JP2013161329A - Server, program and communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a server and the like to promote facilitation or stimulation of communication in an event held by a user of an internet community and support networking among users in the event.SOLUTION: An information providing server 30 obtains posted information created by the users of communication terminals that includes character strings indicating the contents of activities of the users and extracts keywords that meet specific conditions from the posted information, and calculates importance information indicating the importance of the respective extracted keywords for each extracted keyword according to the extraction frequencies of the respective extracted keywords during a specific time period. Then, the information providing server 30 specifies keywords whose importance information meets specific conditions from the extracted keywords and distributes keyword information indicating the specified keywords to applicable communication terminals with the users of the applicable communication terminals allowed to be notified.

Description

  The present invention relates to a server device, a program, and a communication system that provide services that support exchange between persons in a virtual space constructed on the Internet.

  In recent years, with the development of network technology such as WWW (World Wide Web) and the progress of portable information communication terminal devices represented by smartphones and the like, social networking services (hereinafter abbreviated as “SNS”) as communication tools in virtual space. And the Internet community represented by electronic bulletin boards has spread, and the number of users (hereinafter referred to as “users”) is increasing year by year.

  For example, in the virtual space on the network such as the WWW, the SNS has information such as a favorite photo, a hobby preference, a diary, a place of work, an occupation, and a place of residence in addition to the personal history and face photo of the user (hereinafter, "User information"), sharing the disclosed information with others, and recruiting friends based on the disclosed information, it can be used as a tool to deepen exchanges. Recently, the SNS is configured to easily share various data such as moving images, still images, music or games, news, and other information.

  On the other hand, in this SNS, about several to several hundred users create a group (also referred to as “community”. In the following, it is unified as “group”), and a bulletin board unique to the group is created in the SNS. Information exchange and data sharing are also possible.

  Recently, a system that uses position information and time information when a user creates a group on a network (hereinafter, also simply referred to as “group”) has been proposed (for example, Patent Document 1). .

  In the system described in Patent Document 1, the current position of each user is specified by position information, and a group on the network with other users existing in a peripheral area (that is, within a predetermined distance range) in the real space. Can be created. At this time, the system has a configuration in which a group application application period can be set in advance, and a group on the network can be created between users existing in the area within the period. ing.

  With such a configuration, the system described in Patent Document 1 can easily create a group on the network among users existing in the vicinity. Further, in the system described in Patent Document 1, not only SNS but also a method for creating a group on a network in real-time communication such as Push-To-Talk is referred to.

JP 2009-135869 A

  However, in the system disclosed in Patent Document 1 above, a function of sharing information within a group on a network created by a friend / acquaintance in the real space can be realized. Facilitating communication in real-world events, such as providing topics at social gatherings, meetings, exchange meetings, conferences, gatherings and other events (hereinafter simply referred to as “events”) Or, it is difficult to use a group on the network as a method of activation.

  In particular, in the system disclosed in Patent Document 1, the amount of information provided for each group on the network increases, making it cumbersome for each user, such as sorting, and the burden of the sorting operation. Since it becomes excessive, it is difficult to use it for events held in real space.

  The present invention has been made to solve the above-mentioned problems, and its purpose is to provide a topic of an event in a real space while eliminating the complexity of each user and reducing the burden on the user. An object of the present invention is to provide a server device or the like that can support the exchange between users in an event by facilitating smooth communication or activation in the event.

  (1) In order to solve the above-described problem, a server device of the present invention is a server device that provides predetermined information to a communication terminal device connected via a network, and includes at least the communication terminal from the communication terminal device. One or more posting information acquisition means for acquiring user identification information for uniquely identifying a user of the device, and posting information including at least a character string created by the user and posted to be viewable on the network; Event information acquisition means for acquiring, as event information, information on the event including at least the user identification information corresponding to one or more users, based on an event formed in a real space in which the user participates, and the acquired Control means for controlling registration of the event information and posted information in the database, and the communication terminal device Keyword extracting means for extracting a keyword satisfying a predetermined first condition from posted information corresponding to a user who participates in an event to which the user belongs, in accordance with an instruction from an acquisition-desiring user who wants to acquire certain information; and the posted information Alternatively, on the basis of at least one of the event information, for each extracted keyword, importance calculating means for calculating importance information indicating the importance of the keyword, and based on the calculated importance information , Keyword specifying means for specifying a keyword satisfying a predetermined second condition from the extracted keywords, and keyword information indicating the specified keyword as the predetermined information for the corresponding communication terminal device And a distribution unit that distributes information so as to notify the user.

  With this configuration, the server device of the present invention can extract a keyword that satisfies a predetermined first condition from posted information corresponding to a user who participates in an event to which the user belongs, in accordance with an instruction from a user who wants to acquire, Importance information indicating the importance of the keyword can be calculated for each extracted keyword based on at least one of post information and event information. Further, the server device of the present invention specifies a keyword satisfying a predetermined second condition from the extracted keywords based on the calculated importance information, and applies keyword information indicating the specified keyword to the corresponding keyword information. The communication terminal device can be distributed so as to be notified to the user.

  Therefore, the server device of the present invention allows each user who participates in the event to share the keyword extracted from the posted information, and can provide the keyword as a topic when the users interact with each other in the real space. .

  As a result, the server device of the present invention provides a topic of an event in the real space while eliminating the complexity of each user and reducing the burden, facilitating or activating communication between users. It is possible to support the exchange between users.

  (2) Further, in the server device of the present invention, the importance level calculation unit calculates the importance level information based on the appearance frequency of the keyword extracted from the posted information by the keyword extraction unit in a predetermined period. have.

  With this configuration, the server device of the present invention can change the keyword extraction candidate period according to the members of the created event, such as extracting a keyword from a period in which users did not interact with each other in the real space. Therefore, it is possible to provide a more suitable topic when users interact with each other in the real space.

(3) Further, in the server device of the present invention, the keyword extraction unit includes a user set A specified as an event to which the acquisition-desired user belongs and a user specified as the event before the specified set A. If the set B satisfies the condition of (Equation 1), the post posted during the period from the timing when the event of the set B is created to the timing when the event of the set A is created The keyword is extracted based on the information.

  With this configuration, for example, the server device of the present invention can extract keywords in a period in which the users did not interact with each other in the real space, and thus provides a topic more suitable when the users interact with each other in the real space. be able to.

  (4) In the server device according to the present invention, the keyword extraction unit includes a user set A specified as an event to which the acquisition-desiring user belongs and a user specified as the event before the specified set A. The set B is extracted based on the posting information corresponding to the posting for a predetermined period when the set B satisfies either of the formulas (2) and (3) ing. “Α” indicates one or more users.

  With this configuration, when a new member exists in an event, the server device of the present invention extracts a keyword based on posted information posted within a predetermined period regardless of the past event creation status. Therefore, it is possible to provide a more suitable topic when users interact with each other in the real space.

  (5) Further, in the server device of the present invention, the event information includes the location information held and the user identification information that participated, and the importance level calculation unit corresponds to the event information based on the location information. Information regarding movement in the real space of each user belonging to the event to be calculated as activity information, and the importance information is calculated based on the calculated activity information.

  With this configuration, for example, the server device of the present invention is an active user (that is, a user who is likely to visit various places and interact with various people) among users belonging to each event. It is possible to increase the importance and share the keywords included in the posted information of the user with each user belonging to the corresponding event, facilitating communication between users in the real space, or more active Topics can be provided for the event.

  (6) Further, in the server device of the present invention, the importance level calculation unit may be different from the position information where one event is held for each corresponding user and the one position information for the same user. Based on the location information where the event was held, the movement distance of the user in the real space is calculated as the activity information, and the importance information is calculated based on the calculated movement distance ing.

