JP2013077059A - Dialogue system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase accidental dialogues, such as an aimless, casual conversation, by a dialogue system presenting a user trend each user is unconscious of, in the dialogue system.SOLUTION: The dialogue system is provided with: a dialogue management device equipped with first communication means for receiving/delivering data and dialogue management means for generating a dialogue space and relaying dialogues; a shared information space management device equipped with second communication means for receiving/delivering data and shared information space management means for uniformly managing a state of dialogue as user trend information and distributing a change in user trend information to all user terminals; and a user terminal equipped with third communication means for receiving/delivering data and user information space management means for controlling dialogue processing by the dialogue management device, determining whether or not to notify user trend information about other users on the basis of the user trend information distributed by the shared information space management device, and giving notification by another notification user information interface different from a user interface of the system.

Description

  The present invention relates to a technique for performing dialogue (communication) using a network.

  There is known an interactive system such as a chat system in which a plurality of clients are connected to each other via a network to a server that manages a shared information space.

  In this type of interactive system, the presence function allows users registered in the system to be online or offline at the present time, and when they are online, they are temporarily out of the office due to the user's declaration. In many cases, it is possible to display the status of the user to other users.

  In Patent Literature 1, game space position information is provided for each game for the purpose of providing an online complex service capable of interacting with a player receiving a service other than a game on the online game space. Management is performed using terminal identification information, and identification information for specifying other players to be notified when a dialog request is made in the game space is received, a dialog request is made to the dialog destination game terminal, and the dialog source game terminal A configuration for notifying the identification information is disclosed.

  As described above, the conventional dialog system has a function of displaying the status of another user or notifying a player who is receiving other services of a dialog request. was there.

  First, the status of the other user to be displayed is limited to the status of the individual user such as online / offline or temporarily leaving / taking in. Therefore, it is useful for confirming that the other user is able to respond to an indispensable dialogue, but since there is no clue to know the state beyond what is displayed, the purpose such as talking with a light feeling There was a problem that rough conversations that did not have were difficult to occur.

  In general, a dialogue system is designed assuming a dialogue with a purpose, and is not suitable for a rough conversation that has no intrinsic purpose. In this regard, in a real environment, the intimacy between members of business projects is often related to the pace of work, and casual conversation is also valuable, but conventional dialogue systems are It did not meet such needs.

  In addition, since the user's status such as temporarily leaving or taking in is determined by the person's declaration, it is often left as it is once set, so the actual status is not reflected and the accuracy is poor There was also a problem. For this reason, there is a problem that although the state is temporarily absent or being taken in, the conversation is refrained, but the response is actually possible. In this regard, rough conversations that have no purpose will be even more deflated.

  On the other hand, since the conversation request is transmitted even if the other user is receiving other services, it is possible to respond even if they are immersed in other work, but it merely gives the opportunity to respond by communicating the conversation request. It does not promote a rough conversation with no purpose.

  The present invention has been proposed in view of the above-described conventional problems, and the purpose of the present invention is to provide a rough conversation with no purpose by the system presenting user trends that are not conscious of each user. It is to increase accidental dialogue like this.

  In order to solve the above problems, in the present invention, the first communication means for transferring data to and from the network, and the dialog management for generating the dialog space and relaying from the start to the end of the dialog A communication management device comprising: means for communication; a second communication means for exchanging data with the network; and a state of user interaction information indicating that the dialog has been invited, during the dialog, and the end of the dialog as user trend information. A shared information space management device comprising a shared information space management means for centrally managing user trend information and distributing user trend information to all user terminals in the shared information space when the user trend information is changed; The third communication means for exchanging data with the network, the input / output means for inputting / outputting information to / from the user, and controlling the dialogue processing by the dialogue management device, Based on the user trend information distributed from the shared information space management device, it is determined whether to notify the user trend information of other users. The gist of the present invention is a dialog system including a user terminal provided with a user information space management means for performing notification using a different separate notification user interface.

