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EP1221093A2 - Systeme et procede pour assister l'interaction de groupes (gia) dans des espaces d'information hypermedia - Google Patents

Systeme et procede pour assister l'interaction de groupes (gia) dans des espaces d'information hypermedia

Info

Publication number
EP1221093A2
EP1221093A2 EP00974285A EP00974285A EP1221093A2 EP 1221093 A2 EP1221093 A2 EP 1221093A2 EP 00974285 A EP00974285 A EP 00974285A EP 00974285 A EP00974285 A EP 00974285A EP 1221093 A2 EP1221093 A2 EP 1221093A2
Authority
EP
European Patent Office
Prior art keywords
client
gia
server
group interaction
applications
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00974285A
Other languages
German (de)
English (en)
Inventor
Peter Manhart
Heiko Ziegler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1221093A2 publication Critical patent/EP1221093A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827—Network arrangements for conference optimisation or adaptation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/327—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the session layer [OSI layer 5]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Definitions

  • the invention relates to a system and method for supporting the
  • GAA Group interaction
  • the Internet has become the standard network for distributed applications.
  • a major problem in the development of distributed, complex applications in special application contexts is the dependency of the system architecture and the
  • the Internet protocols in the context of the Word Wide Web (WWW) essentially support the representation, storage, distribution and display of hypermedia information in a cross-platform form.
  • the invention is based on the object of a system and a method which expand the existing hypermedia information systems for clients and servers, for example web-based information systems, by coordinated functions to support human interaction.
  • the invention is for the system by the characteristic features of
  • the GIA system is used in the following as a reference implementation, i.e. shown in a possible version of the GIA architecture.
  • the decisions for specific implementation variants, e.g. WWW as a hypermedia system or the version of the user interface shown do not necessarily result from the GIA architecture, but the currently most advantageous variants are selected in accordance with the prior art.
  • the GIA system has the advantage that hypermedia information systems are expanded to include coordinated functions to support human interaction across platforms and that a stable and network-transparent coupling of system components via Internet services is achieved.
  • the system modules are distributed on different computers in an Internet and in the computer in different process rooms.
  • the system blocks are linked via events. Both synchronous and asynchronous coupling are supported.
  • the asynchronous coupling of the blocks significantly increases the stability and flexibility of the overall system.
  • transmission is advantageously not restricted to a specific communication protocol, but rather any existing Internet protocols (sockets, RMI, NNTP, SMTP etc.) and new so-called distributed event system protocols Coupling used.
  • the GIA architecture supports the transparent, simultaneous use of several protocols (multiprotocol coupling). In addition, an automatic selection of adequate coupling protocols is provided (auto protocol selection).
  • the coupling protocols are independent of hardware and software platforms.
  • the GIA system according to the invention is shown below using the example of a website. The information and control processes of the WWW-based group interaction are explained in more detail as exemplary embodiments on the basis of activity diagrams with reference to schematic diagrams.
  • the GIA system architecture is shown in FIG.
  • Fig. 2 shows an activity diagram "registration”.
  • Fig. 4 shows an activity diagram "start of following”.
  • the present GIA system consists on the one hand of new types of CSCW (Computer Supported Cooperative Work) services, e.g. Service for user and group perception (awareness) and services to support cooperative navigation in the information space (cooperative navigation).
  • CSCW Computer Supported Cooperative Work
  • Five coordinated CSCW functions are currently implemented in the GIA system:
  • the web users can communicate with the other users of a page in the GIA system. If a user changes the page, his local chat group can also be changed automatically.
  • Location discussion forums An asynchronous discussion forum can be assigned to the locations. When entering the site, the user can activate the forum and add comments to the information or reply to existing comments. This also supports asynchronous human communication. Similar to the local chat, the forum can be adapted when changing pages.
  • Cooperative navigation Users can connect their browsers. In this way, individual instructions or interactive "guided tours" can be realized.
  • chat It is possible to set up chat groups that exist regardless of the changing locations of the users. So stable and location independent
  • the building blocks of the client / server architecture are divided into external applications and internal applications.
  • External applications are commercially available systems that can only be controlled via standard interfaces and whose user interface cannot be changed in general.
  • Internal applications are available in the source code and can therefore be better controlled.
  • their user interface can be adapted to the needs of the application environment.