  With this configuration, the server device of the present invention can calculate the activity level of the user based on the distance that each user has moved in the real space, so that the topic more suitable when the users interact with each other in the real space. Can be provided.

  (7) Moreover, the server apparatus of this invention has the structure by which the said importance calculation means calculates the said importance information based on the number of users contained in the said event information.

  With this configuration, the server device according to the present invention is assumed to be active in the activities of users belonging to events with a large number of users. The activity level of each user can be calculated based on the number of users, such as becoming higher.

  Therefore, the server device of the present invention can provide a more suitable topic when users interact with each other in the real space.

  (8) Moreover, the server apparatus of this invention has the structure by which the said importance information calculation means calculates the said importance information based on the frequency | count of participation in the said event of each user contained in the said event information. ing.

  With this configuration, the server device of the present invention is assumed to be active in the activity of the user who has a large number of participations in the event. The activity level of each user can be calculated based on the number of users.

  Therefore, the server device of the present invention can provide a more suitable topic when users interact with each other in the real space.

  (9) In the server device of the present invention, the keyword specifying unit specifies keywords having the second condition while ranking in descending order of importance based on the calculated importance information. The distribution unit distributes the specified keyword information to the communication terminal device in a state where the assigned rank is recognizable to a user.

  With this configuration, the server device of the present invention can present the topic of interest to the user in the order of importance, and therefore provides a more suitable topic when the users interact with each other in the real space. Can do.

(10) Moreover, the server apparatus of this invention has the structure by which the said importance calculation means multiplies the said importance information with a different coefficient according to the acquisition date of the said posting information.

  With this configuration, the server device of the present invention can prioritize recent user interests, such as increasing the importance of post information posted most recently over old post information. A more suitable topic can be provided when users interact with each other.

(11) Further, the program of the present invention provides a computer system for a server device that provides predetermined information to a communication terminal device connected via a network, and uniquely identifies at least a user of the communication terminal device from the communication terminal device. Posting information acquisition means for acquiring user identification information for identification and posting information that includes at least a character string created by the user and that can be viewed on the network, a real space in which one or more users participate Event information acquisition means for acquiring, as event information, information on the event including at least the user identification information corresponding to one or more users based on the event formed in the database of the acquired event information and posted information Control means for controlling registration to the predetermined terminal via the communication terminal device Keyword extracting means for extracting a keyword satisfying a predetermined first condition from posted information corresponding to a user who participates in an event to which the user belongs, in accordance with an instruction from an acquisition requesting user who wants to acquire information, the posted information or the event Importance calculation means for calculating importance information indicating the importance of the keyword for each extracted keyword based on at least one of the information, and the extraction based on the calculated importance information Keyword specifying means for specifying a keyword satisfying a predetermined second condition from among the specified keywords, and keyword information indicating the specified keyword as the predetermined information to the user with respect to the corresponding communication terminal device It has a configuration characterized in that it functions as a delivery means for delivering in a reportable manner.

  With this configuration, the program of the present invention can extract a keyword that satisfies a predetermined first condition from posting information corresponding to a user who participates in an event to which the user belongs, in accordance with an instruction from a user who wants to acquire, Importance information indicating the importance of the keyword can be calculated for each extracted keyword based on at least one of the information and the event information. Further, the server device of the present invention specifies a keyword satisfying a predetermined second condition from the extracted keywords based on the calculated importance information, and applies keyword information indicating the specified keyword to the corresponding keyword information. The communication terminal device can be distributed so as to be notified to the user.

  Therefore, the program of the present invention allows each user who participates in the corresponding event to share the keyword extracted from the posted information, and provides the keyword as a topic when the users interact with each other in the real space.

  As a result, the program of the present invention eliminates the complexity of each user and reduces the burden while providing the topic of events in the real space and facilitating or activating communication between users. It is possible to support the exchange between users.

  (12) Moreover, the communication system of this invention has a network, the server apparatus connected to the said network, and the some communication terminal device which communicates with the said server apparatus via the said network, The said server The device includes at least user identification information for uniquely identifying at least a user of the communication terminal device from the communication terminal device, and posted information that includes at least a character string created by the user and is readable on the network. The event information includes at least the user identification information corresponding to one or more users based on an event formed in a real space where one or more users participate, and post information acquisition means for acquiring Event information acquisition means to acquire the acquired event information and posted information to the database In accordance with an instruction from a control means for controlling recording and an acquisition requesting user who desires to acquire the predetermined information via the communication terminal device, a predetermined first number is obtained from posted information corresponding to the user participating in the event to which the user belongs. Importance of calculating importance information indicating importance of the keyword for each extracted keyword based on at least one of the posting information and the event information, and a keyword extracting means for extracting a keyword satisfying one condition Degree calculating means, keyword specifying means for specifying a keyword satisfying a predetermined second condition from the extracted keywords based on the calculated importance information, and keyword information indicating the specified keyword Is distributed to the corresponding communication terminal device so as to be notified to the user as the predetermined information. It has a configuration that when the equipped.

  With this configuration, the communication system of the present invention can extract a keyword that satisfies a predetermined first condition from posted information corresponding to a user who participates in an event to which the user belongs, in accordance with an instruction from a user who wants to acquire, Importance information indicating the importance of the keyword can be calculated for each extracted keyword based on at least one of post information and event information. Further, the server device of the present invention specifies a keyword satisfying a predetermined second condition from the extracted keywords based on the calculated importance information, and applies keyword information indicating the specified keyword to the corresponding keyword information. The communication terminal device can be distributed so as to be notified to the user.

  Therefore, the communication system of the present invention allows each user who participates in the corresponding event to share a keyword extracted from the posted information, and provides the keyword as a topic when the users interact with each other in the real space. .

  As a result, the communication system of the present invention eliminates the complexity of each user and reduces the burden while providing the topic of events in the real space, facilitating or activating communication between users. It is possible to support the exchange between users.

  The server device, the program, and the communication system of the present invention eliminate the complexity of each user and reduce the burden while providing the topic of events in the real space and facilitating communication between users. Or it can activate and can support the exchange between users in the event concerned.

1 is a system configuration diagram showing a configuration of a communication system in an embodiment of the present invention. It is a conceptual diagram which shows the operation | movement outline | summary of the communication system in one Embodiment. It is a block diagram which shows the structure of the communication terminal device in one Embodiment. It is a block diagram which shows the structure of the information provision server apparatus in one Embodiment. It is a figure which shows an example of the data recorded on the SNS user management database in the information provision server apparatus in one Embodiment. It is a figure which shows an example of the data recorded on the event management database in the information provision server apparatus in one Embodiment. It is a figure which shows an example of the data recorded on the contribution information database in the information provision server apparatus in one Embodiment. It is a figure which shows an example of the data recorded on the topic database in the information provision server apparatus in one Embodiment. It is a figure which shows an example of the data recorded on the dictionary database in the information provision server apparatus in one Embodiment. It is a conceptual diagram which shows the period specific process which the period calculation part in the information provision server apparatus in one Embodiment performs. In the communication system of one Embodiment, it is an image figure which shows notionally the topic information extraction process and the topic degree information calculation process which the topic degree information acquisition part of a server apparatus performs. It is a flowchart which shows the event creation process performed in the communication system of one Embodiment. It is a flowchart which shows the extraction process of attention topic information performed in the communication system of one Embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following embodiments, a server device according to the present invention is provided for a communication system having a communication terminal device, an information providing server device connected to the communication terminal device via a network, and an SNS server device. This is an embodiment when a program and a communication system are applied.

[1] Configuration and Overview of Communication System First, the configuration and overview of the communication system 1 in the present embodiment will be described with reference to FIGS. 1 and 2.