  In the interactive system of the present invention, the system presents user trends that are not conscious of each user, thereby increasing the chance of an accidental conversation such as a rough conversation having no purpose.

It is a figure which shows the structural example of the dialogue system concerning one Embodiment of this invention. It is a figure which shows the example of a shared information space management table. It is a figure which shows the example of a dialogue space management table. It is a sequence diagram (the 1) which shows the process example of embodiment. It is a sequence diagram (the 2) which shows the process example of embodiment. It is a sequence diagram (the 3) which shows the process example of embodiment. It is a flowchart which shows the example of a process of UI update. It is a figure which shows the example of a display of notification UI separately. It is a flowchart which shows the example of a process of judgment whether separate notification UI is required. It is FIG. (1) which shows the example of the user's virtual position in shared information space. It is FIG. (2) which shows the example of the user's virtual position in shared information space. It is FIG. (3) which shows the example of the user's virtual position in shared information space. It is FIG. (4) which shows the example of the user's virtual position in shared information space. It is FIG. (5) which shows the example of the user's virtual position in shared information space.

  Hereinafter, preferred embodiments of the present invention will be described.

<Configuration>
FIG. 1 is a diagram showing a configuration example of an interactive system according to an embodiment of the present invention.

  1, the dialog system is configured by connecting a dialog management device 1, a shared information space management device 2, and a plurality of user terminals 4A, 4B, 4C,... To a communication network (network) 3. The users A, B, C,... Of the user terminals 4A, 4B, 4C,.

  The dialogue management apparatus 1 has a function of realizing a dialogue space such as a chat room and managing dialogue processing between user terminals (4A, 4B, 4C,...).

  The dialogue management apparatus 1 includes a communication unit 11 that exchanges data with the communication network 3, a dialogue management unit 12 that relays data from the start of dialogue to the end of dialogue, and a storage unit 13 that holds dialogue requests and dialogue contents. And.

  The shared information space management device 2 is a shared information space that indicates a conversation status and a movement status in a shared information space between all user terminals (4A, 4B, 4C,...) On one or a plurality of shared information spaces. A process for managing the management information and distributing the shared information space management information to the user terminals (4A, 4B, 4C,...) When the shared information space management information is updated, and for using the dialog management apparatus 1 It has a function of providing a UI (User Interface). The shared information space management device 2 can also be configured integrally with the dialogue management device 1.

  The shared information space management device 2 includes a communication unit 21 that exchanges data with the communication network 3, a shared information space management unit 22 that manages, distributes, and provides a UI for shared information space management information, and shared information. And a storage unit 23 that holds space management information.

  The user terminals 4A, 4B, 4C,... Are information processing apparatuses such as PCs (Personal Computers), smartphones, and mobile phones operated by the user.

  The user terminals 4A, 4B, 4C,... Are a communication unit 41 that exchanges data with the communication network 3, and shared information space management information received from the shared information space management device 2 (the user A user information space management unit 42 that obtains (shared information space management information of a shared information space to which the terminal belongs) and makes an output determination to the user, and the shared information space management information received from the shared information space management device 2 A storage unit 43 that holds information, input of dialogue request / response / dialog content from the user, presentation of dialogue request / response / dialog content to the user, presentation of user trends in the shared information space to which the user terminal belongs, etc. An input / output unit 44 is provided.

  FIG. 2 is a diagram showing an example of a shared information space management table held in the storage unit 23 of the shared information space management device 2 and the storage units 43 of the user terminals 4A, 4B, 4C,. The storage unit 23 of the shared information space management device 2 holds information about all shared information spaces, but the storage unit 43 of the user terminals 4A, 4B, 4C,. Only hold information about the space. When receiving the distribution of the shared information space management information from the shared information space management device 2, the user terminals 4A, 4B, 4C,... Update the shared information space management table.