  • the server 2 is divided into the GIA server 5 for internal applications and external server applications 4.
  • the GIA server 5 implements, via appropriate managers, all system functions that are necessary for the server, but which are not or only insufficiently covered by server-side CSCW (Computer Supported Cooperative Work) applications that are already commercially available.
  • Components of the GIA server are for example a GIA main manager, group manager, structure manager, notification manager and external application adapter 3b.
  • External applications include all applications that support GIA functions that can be covered by commercially available systems. These include the servers for Internet protocols, such as the EMAIL, NNTP, IRC and HTTP servers, as well as databases and the file system of the server operating system.
  • Client 1 is divided into GIA clients 6 for internal applications, GIA Internet protocol clients 8 and external client applications 7.
  • the GIA client 6 implements all system functions that are necessary for the internal applications, but are not or only insufficiently covered by client-side CSCW systems that are already commercially available.
  • Components of the GIA client 6 are, for example, a GIA main client, RMV (Room Map View) client, notification client and external application adapter 3c.
  • the GIA Internet protocol clients 8 implement client-side user interfaces for applications that consist of standardized Internet protocols.
  • EMAIL, NNTP and the IRC client belong to this category.
  • External client applications 7 include all applications to support the GIA functions that are covered by commercially available systems. These include, for example, WWW browsers.
  • connections between the blocks are the well-known Internet protocols, e.g. SMTP, POP, NNTP, IRC and HTTP and, on the other hand, a newly developed connection system for coupling GIA modules, a so-called distributed event system DES (Distributed Event System).
  • SMTP Session Transfer Protocol
  • POP POP
  • NNTP NTP
  • IRC Internet Protocol
  • HTTP HyperText Transfer Protocol
  • DES Distributed Event System
  • the GIA server modules 5 are server-side applications that are present in the source code and thus interact in a particularly coordinated manner.
  • the functions of the GIA Servers are implemented by managers who run within server programs.
  • the GIA main manager is of central importance in the GIA architecture. It manages a corresponding session data structure for each GIA client logged on to the system. If the communication with the managers takes place via a central point, then the main manager for the GIA clients is also the interface to all other managers and for all managers the interface to the GIA clients.
  • the GIA main manager offers other components session-specific events (registration, deregistration, change of location).
  • the group manager implements the GIA functions for user grouping. Users who interact in the structured information spaces are grouped by the group manager based on their interactions with the GIA system. The resulting user groups are managed dynamically by the group manager based on modifiable grouping metrics. Clients and other servers can query the groups and their members from the group manager.
  • the structure manager implements functions for structuring the information space. Different structured information sources (file system, databases etc.) are integrated via the assigned adapters 3b. The structure information is kept dynamic and can be queried by the clients and other servers.
  • the Notification Manager implements functions for reacting to changes in the information room or the GIA system itself. It accepts inquiries that contain descriptions of changes in the state of the information room and independently triggers notification events when changes occur.
  • External server applications 4 are not in the source code and therefore cannot be queried or controlled directly.
  • External server applications 4 are server-side applications that are commercially available and are integrated into the GIA system via adapter 3 a.
  • the adapter 3 a connect the external
  • the adapters couple the application-specific details of the interaction with external applications.
  • the NNTP adapter interacts with applications provided by the NNTP protocol and converts internal requests into NNTP requests and NNTP responses into internal results.
  • the EMAIL server manages asynchronous user-addressed electronic messages. Examples of implementations are servers that are based on the Internet protocols SMTP and POP.
  • the NNTP server manages asynchronous content-related hierarchies of electronic messages. The message hierarchies are in so-called
  • Discussion forums organized. The exchange of messages between client and server is based on the Internet protocol NNTP.
  • the IRC server manages synchronous electronic messages that are distributed via so-called channels based on the Internet protocol IRC.
  • the HTTP server manages hypermedia multimedia data. The data are e.g. represented in the HTML standard and are exchanged via the HTTP protocol.
  • the GIA client building blocks 6 are client-side applications that are available in the source code and can therefore work together in a particularly coordinated manner.
  • the main GIA client has two main functions. On the one hand, it represents the main connection to the GIA server and thus makes events of the server available to internal clients. On the other hand, he coordinates the CSCW services through interaction between the service-specific client modules and the adapters 3c, 3d.
  • the RMV client represents the position of a user in the information room on the basis of a room plan metaphor.