  FIG. 1 is a system configuration diagram showing a configuration of the communication system 1 in the present embodiment, and FIG. 2 is a conceptual diagram showing an operation outline of the communication system 1 in the present embodiment. Further, in order to prevent the figure from becoming complicated, only some users are shown in FIGS. 1 and 2. That is, in the actual communication system 1, there are a larger number of users, events ET, and communication terminal devices than displayed. Further, FIG. 1 and FIG. 2 conceptually show the real space RS, and conceptually show a situation where each user is gathered at the event ET in the real space RS.

  The communication system 1 according to the present embodiment provides a topic of communication (for example, conversation) in an event ET to which the user belongs when the user holds an event such as a reunion or a meeting in the real space RS. This is to facilitate smoothing or activation of communication within the event ET in the real space, and to support interaction between users within the event ET.

  In general, various communications are performed in the event ET held in the real space RS as described above. In order to support communication within such an event ET, provide a hot topic (that is, a keyword that is likely to be the center of the topic) that can be of interest to each user belonging to the event ET. Is desirable.

  Therefore, the communication system 1 according to the present embodiment is configured so that each user posts information posted on the Internet such as an SNS so that the user can view the information (for example, user activity contents, the diary, news and other comments, or reports thereof) Information that includes at least columns) and event ET information (including the users participating in the meeting, the number of participants or the number of times of participation, etc.) The topic information is distributed so as to be displayed on the communication terminal device 10 possessed by each user belonging to the event ET.

  In the present embodiment, the information providing service provided to each user is provided independently of a network service such as SNS. However, the posting information of each user is acquired from the SNS and executed. It has become. However, the information providing service may be provided as part of the SNS service.

  In order to realize the above functions, the communication system 1 of the present embodiment, as shown in FIG. 1, provides a plurality of communication terminal devices 10 owned by each user, a network 20, and information providing attention topic information. The server device 30 includes a GPS (Global Positioning System) satellite 40, an SNS server device 50, and a base station BS connected to the network 20.

  The network 20 is configured, for example, by connecting a public telephone network including a mobile telephone network and an IP (Internet Protocol) network. However, the configuration of the network 20 is not limited to this.

  The communication terminal device 10 is a communication terminal device that can be carried by a user, such as a portable music player, a portable game machine, a tablet information terminal device, a smartphone, or a portable telephone.

  In addition, the communication terminal device 10 includes resource data for the WWW system described in a markup language such as XML (extensible Markup Language), and a unique URL (Uniform Resource Locator) indicating a network address of the resource data. And a browsing function for performing data communication with the information providing server device 30 or the SNS server device 50.

  Then, the communication terminal device 10 displays the content corresponding to the data based on the XML data received from the information providing server device 30 or the SNS server device 50 using the browsing function, and receives attention from the information providing server device 30. You can receive topic information.

  Further, the communication terminal apparatus 10 executes various processes for receiving various SNS service provisions from the SNS server apparatus 50, such as browsing of posted information or comments and posting of posted information.

  Furthermore, for example, the communication terminal device 10 accesses the information providing server device 30 via the base station BS based on a user operation as shown in FIG. A process for creating an event ET (hereinafter referred to as “event creation process”) is executed with another user in the vicinity of the user.

  In particular, when the communication terminal device 10 executes this event creation process, according to the user's input operation, at least the event name of the corresponding event, the gender, age group, and preference of the user participating in the event Information providing server device 30 includes event attribute information including information such as information (for example, information on event name “Meeting for Travel” 30s, women, travel, etc.) and event location information indicating the event event location. You can register to.

  In particular, the communication terminal device 10 displays a screen for allowing the user to select or input an event name or the like, for example, and displays event attribute information corresponding to the input content according to the input operation of the user. While generating, it acquires the present position of own machine as holding position information using a GPS function, and registers event attribute information and holding position information in the information providing server device 30.

  An event ID for uniquely identifying each event ET is assigned by the information providing server device 30 in association with the event information at the time of event creation processing, and in a state associated with the event information, the communication terminal device 10 And, it is registered (recorded) in the information providing server device 30.

  Further, the communication terminal device 10 has a function of uploading (posting) post information to the SNS server device 50 together with the user ID of the user of the own device while interlocking with the SNS server device 50.

  Then, the communication terminal device 10 displays the noticed topic information generated by the information providing server device 30 based on the posted information that has already been posted so as to be viewable to the user, thereby triggering communication within the event ET. In addition to providing information, it facilitates smooth communication or activation within the event ET to support user interaction.

  The information providing server device 30 has various databases to be described later, acquires post information created by the corresponding user together with the user ID from the SNS server device 50, and executes event creation processing in conjunction with the communication terminal device 10. By doing so, event information to which one or more users belong is created and registered in the database. In particular, the information providing server device 30 acquires the posting information stored in the SNS server device 50 for each user ID at each predetermined timing, and registers the posting information in the database for each user ID. ing.

  Further, the information providing server device 30 selects a keyword that satisfies a predetermined first condition from posted information corresponding to the user of the event to which the user belongs at a predetermined timing (for example, during event creation processing) according to an instruction from the user. In addition to extraction, importance level information indicating the importance level of the keyword is calculated for each extracted keyword based on at least one of the posting information and the event information.

  Then, the information providing server device 30 specifies a keyword satisfying a predetermined second condition from the extracted keywords based on the calculated importance information, and sets keyword information indicating the specified keyword to the corresponding communication. The information is distributed to the terminal device so that the user can be notified.

  Specifically, the information providing server device 30 extracts a characteristic topic (that is, a keyword) from the posted information stored in the database as topic information at a predetermined timing (for example, during event creation processing) ( In the following, “topic extraction processing” is executed, and the extracted topic information is registered (recorded) in a database (hereinafter referred to as “DB”).

  In particular, the information providing server device 30 specifies a posting period for posting information that is a target for selecting attention topic information as a keyword (that is, a topic) that satisfies the first condition (hereinafter, referred to as “period specifying process”). And a topic information extraction process for extracting a keyword from the posted information posted during the specified period.

  Further, the information providing server device 30 calculates, as the importance of the keyword, activity level information indicating the activity level of each user during the specified period (that is, activity activity in the real space RS) ( Hereinafter, it is referred to as “activity level information calculation processing”) and processing for calculating topic level information indicating the frequency of appearance of each topic included in each user's posted information (hereinafter referred to as “topic level calculation processing”). It is supposed to run.

  Then, the information providing server device 30 should recommend a keyword satisfying the second condition from the extracted keywords to the user belonging to the event ET based on the activity level information calculated as the importance level and the topic level information. It is specified as attention topic information (that is, attention topic information having a high degree of attention by the user of the event ET).

  This activity level information is determined based on the movement distance on the real space RS between the event ET in which each user participates and the previous event ET, and event information (number of participants, number of event creations, etc.). That is, the information providing server device 30 calculates, as activity information, information related to the movement of each user belonging to the event in the real space based on the position information of each user included in the posted information, and the calculated activity It is also possible to calculate the importance information based on the degree information.

  And the information provision server apparatus 30 delivers the attention topic information specified by said method to the communication terminal device 10 of the user who belongs to each event ET.

  The SNS server device 50 is a control device for achieving exchanges between a plurality of users constructed on the Internet, and is a server device that provides various network services.

  In addition, the SNS server device 50 performs data transmission / reception with the communication terminal device 10 via, for example, an API (Application Programming Interface) or a given platform, and provides the service user via the communication terminal device 10. It has become.

In particular, the SNS server device 50 registers, provides, and manages various data provided on the SNS. For example, the SNS server device 50
(1) SNS member determination when logging in to the SNS via the communication terminal device 10,
(2) Information such as the user's background, photos, hobbies, work places, occupations, and residences to be disclosed (hereinafter referred to as “user information”), and posts that can be viewed in each user's diary and other communities Management of Web page data in which information to be disclosed by users including registered character strings or images is registered,
(3) Friend registration to be friends / acquaintances on SNS or follower registration service users to be followers of specific service users and their management,
Each process related to is executed.