  In FIG. 2, “shared information space name”, “user terminal ID”, and “dialog space ID” are associated with each other in the shared information space management table. The “shared information space name” is information for identifying the shared information space. “User terminal ID” is information for identifying a user terminal (4A, 4B, 4C,...) And a user belonging to the shared information space specified by the shared information space name. The “dialog space ID” is information for identifying a dialog space such as a chat room created in the shared information space specified by the shared information space name.

  FIG. 3 is a diagram showing an example of a dialogue space management table held in the storage unit 23 of the shared information space management device 2 and the storage units 43 of the user terminals 4A, 4B, 4C,. The storage unit 23 of the shared information space management device 2 holds information about all shared information spaces, but the storage unit 43 of the user terminals 4A, 4B, 4C,. Only hold information about the space. When the user terminals 4A, 4B, 4C,... Receive the shared information space management information from the shared information space management device 2, the user terminals 4A, 4B, 4C,.

  In FIG. 3, “dialog space ID”, “caller user terminal ID”, “callee user terminal ID”, and “state” are associated with each other in the dialog space management table. The “dialog space ID” is information for identifying the dialog space. The “caller user terminal ID” is information for identifying the user terminal (4A, 4B, 4C,...) On the side that creates the dialog space (dialog caller). “Called user terminal ID” is information for identifying the called user terminal (4A, 4B, 4C,...). The “state” is information indicating the state of the dialogue, and includes “inviting”, “in dialogue”, and “reserving”. “Inviting” indicates a state in which a conversation is invited when the other party is in a conversation or is not in the invitation. “Interactive” indicates a state in which an interactive operation is being performed. “Reserving” indicates a state in which a conversation is reserved when the other party is in a conversation or an invitation. If it is neither “inviting”, “interactive”, or “reserving”, “interactive end” is indicated.

<Operation>
FIG. 4 is a sequence diagram illustrating a processing example of the above-described embodiment, and is a processing example relating to the start of the dialogue.

  In FIG. 4, when the user A of the user terminal 4A invites the user B of the user terminal 4B to the dialog, the user A first requests the dialog management device 1 to generate a dialog space from the user terminal 4A (step S101). ).

  The dialog management device 1 generates a dialog space a and returns it to the user terminal 4A (step S102).

  The user terminal 4A notifies the shared information space management device 2 that the user B is invited to the conversation space a (step S103).

  Upon receiving the notification, the shared information space management device 2 updates the shared information space management information (the shared information space management table (FIG. 2) and the dialogue space management table (FIG. 3)) (step S104), and in the corresponding shared information space The shared information space management information is distributed to all the user terminals 4A, 4B, 4C,... (Steps S105, S108, S111).

  The user terminals 4A, 4B, 4C,... Update the UI based on the distributed shared information space management information (steps S106, S109, S112), and the local shared information space management information (shared information space management). Table and dialog space management table) are updated (steps S107, S110, S113).

  For example, the fact that the user B of the user terminal 4B is called on the system UI is output to the user terminal 4A. The user terminal 4B outputs a dialogue response permission UI to the system UI and a separate notification UI indicating that the user A of the user terminal 4A has moved in the shared information space for dialogue. On the other hand, in the user terminal 4C belonging to the same shared information space as the user terminals 4A and 4B, a separate UI indicating that the user A of the user terminal 4A has moved in the shared information space for dialogue is output. . Since the user A of the user terminal 4A has moved, a separate notification UI indicating that the user A of the user terminal 4A has moved in the shared information space for dialogue is not output.

  At this time, when the user C of the user terminal 4C separately performs an action (clicking on a video, etc.) in response to the notification by the UI (step S114), the user terminal 4C requests the dialog management device 1 to generate a dialog space. (Step S115).

  The dialogue management apparatus 1 generates a dialogue space b and returns it to the user terminal 4C (step S116).

  The user terminal 4C notifies the shared information space management device 2 that the user A is reserved for dialogue in the dialogue space b (step S117).

