. A content distribution server that distributes content related to a target TV program, a history storage unit for storing a recording reservation history, a remote control operation history, a WEB page access history, and a WEB page writing content, and related WEB page information and related information for each program A content distribution method executed by the content distribution server including a related information storage unit storing a keyword,
Receiving a recording reservation history and a remote control operation history from the mobile terminal, and storing the received recording reservation history and remote control operation history in the history storage unit;
Acquiring a WEB page access history of the mobile terminal, and storing the acquired WEB page access history in the history storage unit;
Acquiring the written content written from the mobile terminal for a predetermined WEB page where information can be written, and storing the acquired written content in the history storage unit;
Obtaining related WEB page information and related keywords related to the target television program from the related information storage unit;
It is determined whether a recording reservation history and a remote control operation history related to the target TV program are stored in the history storage unit, and a WEB page access history to a related WEB page related to the target TV program is stored in the history storage unit. It is determined whether or not the related keyword related to the target TV program is in the written content stored in the history storage unit, and the target TV program is viewed according to the determination result. Calculating a viewing reliability related to what has been done;
Determining whether or not the target television program has been viewed by comparing the calculated viewing reliability with a predetermined reference value;
When it is determined that the target TV program has been viewed, the determination result of whether or not the recording reservation history and the remote control operation history regarding the target TV program are stored in the history storage unit, and the relationship regarding the target TV program Calculating a real-time viewing reliability related to the fact that the target television program was viewed in real time according to a determination result of whether or not a keyword is in the written content;
Determining whether or not the target television program has been viewed in real time by comparing the calculated real-time viewing reliability with a predetermined reference value;
When it is determined that the target television program has been viewed in real time, the real-time content related to the target television program is acquired from an external server storing the content for each program, and the acquired real-time content is distributed to the mobile terminal. When it is not determined that the target TV program has been viewed in real time, non-real time content related to the target TV program is acquired from the external server, and the acquired non-real time content is distributed to the mobile terminal at a predetermined timing. And steps to
Content delivery method comprising: In determining whether or not a remote control operation history related to the target TV program is stored, if the total viewing time of the target TV program exceeds a predetermined reference time based on the remote control operation history, the remote control operation related to the target TV program is stored. It is determined that the history is stored,
The content distribution method according to claim 5. For delivery of the non-real-time content,
When the distribution request is received from the mobile terminal, when the check timing every predetermined time in the content distribution server has arrived, or when polling every predetermined time is received from the mobile terminal, Non-real-time content is delivered,
The content distribution method according to claim 5 or 6, characterized in that

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