  In addition, about the function regarding SNS and transmission / reception of the data with the communication terminal device 10, since it is not different from the conventional SNS, the description is abbreviate | omitted in this embodiment.

  By having such a configuration, in this embodiment, each user who belongs to the corresponding event shares the keyword extracted from the posted information, and the topic when the user interacts with the keyword in the real space. Can be offered as. Therefore, communication between users can be facilitated or activated, and exchanges between users within the event can be supported.

[2] Configuration of Communication Terminal Device Next, the configuration of each communication terminal device 10 of the present embodiment will be described with reference to FIG. FIG. 3 is a configuration diagram illustrating the configuration of the communication terminal device 10 according to the present embodiment.

  As illustrated in FIG. 3, the communication terminal device 10 according to the present embodiment includes a recording unit 100, a network communication unit 110, a current position detection unit 120, a posting information generation unit 130, a display unit 140, and a display control unit. 150, an operation unit 160, and a terminal management control unit 170. The above-described units are connected to each other by a bus B, and data transfer is performed between the components.

  The recording unit 100 includes, for example, a hard disk drive (hereinafter abbreviated as “HDD”) or a nonvolatile flash memory such as a NAND type or a NOR type. The recording unit 100 also includes a random access memory (RAM) and a read only memory (ROM) as work areas of the network communication unit 110 and the terminal management control unit 170.

  The recording unit 100 includes at least an application recording unit 101 and a management data recording unit 102.

  The application recording unit 101 records various application programs (hereinafter referred to as “applications”) executed by the current position detection unit 120, the posted information generation unit 130, and the terminal management control unit 170. A program for realizing the browsing function (also referred to as “browser”) is also recorded.

  The management data recording unit 102 is interlocked with the SNS server device 50 and various management data (hereinafter simply referred to as “SNS management data”) required when the user of the communication terminal device 10 receives SNS service provision. ) Is recorded.

  In the management data recording unit 102, as SNS management data, for example, a URL corresponding to an SNS site for each user, an e-mail address used by the user, an account of the user, and the user itself A user ID for uniquely specifying the password in the SNS and a login password (that is, a login password) may be recorded. However, these pieces of information may be input via the operation unit 160 when logging into the SNS without being recorded.

  Also, the management data recording unit 102 records various types of management data (hereinafter referred to as “service management data”) necessary for receiving the provision of the information providing service for acquiring the topic information of interest. However, in the present embodiment, the same user ID as the SNS ID is used. The management data storage unit 102 records event attribute information and an event ID generated in the event creation process executed when receiving the provision of the information providing service.

  The network communication unit 110 establishes a wireless communication channel with the base station BS according to a communication standard compliant with the base station BS, and exchanges various data with the information providing server device 30 or the SNS server device 50 via the network 20. I do.

  Note that the communication standard to which the base station BS conforms varies depending on the configuration of the network 20. For example, when the network 20 includes a mobile phone network, it conforms to a communication standard such as 3GPP (3rd Generation Partnership Project), 3GPP2, or LTE (Long Term Evolution). In addition, when adopting a configuration in which various wireless LAN (Wireless local area network) networks of IEEE802.11 system are connected to a mobile phone network or a fixed telephone network, the communication protocol is supported.

  The current position detection unit 120 generates position information indicating the current position while detecting the current position of the communication terminal device 10 at every predetermined timing.

  For example, the current position detection unit 120 receives a satellite signal (GPS signal) transmitted from the GPS satellite 40 while recognizing the position of the GPS (Global Positioning System) satellite 40 illustrated in FIG. 1 at a predetermined timing. . Then, the current position detection unit 120 calculates the coordinate value (for example, latitude and longitude) of the current position of the own device based on the received GPS signal, and uses the coordinate value as the current position information for the terminal management control unit 170. To supply.

  Note that the network communication unit 110 of the communication terminal device 10 realizes a function of performing wireless communication according to a configuration that realizes a mobile phone function or a communication protocol of various wireless LAN (Wireless local area network) based on IEEE802.11. In the case of having the configuration, the current position detection unit 120 is automatically used based on the three-point surveying method, that is, the direction of the radio signal received from the base station BS and the radio wave intensity used in these wireless systems. The current position of the machine may be detected.

  The post information acquisition unit 130 generates post information including at least a character string based on an input operation on the operation unit 160 under the control of the terminal management control unit 170, and the post information acquisition unit 130 generates the post information via the terminal management control unit 170. The posted information is posted (uploaded) to the SNS server device 50 in association with the user ID corresponding to the user of the own device.

  The posted information may include image data in addition to the character string. When the image data is included in the posted information, the posted information generation unit 130 may include a camera module. That's fine.

  The display unit 140 is configured by, for example, a panel of a liquid crystal element or an organic EL (Electro Luminescence) element, and displays a predetermined image based on display data generated by the display control unit 150.

  The display control unit 150 generates display data necessary for display on the display unit 140, and outputs the generated display data to the display unit 140.

  The operation unit 160 includes various confirmation buttons, operation buttons for inputting each operation command, a number of keys such as a numeric keypad, and a touch panel, and is used when performing each operation. In addition, it is also possible to use BMI (brain-machine-interface) which performs various operation based on the electrical signal acquired from the user's body as this operation part 160. FIG.

  The terminal management control unit 170 is mainly composed of a central processing unit (CPU) and includes various input / output ports such as a key input port and a display control port, and executes various applications recorded in the recording unit 100. As a result, the overall functions of the communication terminal device 10 are comprehensively controlled, and each process is realized based on various applications stored in the application storage unit 101. For example, the terminal management control unit 170 executes a browser and communicates with the information providing server device 30 or the SNS server device 50 in conjunction with each unit of the communication terminal device 10 to transmit and receive various data.

  In particular, the terminal management control unit 170 performs login to the SNS server device 50 and transmits and receives various data related to posting of posted information while maintaining the login state.

  Specifically, when the terminal management control unit 170 recognizes a user input operation on the operation unit 160, the terminal management control unit 170 reads SNS management data from the management data recording unit 103 and logs in to the SNS. Further, the terminal management control unit 170 executes a process of uploading the posted information acquired by the posted information acquiring unit 130 to the information providing server device 30 via the network communication unit 110 at a predetermined timing.

  Further, the terminal management control unit 170 performs the event creation process with the information providing server device 30 and transmits / receives various data including the noticed topic information when receiving the noticed topic information.

  When the terminal management control unit 170 recognizes a user input operation to the operation unit 160, the terminal management control unit 170 logs in to the information providing server device 30 based on the user ID used when logging in to the SNS, and executes event creation processing. To do. In addition, the terminal management control unit 170 performs processing for acquiring attention topic information from the information providing server device 30 via the network communication unit 110 based on a user input operation.

  Furthermore, when the terminal management control unit 170 receives data (for example, invitation mail or other data) for other users to participate in the event created by the event creation process, the terminal management control unit 170 participates in the invited event. Send and receive various data.

  The terminal management control unit 170 executes these processes on the application by driving a predetermined application.

[3] Configuration of Information Providing Server Device Next, the configuration of the information providing server device 30 according to the present embodiment will be described with reference to FIGS. FIG. 4 is a block diagram showing the configuration of the information providing server device 30 of this embodiment, and FIG. 5 shows an example of data recorded in the user management DB 331 in the information providing server device 30 of this embodiment. FIG. FIG. 6 is a diagram illustrating an example of data recorded in the event management DB 332 in the information providing server device 30 in the present embodiment, and FIG. 7 is post information in the information providing server device 30 in the present embodiment. It is a figure which shows an example of the data recorded on DB333. Further, FIG. 8 is a diagram illustrating an example of data recorded in the topic DB 334, and FIG. 9 is a diagram illustrating an example of data recorded in the dictionary DB 335.