  The shared information space management device 2 that has received the notification updates the shared information space management information (shared information space management table and dialogue space management table) (step S118), and all the user terminals 4A in the corresponding shared information space, The shared information space management information is distributed to 4B, 4C,... (Steps S119, S122, and S125).

  The user terminals 4A, 4B, 4C,... Update the UI based on the distributed shared information space management information (steps S120, S123, S126), and the local shared information space management information (shared information space management). Table and dialogue space management table) (steps S121, S124, S127).

  For example, the user terminal 4A outputs a dialog reservation permission / inhibition UI to the system UI, and also outputs a separate notification UI indicating that the user C of the user terminal 4C has moved in the shared information space for dialog reservation. . On the other hand, a separate notification UI indicating that the user C of the user terminal 4C has moved in the shared information space for dialog reservation is also output to the user terminal 4B. The UI calling the user A of the user terminal 4A on the system UI is output to the user terminal 4C. Since it is the user C of the user terminal 4C that has moved, a separate notification UI indicating that the user C of the user terminal 4C has moved in the shared information space for dialog reservation is not output.

  FIG. 5 is a sequence diagram showing another processing example of the above embodiment, and is a processing example related to the end of the dialogue.

  In FIG. 5, when the user A of the user terminal 4 </ b> A and the user B of the user terminal 4 </ b> B end the dialogue, either or both of them notify the dialogue management device 1 and the shared information space management device 2 of the dialogue termination ( Steps S131 to S134). The dialog end notification to the dialog management apparatus 1 and the shared information space management apparatus 2 is performed in conjunction with each other, and each user's operation is only required once.

  The shared information space management device 2 deletes the conversation space a and updates the shared information space management information when the end notification is received from all of the caller and callee of the dialog space a (step S135). The shared information space management information is distributed to all user terminals 4A, 4B, 4C,... In the shared information space (steps S136, S139, and S142).

  The user terminals 4A, 4B, 4C,... Update the UI based on the distributed shared information space management information (steps S137, S140, S143), and perform local shared information space management information (shared information space management). Table and dialog space management table) (steps S138, S141, S144).

  For example, when the user A of the user terminal 4A does not have a conversation reservation, the user terminals 4B and 4C separately notify UI indicating that the user A of the user terminal 4A has moved in the shared information space to end the conversation. Is output. Since the user A of the user terminal 4A has moved, the separate notification UI indicating that the user A of the user terminal 4A has moved in the shared information space for the end of the conversation is not output. When the user A of the user terminal 4A has a dialog reservation, the user A does not move in the shared information space in order to respond to the dialog reservation, so a separate notification UI is output to any of the user terminals 4A, 4B, and 4C. Not.

  FIG. 6 is a sequence diagram illustrating another processing example of the above-described embodiment, and is a processing example related to movement of the shared information space.

  In FIG. 6, when the user A notifies the shared information space management device 2 from the user terminal 4A of the movement from the shared information space X to the shared information space Y (step S151), the shared information space management device 2 The management information (shared information space management table and dialogue space management table) is updated (step S152), and all user terminals 4A, 4B, 4C in the corresponding shared information space (source and destination shared information spaces) are updated. The shared information space management information is distributed to... (Steps S153, S156, S159).

  The user terminals 4A, 4B, 4C,... Update the UI based on the distributed shared information space management information (steps S154, S157, S160), and the local shared information space management information (shared information space management). Table and dialog space management table) (steps S155, S158, S161).

  For example, a separate notification UI indicating that the user A of the user terminal 4A has moved through the shared information space is output to the user terminals 4B and 4C. If there is a user terminal belonging to the moved shared information space Y, a separate notification UI indicating that the user A has moved in the shared information space is also output there.

  Next, FIG. 7 shows a UI update process example in steps S106, S109, S112, S120, S123, S126 of FIG. 4, steps S137, S140, S143 of FIG. 5, and steps S154, S157, S160 of FIG. It is a flowchart, and is processing in each user terminal 4A, 4B, 4C,.