  • the current position is represented as a corridor, the information rooms that can be reached from the current point of view by rooms in the room plan that are accessible from the corridor.
  • the current position shows the user and all other users who are in the same information room. The same applies to the subspaces where the respective users present are visualized.
  • the notification client enables the user of the GIA system to be notified of changes in the information space. For example, when a new message arrives in a forum of the NNTP server, an email is sent to the user.
  • the following GIA Internet protocol clients 8 are used, for example, in the GIA system.
  • An EMAIL client for composing, sending and receiving user-addressed electronic messages and sending them based on existing Internet standards.
  • An NNTP client for composing, sending and receiving content-related electronic messages in the context of so-called discussion forums of NNTP servers.
  • the exchange of messages between client and server is based on the Internet protocol NNTP.
  • An IRC client for composing, sending and receiving synchronous electronic messages that are exchanged via so-called channels based on the Internet protocol IRC.
  • EMAIL, NNTP and IRC clients are available in the source code and can be accessed and queried directly by the GIA client.
  • the external client applications 7 are not in the source code and therefore cannot be queried or controlled directly.
  • the external client modules are client-side applications that are commercially available and integrated into the system via the 3d adapter.
  • the adapter 3d implements functions for control (actuator) and query (sensor) of external applications.
  • the adapter couples the application-specific details of the interaction with external applications.
  • the HTTP adapter interacts with browsers that represent the current section of the information space.
  • the actuator of the adapter initiates the loading of new pages by the GIA system and the sensor forwards page changes by the user to the GIA system.
  • the HTTP client allows the loading of hypermedia data via the HTTP protocol and the display of the HTML data on the client computer.
  • the blocks are linked via the distributed event system DES.
  • the processes in the system are shown below with activity diagrams. In these diagrams, activities are shown as rounded rectangles. The horizontal arrangement of these activities results from the "place” at which they take place (here the corresponding software components). The vertical arrangement reflects the chronological sequence. The activities are linked by arrows on which the relevant event class is noted.
  • the GIA client will ask for his user information.
  • the GIA client sends an event El (NewSessionEvent) to the GIA main manager.
  • event El NewSessionEvent
  • the GIA main manager creates a new session class.
  • Another event E2 (NewSessionConfirmationEvent) is then sent to the GIA client, indicating that the new session was successfully created.
  • this event also contains the session ID (identification) of the GIA client, which he must send to the session server for identification with every further request.
  • the group manager Since the group manager has registered for the creation of new sessions, he is also informed of this by means of another event E3 (SessionlnitiatedEvents). If the GIA client receives the NewSessionConfirmationEvent, the registration process is completed. It sets the user interface to active. After receiving the Session InitiatedEvent, the group manager enters the SessionData object transferred in it into its session table and into the corresponding group object. Now the group manager only has to send another event E4 (GroupChangeEvent) to the GIA client. Upon receipt of the GroupChangeEvent, the GIA client can update their location map and location chat.
  • E3 SessionlnitiatedEvents
  • Exemplary embodiment URL change (FIG. 3) If the GIA user loads a new page in the HTTP client, the GIA client registers this via the corresponding adapter. This triggers an event E5 (URLChangeEvent) within the main GIA client for which the main GIA manager has registered. Upon receipt of the URLChangeEvent by the GIA main manager, he updates the corresponding session object. Since the group manager has registered for changing URLs, it receives another event E6 (URLUpdateEvent). If the group manager receives a URLChangeEvent, it removes the corresponding SessionData object from the participant list of the abandoned group and enters it in the participant list of the new group. This triggers another event E7 (GroupChangeEvent), which is sent to the GIA client via the GIA main manager.
  • E5 URLChangeEvent
  • E6 URLUpdateEvent
  • the GIA client Upon receipt of the GroupChangeEvent, the GIA client can update their location map and location chat.
  • a "follow” client selects its “lead” client (client 2) and activates the follow mode (e.g. by selecting from a pop-up menu).
  • the GIA main manager responds to this StartFoUowingRequestEvent by adding the session object from client 1 to the "follow-up list" in the session object from client 2 and the "leadership reference" in the session object from client 1 sets client 2's session object. He also sends another event E9 (FollowingStatusEvent) to client 1 and client 2. Client 2 is informed about his new "following" by this FollowingStatusEvent.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • General Engineering & Computer Science (AREA)
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  • Entrepreneurship & Innovation (AREA)
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Abstract