  As shown in FIG. 4, the information providing server device 30 of the present embodiment includes a communication control unit 310, a ROM / RAM 320, a recording device 330, a server management control unit 340, and a timer 350 for specifying the date and time. And a data processing unit 360.

  The above-described units are connected to each other by a bus B, and data transfer is performed between the components.

  The communication control unit 310 is a predetermined network interface, establishes a communication channel with the communication terminal device 10 or the SNS server device 50, and exchanges various data. For example, the communication control unit 310 of the present embodiment constitutes the posted information acquisition unit, the event information acquisition unit, and the distribution unit of the present invention.

  Various programs necessary for driving the information providing server device 30 are recorded in the ROM / RAM 320. The ROM / RAM 320 is used as a work area when the server management control unit 340 executes various processes.

  The recording device 330 is composed of an HDD, and at least a user management DB 331, an event management DB 332, a posting information DB 333, a topic DB 334, and a dictionary DB 335 are provided in the recording area.

  The information related to the event recorded in the user management DB 331 and the event management DB 332 of the present embodiment constitutes event information of the present invention, and the posted information recorded in the posted information DB 333 includes the posted information of the present invention. Configure.

The user management DB 331 is a database in which various information for managing each user who receives the information providing service is stored as data. For example, in the user management DB 331, as shown in FIG.
(1) User ID corresponding to each user (same as user ID for SNS),
(2) user information of the user;
(3) position information (current position information) corresponding to the current position of the user;
(4) Location information (participation event location information) of each event that the user participated in,
(5) The number of times a user has participated in an event in the past (hereinafter referred to as “event participation frequency”) is registered (recorded) in association with each other. The position information is updated at least every time an event is created.

  For example, in the case illustrated in FIG. 5, user information “user1 profile” is recorded in association with the user specified by the user ID “user1”, and the current position of “user1” is “ N: 35: 2: 11 (north latitude 35 degrees 2 minutes 11 seconds) / E140: 1: 20 (east longitude 140 degrees 1 minute 20 seconds) "is registered. In this case, “user1” indicates that the user has participated in any event seven times in the past. In addition,

  Note that information related to events recorded in the user management DB 331 of the present embodiment is included in the event information of the present invention.

  The event management DB 332 is a database that stores various data for managing the event ET created in the event creation process.

For example, in the event management DB 332, as illustrated in FIG.
(1) an event ID corresponding to the corresponding event ET;
(2) event attribute information corresponding to the event ET;
(3) a user ID of a user belonging to the corresponding event ET (hereinafter referred to as “affiliated user ID”);
(4) Information indicating the creation date and time of the corresponding event ET (hereinafter referred to as “event creation date and time”);
(5) A user ID corresponding to the organizer of the event ET (hereinafter also simply referred to as “organizer”) is stored in association with each other.

The posting information DB 333 is a database in which posting information acquired from the SNS server device 50 is stored at every predetermined timing. For example, in the posting information DB 333, as illustrated in FIG.
(1) the user ID of each user;
(2) The posted information ID for uniquely identifying the posted information uploaded by the communication terminal device 10 of the user and the posted information body (that is, at least character information (text data), and depending on the configuration, Image information (information including image data)),
(3) Post date information indicating the post date of the post information;
Are registered in association with each other.

The topic DB 334 is a database that stores topic information extracted from post information and topic level information. For example, in the topic DB 334, for each user ID of each user, as illustrated in FIG.
(1) Topic information extracted from post information corresponding to the corresponding user;
(2) topic level information corresponding to the user;
(3) The update date / time information indicating the update date / time of the topic information is stored in association with each other.

  Note that the topic level information is vector data indicating the number of appearances of each topic extracted from the posted information. In the example shown in FIG. 8, the words of the three topics “newly married”, “travel”, and “Hawaii”. The number of appearances is “10”, “7”, and “5” in user1. Details of vector data calculation will be described later.

  The dictionary DB 334 is a database in which a dictionary used when extracting topic information from post information is registered. For example, in this dictionary DB 334, as shown in FIG. 9, “te”, “ni”, “wo”, “ha”, “me” “me”, “you” “today”, “yesterday” “tomorrow” ”Or other vocabulary such as general nouns, conjunctions, particles / auxiliary verbs / utilization endings (hereinafter referred to as“ general words ”) that are not likely to indicate a topic, are excluded from the posted information. A general language dictionary is registered. However, the dictionary registered in the dictionary DB 334 may be any configuration and function.

  The server management control unit 340 is mainly configured by a central processing unit (CPU), and has a function of integrally controlling each unit of the information providing server device 30 by executing a program.

  In addition, the server management control unit 340 performs a login process to each user's SNS and the above-described event creation process based on a login request from the communication terminal apparatus 10 by a user operation in conjunction with the recording device 330. For example, the server management control unit 340 of the present embodiment constitutes a control unit of the present invention.

  The data processing unit 360 implements various functions by executing various applications. Specifically, the data processing unit 360 includes at least a period calculation unit 361, a topic level information acquisition unit 362, an activity level information calculation unit 363, and an attention topic information generation unit 364.

  For example, the data processing unit 360 of the present embodiment constitutes a keyword extracting unit, an importance calculating unit, and a keyword specifying unit of the present invention. Details of the data processing unit 360 of this embodiment will be described later.

[4] Configuration of Data Processing Unit Next, the configuration of the data processing unit 360 in the information providing server device 30 according to the present embodiment will be described with reference to FIGS. 10 is a conceptual diagram illustrating a period specifying process executed by the period calculating unit 361 of the data processing unit 360 of the information providing server device 30, and FIG. 11 is a topic information executed by the topic degree information acquiring unit 362. It is an image figure which shows an extraction process and a topic level information calculation process notionally.

  The period calculation unit 361 is a posting period for posting information based on past event creation status, and is a period from which attention topic information (ie, keyword) is extracted (hereinafter also referred to as “extraction candidate period”). The period specifying process for specifying is executed.

  Specifically, the period calculation unit 361 includes a set A of users (user IDs) identified as an event to which a user who wants to acquire topic information (hereinafter referred to as “acquisition user”) belongs, and the specified period. When the set B of users created as an event before the set A satisfies the condition of (Equation 4), the event of the set A is created from the timing when the set B event is created. Until the timing is specified as an extraction candidate period.

  In addition, the period calculation unit 361 includes a user set A specified as an event to which a user who wishes to obtain topic information belongs, and a user set B specified as an event before the specified set A (Expression 5). ) Or (Formula 6), a predetermined period (for example, a period of the past one year) is specified as an extraction candidate period. Note that “α” in (Expression 6) indicates one or more users (that is, user IDs).

For example, as shown in FIG.
(1) “group1” is created in “2011/1/1” by three people “user1” “user2” “user3”,
(2) "group2" was created by "user1" and "user3" on "2011/4/1" three months later,
(3) “group3” was created by “user1”, “user2”, and “user3” on “2011/6/1” two months later, and
(4) Assuming a case where “group4” is created by “user1”, “user2”, “user3”, and “user4” in “2011/9/1” three months later, in this embodiment, As described below, the period calculation unit 361 identifies an extraction candidate period for the topic of interest information.

  First, at the creation timing of “group 1”, it is assumed that each user is face-to-face, the relationship between users is assumed to be sparse, and the mutual understanding of other users' interests is assumed to have not progressed. Is done. Therefore, at the creation timing of “group 1”, the posting period of the past one year is specified as the extraction candidate period. That is, the period calculation unit 361 according to the present embodiment specifies one year from 2011/6/1 as the extraction candidate period of the topic topic information at the creation timing of “group1”.