  7, each user terminal 4A, 4B, 4C,... Receives shared information space management information from the shared information space management device 2 and starts processing (step S201), and determines whether a separate notification UI is required. (Step S202). Details of the processing will be described later.

  If it is determined that a separate notification UI is necessary (Yes in step S202), a separate notification UI is presented (step S203).

  Thereafter, the application UI is updated (step S204) and the process is terminated (step S205), even when it is not determined that a separate notification UI is necessary (No in step S202).

  FIG. 8 is a diagram illustrating a display example of a separate notification UI.

  In FIG. 8, in the state where the other service screen 401 such as document creation or Web browsing is displayed, for example, a separate notification UI screen 402 is displayed for a predetermined time in a translucent manner, and an icon 403 such as a user's face is displayed thereon. Moves (moves from left to right in the figure). For example, when the user A notifies the user C that the user A has moved by creating a dialog space in preparation for the dialog with the user B, the icon 403 such as the face of the user A is displayed on the screen of the user C. Is moved and displayed. As a result, the user C can know that the user A has moved for the dialog, and the user C can make a dialog reservation by clicking the icon 403. Note that an audio file for identifying the user may be reproduced for a certain period of time instead of separately displaying the notification UI screen 402 or simultaneously with the display.

  FIG. 9 is a flowchart showing an example of processing for determining whether a separate notification UI is necessary (step S202 in FIG. 7).

Here, in order to narrow down the users who moved in the shared information space for dialogue or dialogue termination,
-Whether the number of users has increased or decreased (increase and decrease) in the shared information space to which the own terminal belongs-Whether the conversation space has increased in the shared information space to which the own terminal belongs-In the shared information space to which the own terminal belongs First, it is determined whether or not the conversation space has been reduced. If the conversation space has decreased in the shared information space to which the own terminal belongs, it is first determined whether or not the user to be notified has a conversation reservation. Here, the notification target user is the user who has increased or decreased when the user has increased or decreased, and the user who has generated the dialog space when the dialog space has increased or decreased.

In order to determine whether a separate notification UI is required,
-It is determined whether the user to be notified is himself (the user of the terminal).

  FIG. 10 is a diagram illustrating an example of the virtual position of the user in the shared information space. When the user A in the shared information space X moves to another shared information space Y (corresponding to step S151 in FIG. 6). Is shown. The user A moves to the shared information space Y because the user A is creating a dialogue space in the shared information space Y and is trying to talk with other users in the vicinity thereof. You can see that. In this case, the number of users decreases on the shared information space X side, and a separate notification UI indicating that the user A has moved to the users B and C other than the user A is output. If the number of users increases in the shared information space Y and another user exists in the shared information space Y, a separate notification UI is also output to that user.

  FIG. 11 shows a case where user A who has been in a fixed position (virtual seat position) in the shared information space X invites user B by generating a dialogue space (corresponding to step S103 in FIG. 4). . It can be considered that the user A has moved to the vicinity of the user B in order to interact with the user B. In this case, in the shared information space X, a separate notification UI indicating that the user A has moved to the users B and C other than the user A is output.

  FIG. 12 shows a case where the user C generates a dialog space and makes a dialog reservation with the user A when the users A and B are preparing a dialog or a dialog in the shared information space X (corresponding to step S117 in FIG. 4). Show. It can be considered that the user C has moved to the vicinity of the current position of the user A to interact with the user A. In this case, in the shared information space X, a separate notification UI indicating that the user C has moved to the users A and B other than the user C is output.

  FIG. 13 shows a case where the dialogue between the users A and B is completed in the shared information space X (corresponding to steps S133 and S134 in FIG. 5). It can be considered that the user A has moved from the position of the broken line to the fixed position of the solid line by the end of the dialogue. In this case, a separate notification UI indicating that the user A has moved to the users B and C other than the user A is output on the shared information space X side.