L'invention concerne un système d'interaction de groupes (GIA) et un procédé avec lequel des systèmes d'information hypermédia peuvent être développés par addition de deux fonctions coordonnées pour l'assistance de l'interaction humaine, et un couplage stable et à transparence de réseau de modules de système est obtenu, par exemple, par l'intermédiaire de services Internet. Les modules de système sont répartis dans un ordinateur et/ou entre différents ordinateurs, dans un interréseau. Le couplage des modules de système se fait par l'intermédiaire d'événements. Grâce au couplage asynchrone des modules, la stabilité et la flexibilité du système entier sont sensiblement accrues.
EP00974285A 1999-09-11 2000-09-05 Systeme et procede pour assister l'interaction de groupes (gia) dans des espaces d'information hypermedia Withdrawn EP1221093A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19943453 1999-09-11
DE19943453A DE19943453A1 (de) 1999-09-11 1999-09-11 System und Verfahren zur Unterstützung der Gruppeninteraktion (GIA) in hypermedialen Informationsräumen
PCT/DE2000/003032 WO2001020450A2 (fr) 1999-09-11 2000-09-05 Systeme et procede pour assister l'interaction de groupes (gia) dans des espaces d'information hypermedia

Publications (1)

Publication Number Publication Date
EP1221093A2 true EP1221093A2 (fr) 2002-07-10

Family

ID=7921584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00974285A Withdrawn EP1221093A2 (fr) 1999-09-11 2000-09-05 Systeme et procede pour assister l'interaction de groupes (gia) dans des espaces d'information hypermedia

Country Status (3)

Country Link
EP (1) EP1221093A2 (fr)
DE (1) DE19943453A1 (fr)
WO (1) WO2001020450A2 (fr)

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US7493363B2 (en) 2001-09-19 2009-02-17 Microsoft Corporation Peer-to-peer group management and method for maintaining peer-to-peer graphs
US7234117B2 (en) 2002-08-28 2007-06-19 Microsoft Corporation System and method for shared integrated online social interaction
US7613812B2 (en) 2002-12-04 2009-11-03 Microsoft Corporation Peer-to-peer identity management interfaces and methods
US7596625B2 (en) 2003-01-27 2009-09-29 Microsoft Corporation Peer-to-peer grouping interfaces and methods
US7496648B2 (en) 2003-10-23 2009-02-24 Microsoft Corporation Managed peer name resolution protocol (PNRP) interfaces for peer to peer networking
US7567987B2 (en) 2003-10-24 2009-07-28 Microsoft Corporation File sharing in P2P group shared spaces
US8688803B2 (en) 2004-03-26 2014-04-01 Microsoft Corporation Method for efficient content distribution using a peer-to-peer networking infrastructure
US7620902B2 (en) 2005-04-20 2009-11-17 Microsoft Corporation Collaboration spaces
US7617281B2 (en) 2005-04-25 2009-11-10 Microsoft Corporation System and method for collaboration with serverless presence
US7752253B2 (en) 2005-04-25 2010-07-06 Microsoft Corporation Collaborative invitation system and method
US7660851B2 (en) 2005-07-06 2010-02-09 Microsoft Corporation Meetings near me
DE102005042141A1 (de) 2005-09-05 2007-03-15 Infineon Technologies Ag Konferenz-Kommunikationssystem, Verfahren zum Betreiben eines Konferenz-Kommunikationssystems, Notifizierungseinrichtung und Verfahren zum Notifizieren eines Kommunikationsendgeräts
US8069208B2 (en) 2006-04-21 2011-11-29 Microsoft Corporation Peer-to-peer buddy request and response

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JPH0981486A (ja) * 1994-11-17 1997-03-28 Texas Instr Inc <Ti> ソフトウェア・アプリケーション・プログラム間の共通の通信インターフェースを与えるオブジェクト指向型方法及び装置
AU3727097A (en) * 1996-07-25 1998-02-20 Tradewave Corporation Method and system for generalized protocol implementation on client/server communications connections
DE19717167A1 (de) * 1997-04-23 1998-10-29 Ibm Webbrowser-basiertes Konferenzsystem

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Also Published As

Publication number Publication date
WO2001020450A2 (fr) 2001-03-22
DE19943453A1 (de) 2001-03-15
WO2001020450A3 (fr) 2001-12-06

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