  In addition, at the creation timing of “group 2”, “user 1” and “user 3” communicate once at the time of “2011/1/1”, so the situation before “2011/1/1” Are assumed to understand each other. That is, at the creation timing of “group 2”, the relationship between “group 1” and “group 2” satisfies the above (Formula 4). Therefore, at the creation timing of “group 2”, it is determined that only posted information posted from “group 1” to “group 2” is an object to be shared between the two, and the period is extracted as attention topic information. A candidate period is identified. In other words, the period calculation unit 361 of the present embodiment uses the three months posting period “2011/1/1” to “2011/4/1” at the creation timing of “group2” as the candidate topic information extraction candidate period. As specified.

  Then, at the creation timing of “group3”, “user2” does not participate in “group2”, and when “group2” is used as a reference, “user2”, “user1”, and “user3” are mutually While the understanding period is different, it is assumed that all users participate in “group 1” and that the situation before “2011/1/1” is understood from each other. That is, at the creation timing of “group3”, the relationship between “group2” and “group3” does not include the above (formula 4) and satisfies (formula 5), while satisfying “group1” and “group3”. In the relationship, the above (Formula 4) is satisfied. Therefore, at the creation timing of “group3”, it is determined that only posted information posted from “group1” to “group3” is an object to be shared by each user, and that period is extracted as attention topic information. A candidate period is identified. That is, the period calculation unit 361 according to the present embodiment selects the posting period of “2011/1/1” to “2011/6/1” as a candidate for extracting attention topic information at the creation timing of “group3”. Specify as a period.

  In addition, at the creation timing of “group4”, the relationship between “group1” to “group3” and “group4” does not include the above (formula 4), and satisfies the above (formula 6). The period calculation unit 361 specifies a posting period of one year from 2011/9/1 as an extraction candidate period of attention topic information at the creation timing of “group4”.

  The topic level information acquisition unit 362 performs topic information extraction processing for extracting topic information from post information, and topic level information calculation processing for calculating topic level information according to a predetermined calculation.

  In the topic information extraction process, the topic level information acquisition unit 362 posts posted by each user within the extraction candidate period specified by the period calculation unit 361 in the posting information corresponding to each user belonging to the corresponding event ET. Only words that are not included in the general word dictionary are extracted from the information as character strings, and morphological analysis is performed on the character strings. Then, the topic level information acquisition unit 362 extracts characteristic words included in the character string (that is, words or keywords that are the center of topics in the posted information) as topic information.

  For example, as illustrated in FIG. 11, the topic level information acquisition unit 362 includes, as topic information, when the post information includes a character string “I went to Hawaii on the honeymoon the other day”. Three keywords “honeymoon, travel, Hawaii” are extracted as topic information.

  On the other hand, as the topic level information calculation process, the topic level information acquisition unit 362 calculates the appearance frequency (that is, the number of appearances) of each extracted keyword in the extraction candidate period, and uses the calculated appearance frequency as each element of the vector. The topic level information is generated as follows.

  Specifically, the topic level information acquisition unit 362 calculates, as topic level information, vector data indicating the appearance frequency for each user belonging to the event ET based on the following (Equation 7).

In (Expression 7), “key _j ” on the left side indicates a topic, and “j” is an identification ID (for example, a number or alphabet) assigned to each topic. Also, “t _j ” on the right side indicates the number of times each topic appears. Further, topic level information is calculated by determining the right side of (Equation 7) based on the number of appearances corresponding to all topics. That is, the larger the value of “t _j ”, the more repeatedly the keyword is used in the posted information.

  For example, as shown in FIG. 11, the topic level information acquisition unit 362 has the word appearance counts “1”, “1”, “1” for three topics “travel”, “Hawaii”, and “newlywed” in user 1 Is calculated as topic level information.

  For example, the topic level information acquisition unit 362 similarly extracts “Hawaii, nail, art” as topic information from post information corresponding to “user2”, and vector data of “5, 7, 3”, respectively. Similarly, “diet, nail, hawaii” is extracted as topic information from post information corresponding to “user3”, and vector data of “8, 5, 3” is calculated respectively. However, in FIG. 11, in order to prevent the drawing from becoming complicated, only a part of the posted information of the user is illustrated, but in reality, there is more posted information than illustrated and the same applies to each user. Is processed.

  The activity level calculation unit 363 calculates activity level information corresponding to each user by executing an activity level calculation process.

  Specifically, the activity level calculation unit 363 calculates the number of times a [1] each user participated in the event ET within the period specified by the period calculation unit 361 based on the user management DB 331, The average value a [2] of the number of users participating in is calculated.

  In addition, the activity level calculation unit 363 calculates the distance a [3] that the user has moved based on the position information of each event that has been stored and stored in the user management DB 331. That is, the activity level calculation unit 363 calculates, for each user, all the movement distances from the position where each event was held within the extraction candidate period specified by the period calculation unit 361 to the position of the event that participated next. Then, an average distance a [3] obtained by dividing the total distance by the number of event participations of each user is calculated.

  Then, based on the calculated number of times a [1], average value a [2], and average distance a [3], the activity level calculation unit 363 performs the following calculation of (Equation 8), The degree “WA (user (n))” is calculated as the activity degree information.

  Note that α1, α2, and α3 are constants that are multiplied by the respective operation values. In particular, α3 is a constant multiplied by the moving distance a [3], and only the value of a [3] may be a very large value as in the case of posting overseas, so α3 is It is desirable to set 1 to several tenths to several tenths for α1 and α2. When a [3] becomes very large, only a [3] may be a logarithmic value.

  The topic information generation unit 364, based on the topic level information of each user and the importance level information of the activity level information, from a keyword extracted in the topic information extraction process, a predetermined condition (second The keyword satisfying the condition) is identified as the topic information of interest. In particular, the topic information generation unit 364 specifies keywords satisfying the second condition as attention topic information while ranking in descending order of importance based on importance information.

  By having this configuration, in the present embodiment, it is possible to present attention topics with high importance to users who request attention topic information as topics, and to display attention topics in order of importance. Since it can be presented, it is possible to provide a more suitable topic when users interact with each other in the real space.

  In other words, since the activity level indicates the activity level of each user, it is assumed that among users belonging to the event ET, users with a high activity level have more experiences than users with a low level of activity. It can be assumed that the keyword in the user's posted information has a high importance as a keyword in the event. Therefore, in the present embodiment, by having this configuration, it is possible to quantify a keyword repeatedly used by a more active user to obtain a degree of attention and to provide a keyword (topic) having a high degree of attention. Be able to.

  Specifically, the topic information generation unit 364 calculates the attention level in all topics extracted based on the topic level information and the activity level information of each user according to the following (Equation 9).

  Then, the topic information generation unit 364 identifies a predetermined number (for example, five) keywords from the top while generating ranking in descending order of attention, and generates attention topic information.

[5] Operation of Communication System Next, the operation of the communication system 1 of this embodiment will be described with reference to FIGS. 12 and 13. FIG. 12 is a flowchart showing event creation processing executed in the communication system 1 of the present embodiment, and FIG. 13 is a flowchart showing attention topic information extraction processing executed in the communication system 1.

[5.1] Event Creation Processing First, event creation processing executed in the communication system 1 will be described with reference to FIG.

  In this operation, it is assumed that the use of the information providing service has been registered in advance with the information providing server device 30 by each user, that is, various information has been registered in the user management DB 331 in advance.

  In this operation, the terminal management control unit 170 of the communication terminal device 10 controls the display control unit 150 to display the login instruction to the information providing server device 30 by the user, while the input is input to the operation unit 160. Suppose you are waiting for it to be done.

  First, in the communication terminal device 10, when the terminal management control unit 170 detects a login instruction to the information providing server device 30 based on a user operation on the operation unit 160 (step Sa100), a predetermined program is stored in the application recording unit 101. And making a login request to the information providing server device 30 while activating the browser (step Sa101).