  FIG. 14 shows the case where the dialogue between the users A and B is completed in the shared information space X, but the user C has reserved the dialogue with the user A (steps S133 and S134 in FIG. 5 after step S117 in FIG. 4 is performed). Equivalent). Since the user A does not return to the fixed position indicated by the broken line in order to respond to the conversation reservation with the user C even when the conversation ends, it can be considered that the user A does not move because the user A remains in the vicinity of the current position.

  Returning to FIG. 9, the process of determining whether a separate notification UI is necessary (step S202 in FIG. 7) will be described.

  In FIG. 9, when the process is started upon receiving the distribution of the shared information space management information from the shared information space management device 2 (step S211), each user terminal 4A, 4B, 4C,. Compared with the user terminal ID column of the space management table, it is confirmed whether the number of user terminals, that is, users, has increased or decreased (step S212).

  When the number of users is increased or decreased (Yes in step S212), when the increased or decreased user terminals are targeted for notification and the notification target is not yourself (No in step S213), it is determined that a separate notification UI is required (step S214). . When the notification target is oneself (Yes in step S213), it is determined that it is not necessary to present a separate notification UI (step S215).

  If the number of users has not increased or decreased (No in step S212), it is confirmed whether the dialogue space has increased (step S216).

  When the dialogue space is increasing (Yes in step S216), the caller of the dialogue space increased from the dialogue space management table is referred to as a notification target, and when the notification target is not oneself (No in step S213), a separate notification is made. It is determined that the UI needs to be presented (step S214). If the notification target is itself (Yes in step S213), it is determined that it is not necessary to present the notification UI separately (step S215).

  If the dialogue space has not increased (No in step S216), it is subsequently confirmed whether the dialogue space has decreased (step S217).

  When the dialog space is decreasing (Yes in step S217), the caller of the dialog space that has decreased from the dialog space management table is referred to as a notification target, and the notification target is the call destination in the dialog space management table. Confirming whether or not there is a dialog reservation in the notification target (step S218).

  When there is no dialog reservation for the notification target (No in step S218), when the notification target is not yourself (No in step S213), it is determined that a separate notification UI needs to be presented (step S214), and the notification target is yourself (Yes in step S213) determines that it is not necessary to separately present the notification UI (step S215).

  If there is a dialogue reservation for the notification target (Yes in step S218), it is determined that a separate notification UI is not required (step S215).

  If the dialogue space has not decreased (No in step S217), it is determined that it is not necessary to present a separate notification UI (step S215).

<Summary>
As described above, the present embodiment has the following advantages.

  (1) Since the system presents user trends that each user is not aware of, accidental conversations such as rough conversations that have no purpose can be increased.

  (2) When the system is used by a large number of people by having a conversation only between users existing in the same shared information space and notifying only about user trends of other users in the same shared information space Moreover, since the user trend notification target can be limited, the user trend can be notified at a frequency with less burden on the user.

  (3) By accepting user actions in response to user trend notifications and starting preparations for dialogue with other users who are subject to notification of user trend information, there is no need to perform a separate dialogue start operation. Can start.

  (4) By receiving the dialog summary when the other user of the dialog cannot respond immediately, it is possible to reliably communicate even when the other party cannot respond.

  (5) By displaying a video that makes it possible to identify user trend information of other users, even if the user is performing work other than the dialog system, the trend of other users in the shared information space is automatically notified. It is possible to increase the chances of having a conversation with interest in other users.

  (6) By generating a voice that can identify user trend information of other users, it is possible to know the trends of other users without stopping the work.

  (7) By displaying a moving image that can identify user trend information of other users and generating sound, it is possible to understand the trend of other users by voice and video, and to pay attention to the trend of other users even during work. Becomes easier.