  At this time, the terminal management control unit 170 cooperates with the current position acquisition unit 120 to cause the current position acquisition unit 120 to acquire position information, and also cooperates with the display control unit 150 and the operation unit 160 to provide an information providing server device. While accessing the server 30, input of information necessary for various logins such as a login password for logging in to the information providing server device 30 is accepted.

  Further, when transmitting the login request, the terminal management control unit 170 transmits a request with the user ID of the user of the own device and the acquired location information added thereto, and the information providing server device 30 in the process of step Sa102. It shifts to the state where it waits for data reception from.

  Next, in the information providing server device 30, when the communication control unit 310 receives the request for the login request (step Sa200), the server management control unit 340 searches the user management DB 331 and determines the user ID of the login user. Correspondingly, the received location information is updated and registered in the user management DB 331 (step Sa201).

  Next, the server management control unit 340 searches the user management DB 331 and performs another login that is present in the vicinity of the current location indicated by the location information of the login user (for example, within a distance range of about several tens of meters to 200 meters). The user ID of the user is read, the read user ID is transmitted to the communication terminal device 10 (step Sa202), and the process shifts to a reception standby state in the process of step Sa203.

  Next, in the communication terminal device 10, when the network communication unit 110 receives each user ID transmitted from the information providing server device 30 (that is, the user ID of another user existing in the vicinity of the current location of the user) (step Sa102). ), The terminal management control unit 170 cooperates with the display control unit 150 and the operation unit 160 based on the user ID of the neighboring user received from the information providing server device 30 and the operation input of the user. Event information is generated while receiving input of necessary information such as an event name for creating the event (step Sa103). For example, in conjunction with the operation unit 160, the display control unit 150 displays a display for prompting input of necessary information on the display unit 140, and the terminal management control unit 170 receives input from the operation unit 160.

  Next, the terminal management control unit 170 acquires the position information from the current position acquisition unit 120, and transmits the acquired position information and the generated event information in association with each other to the information providing server device 30 (step). Sa104), this operation is terminated.

  Next, in the information providing server device 30, when the communication control unit 310 receives the event information and the position information (step Sa203), the server management control unit 340 is applicable based on the user ID included in the received event information. A message corresponding to the invitation to the user is transmitted to the corresponding communication terminal device 10 (step Sa204).

  Next, the server management control unit 340 updates the event management DB 332 and the user management DB 331 based on the received event information and position information (step Sa205), and ends this operation.

  In step Sa205, the server management control unit 340 allocates an event ID to the event ET, transmits the event ID assigned to the event ET to the communication terminal device 10, and is the same between the devices. Share the event ID. In addition, the server management control unit 340 updates and registers the event ID and its location information and the number of times of participation in the event in the user management DB 331 in which the user (organizer) who executed the event creation process and each invited user participated. To do.

[5.2] Extraction processing of attention topic information Next, the extraction processing of attention topic information executed in the communication system 1 will be described with reference to FIG. Although the execution start timing of this process may be executed following the process of FIG. 12, it is executed, for example, at a time desired by the meeting user.

  In this operation, it is assumed that necessary information such as post information corresponding to each user is already registered as data in the post information DB 333 in advance as shown in FIG. It is assumed that a login process is executed to the information providing server device 30 by a user operation and the user is in a login state.

  First, in the communication terminal device 10, the terminal management control unit 170, when an instruction to obtain attention topic information from the user is given to the operation unit 160 (Step Sb <b> 102), the user operation via the network communication unit 110. Based on the above, an attention topic information acquisition request is transmitted to the information providing server device 30 (step Sb103), and the process proceeds to the reception standby state of step Sb104. At this time, the terminal management control unit 170 adds the event ID of the event to which the user of the own device belongs to the request for acquiring attention topic information.

  Next, in the information providing server device 30, when the communication control unit 310 receives an acquisition request for attention topic information (step Sb201), the server management control unit 340 cooperates with the period calculation unit 361 of the data processing unit 360, Based on the event ID added to the received attention topic information acquisition request, the user to which the event belongs is specified (step Sb202).

  Next, the server management control unit 340 executes a period calculation process to identify an extraction candidate period for the topic of interest information (step Sb203).

  Specifically, as described above, the server management control unit 340 applies the set (that is, “A”) to the set of users belonging to the user set “A” event (for example, “A”) in the received event ID. )) Is determined in the past, and if there is an event in the past (for example, the set “B”), from the time the event was created in the past to the present A period is specified as an extraction candidate period. Further, the server management control unit 340 determines the past predetermined period (for example, one year before the event (“A”) is created) as described above when the event does not exist in the past or does not completely match. It is specified as an extraction candidate period.

  Next, the server management control unit 340 calculates topic level information from post information of each user belonging to the event during the specified extraction candidate period in cooperation with the topic level information acquisition unit 362 of the data processing unit 360. At the same time, a topic extraction process for specifying a topic (that is, a keyword) is executed (step Sb204).

  Specifically, first, the server management control unit 340 corresponds to the user belonging to the corresponding event posted within the period specified by the period calculation unit 361 in conjunction with the period calculation unit 361 and the dictionary DB 335. Post information is extracted from the post information DB 333. Then, the server management control unit 340 calculates the appearance frequency of each topic in conjunction with the topic level information acquisition unit 362, and calculates topic level information including vector data for each user.

  Next, the server management control unit 340 cooperates with the activity level calculation unit 363 to calculate the average of the past movement distances for each user belonging to the event, while the number of event creations, the number of participants in the past event, and Based on the average moving distance of each user, an activity calculation process is executed (step Sb205).

  Next, the server management control unit 340 sorts the topics based on the topic level information calculated in step Sb204 and the activity level information calculated in step Sb205 in cooperation with the topic information generation unit 364 ( In addition, the top predetermined number (for example, five) of topics are identified as attention topics from the sorted topics, and attention topic information is generated (step Sb206).

  Next, the server management control unit 340 distributes the generated attention topic information to the corresponding communication terminal device 10 via the communication control unit 310 (step Sb207), and ends this operation.

  Note that the topic information generation unit 364 may identify all keywords for which the calculated degree of attention exceeds a predetermined threshold as the topic of interest in the process of step Sb206, and further, based on the degree of attention, Noted topic information may be generated in a ranking format for the topic of interest exceeding the threshold. Further, the topic information generation unit 364 may generate attention topic information in a ranking format for all attention topics based on the attention level.

  Next, in the communication terminal device 10, when reception of the topic of interest information by the network communication unit 110 is detected (step Sb104), the terminal management control unit 170 works in conjunction with the display control unit 150 to display the received topic of interest information. Based on this, the topic of interest is displayed on the display unit 140 (step Sb105), and this operation is terminated.

  The communication terminal device 10 is configured to display the topic information of interest in an arbitrary display format. However, for example, the topics may be displayed in the order in which the topics are ranked. May be displayed as a numerical value.

  As described above, the communication system 1 according to the present embodiment is a predetermined post posted by a user belonging to the event ET in order to activate or facilitate communication in the event ET to which the user of the communication terminal device 10 belongs. A configuration in which only topics of particular interest to the user of the event ET are extracted from the posting information of the period and distributed to the communication terminal device 10 as the topic of interest information, and the topic of interest is provided in a state recognizable to the user It has become.

  Therefore, in the present embodiment, it is possible to facilitate smooth communication or activation in an event created by a user of the Internet community, and support exchange between users in the event.

[6] Modification [6.1] Modification 1
In the above embodiment, the group of SNS users has been described as the event ET, but it can also be used for communication support between users of the Internet community itself. That is, the information providing service in the event ET may be executed by the SNS server device 50 as one of SNS services.

[6.2] Modification 2
In the above-described embodiment, each DB is provided in the information providing server device 30 and the DB is managed and controlled only by the information providing server device 30. However, the management and control entities of each DB are different from each other. It may be configured by a simple computer system.

[6.3] Modification 3
In the above embodiment, morphological analysis is used and weighting for each word is not considered. However, each word may be weighted using TF-IDF (Term Frequency-Inverse Document Frequency). According to this configuration, the attention level of each topic can be weighted not only by the activity level and the topic level but also by presetting.

[6.4] Modification 4
Moreover, in the said embodiment, as shown in FIG. 9, although the structure which excludes a general word and extracts conversation attribute information based on a general word dictionary was employ | adopted, only the characteristic word was recorded. Characteristic words, that is, words other than general words may be extracted using a dictionary.

[6.5] Modification 5
In the above embodiment, an event may be created when posting information is uploaded, and location information may be uploaded when uploading. Then, the post information may be managed in association with the position information, and the movement distance of each user may be calculated using the position information.

[6.6] Modification 6
Moreover, in the said embodiment, the method of extracting attention topic information based on the posting information posted in the period calculated by the period calculation part 361 is adopted, and the posting information posted in the said period is the same. However, the weighting may be performed according to the period. That is, the topic level information acquisition unit 362 may multiply the topic information by a different coefficient according to the acquisition date and time of the posted information. For example, in the example shown in FIG. 11, when creating “group3”, the weight of the posted information posted after creating “group2” is doubled from the posted information posted before creating “group2”, for example. You may make it do. In this case, in the calculation based on (Equation 7), it is necessary to multiply the topic level information by a coefficient corresponding to the weight and weight each post information.

DESCRIPTION OF SYMBOLS 1 ... Communication system 10 ... Communication terminal device 30 ... Server apparatus 100 ... Recording part 101 ... Application recording part 102 ... Management data recording part 110 ... Network communication part 120 ... Current position detection part 130 ... Posting information acquisition part 140 ... Display part 150 ... Display control section 160 ... Operation section 170 ... Terminal management control section 310 ... Communication control section 320 ... ROM / RAM
330 ... Recording device 331 ... User management DB
332 ... Event management DB
333 ... Posting information DB
334 ... Topic DB
340 ... Server management control unit 350 ... Timer 360 ... Data processing unit 361 ... Period calculation unit 362 ... Topic degree information acquisition unit 363 ... Activity degree calculation unit

Claims (12)

A server device that provides predetermined information to a communication terminal device connected via a network,
User identification information for uniquely identifying at least a user of the communication terminal device from the communication terminal device, and posting information that includes at least a character string created by the user and that is posted to be viewable on the network. Posting information acquisition means,
Event information acquisition means for acquiring, as event information, information on the event including at least the user identification information corresponding to one or more users based on an event formed in a real space where one or more users participate;
Control means for controlling registration of the acquired event information and posted information in a database;
In accordance with an instruction from an acquisition requesting user who desires to acquire the predetermined information via the communication terminal device, a keyword that satisfies a predetermined first condition is extracted from posted information corresponding to a user who participates in an event to which the user belongs. Keyword extraction means;
Importance calculating means for calculating importance information indicating the importance of the keyword for each extracted keyword based on at least one of the posting information and the event information;
Keyword specifying means for specifying a keyword that satisfies a predetermined second condition from the extracted keywords based on the calculated importance information;
Distribution means for distributing the keyword information indicating the identified keyword as the predetermined information to a corresponding communication terminal device so that the user can be notified;
A server device comprising: The server device according to claim 1,
The importance calculation means calculates the importance information based on the appearance frequency of the keyword extracted from the post information by the keyword extraction means in a predetermined period;
Server device. In the server apparatus according to claim 1 or 2,
A set of users A specified as an event to which the keyword extraction means belongs and a set B of users specified as the event before the specified set A is expressed by (Formula A). A server device that extracts the keyword based on the posted information posted during a period from the timing when the event of the set B is created to the timing when the event of the set A is created when the condition is satisfied .

In the server apparatus in any one of Claims 1 thru | or 3,
The keyword extraction means includes a set A of users specified as an event to which the acquisition-desired user belongs and a set B of users specified as the event before the specified set A (formula B) or ( The server device (“α” indicates one or more users) that extracts the keyword based on the posting information corresponding to the posting for a predetermined period when any of the conditions of Formula C) is satisfied ).

The server apparatus as described in any one of Claims 1 thru | or 4 WHEREIN:
The event information includes the held location information and the user identification information that participated,
The importance calculation means calculates, as activity information, information related to movement of each user belonging to the event based on the position information as activity information, and based on the calculated activity information. A server device that calculates importance information. The server device according to claim 5,
The importance calculation means, for each corresponding user, based on the position information where one event was held and the position information where another event different from the one position information for the same user was held The server device that calculates the movement distance of the user in the real space as the activity information and calculates the importance information based on the calculated movement distance. In the server apparatus in any one of Claims 1 thru | or 6,
The server device, wherein the importance calculation means calculates the importance information based on the number of users included in the event information. In the server apparatus in any one of Claims 1 thru | or 7,
The server device, wherein the importance information calculation means calculates the importance information based on the number of times each user participates in the event included in the event information. The server device according to any one of claims 1 to 8,
The keyword specifying means specifies keywords having the second condition while ranking in descending order of importance based on the calculated importance information,
The server device, wherein the distribution means distributes the specified keyword information to the communication terminal device in a state where the assigned rank is recognizable to a user. The server device according to any one of claims 1 to 9,
The server device, wherein the importance calculation means multiplies the importance information by a different coefficient in accordance with the date and time when the posted information is acquired. A server device computer system that provides predetermined information to a communication terminal device connected via a network,
User identification information for uniquely identifying at least a user of the communication terminal device from the communication terminal device, and posting information that includes at least a character string created by the user and that is posted to be viewable on the network. Posting information acquisition means,
Event information acquisition means for acquiring, as event information, information on the event including at least the user identification information corresponding to one or more users, based on an event formed in a real space where one or more users participate,
Control means for controlling registration of the acquired event information and posted information in a database;
In accordance with an instruction from an acquisition requesting user who desires to acquire the predetermined information via the communication terminal device, a keyword that satisfies a predetermined first condition is extracted from posted information corresponding to a user who participates in an event to which the user belongs. Keyword extraction means,
Importance calculating means for calculating importance information indicating the importance of the keyword for each extracted keyword based on at least one of the posting information and the event information;
Based on the calculated importance information, a keyword specifying means for specifying a keyword that satisfies a predetermined second condition from the extracted keywords; and
Distribution means for distributing the keyword information indicating the identified keyword as the predetermined information to the corresponding communication terminal device so as to notify the user;
A program characterized by functioning as A network, and a server device connected to the network;
A plurality of communication terminal devices that communicate with the server device via the network;
Have
The server device
User identification information for uniquely identifying at least a user of the communication terminal device from the communication terminal device, and posting information that includes at least a character string created by the user and that is posted to be viewable on the network. Posting information acquisition means,
Event information acquisition means for acquiring, as event information, information on the event including at least the user identification information corresponding to one or more users based on an event formed in a real space where one or more users participate;
Control means for controlling registration of the acquired event information and posted information in a database;
In accordance with an instruction from an acquisition requesting user who wishes to acquire the predetermined information via the communication terminal device, a keyword satisfying a predetermined first condition is extracted from posted information corresponding to a user who participates in an event to which the user belongs. Keyword extraction means;
Importance calculating means for calculating importance information indicating the importance of the keyword for each extracted keyword based on at least one of the posting information and the event information;
Keyword specifying means for specifying a keyword that satisfies a predetermined second condition from the extracted keywords based on the calculated importance information;
Distribution means for distributing the keyword information indicating the identified keyword as the predetermined information to a corresponding communication terminal device so that the user can be notified;
A communication system comprising:

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