  The present invention has been described above by the preferred embodiments of the present invention. While the invention has been described with reference to specific embodiments, various modifications and changes may be made to the embodiments without departing from the broad spirit and scope of the invention as defined in the claims. Obviously you can. In other words, the present invention should not be construed as being limited by the details of the specific examples and the accompanying drawings.

DESCRIPTION OF SYMBOLS 1 Dialogue management apparatus 11 Communication part 12 Dialogue management part 13 Storage part 2 Shared information space management apparatus 21 Communication part 22 Shared information space management part 23 Storage part 3 Communication network 4A-4C User terminal 41 Communication part 42 User information space management Unit 43 Storage unit 44 Input / output unit

JP 2001-273255 A

Claims (11)

A dialog management device comprising: a first communication unit that exchanges data with a network; and a dialog management unit that generates a dialog space and relays from the start to the end of the dialog;
The second communication means for exchanging data with the network, and the user trend information in the shared information space are centrally managed by using the user trend information during dialog invitation, during dialog, and dialog end, A shared information space management device comprising shared information space management means for delivering user trend information to all user terminals in the shared information space when there is a change in the trend information;
The third communication means for exchanging data with the network, the input / output means for inputting / outputting information to / from the user, the dialog processing by the dialog management apparatus, and the shared information space management Based on the user trend information distributed from the device, it is determined whether or not to notify the user trend information of other users, and when it is determined that the notification is to be performed, a separate notification user different from the system user interface by the input / output means A dialogue system comprising: a user terminal comprising user information space management means for performing notification by an interface. The dialogue system according to claim 1,
The shared information space management unit is configured to perform a dialogue only between users existing in the same shared information space, and notify only about user trend information of other users on the same shared information space. Dialog system. In the dialogue system according to claim 1 or 2,
The shared information space management means accepts a user action to the separate notification user interface when notifying the user trend information of another user by the separate notification user interface, and is a notification target of the user trend information A dialogue system characterized by starting preparation for dialogue with a user. The dialogue system according to any one of claims 1 to 3,
The shared information space management means accepts a dialog summary when the other user of the dialog cannot respond immediately. The dialogue system according to any one of claims 1 to 4,
The shared information space management means displays a moving image that allows the user trend information of another user to be identified by the separately notified user interface. The dialogue system according to any one of claims 1 to 4,
The shared information space management means generates a voice that makes it possible to identify user trend information of other users by the separate notification user interface. The dialogue system according to any one of claims 1 to 4,
The dialogue system characterized in that the shared information space management means generates a sound and displays a moving image that can identify user trend information of another user by the separate notification user interface. A communication means for transferring data to and from the network;
The user's trend information is centrally managed in the shared information space using the user's trend information during dialogue invitation, during dialogue, and the dialog end status, and all users in the shared information space when the user trend information changes A shared information space management device comprising shared information space management means for distributing user trend information to a terminal. A communication means for transferring data to and from the network;
Input / output means for inputting / outputting information to / from the user;
The dialogue management device on the network performs dialogue processing, and notifies the user trend information of other users on the same shared information space based on the user trend information distributed from the shared information space management device on the network. A user terminal comprising: a user information space management means for notifying by a user interface different from the user interface of the system by the input / output means when it is determined that notification is to be made. Computer
A communication means for transferring data to and from the network;
The user's trend information is centrally managed in the shared information space using the user's trend information during dialogue invitation, during dialogue, and the dialog end status, and all users in the shared information space when the user trend information changes A shared information space management program that functions as a shared information space management means for distributing user trend information to a terminal. Computer
A communication means for transferring data to and from the network;
Input / output means for inputting / outputting information to / from the user;
The dialogue management device on the network performs dialogue processing, and notifies the user trend information of other users on the same shared information space based on the user trend information distributed from the shared information space management device on the network. A user terminal management program that functions as user information space management means for performing notification by means of the user interface different from the user interface of the system by the input / output means when it is determined that notification is to be made

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