6 Synchronous Cooperation

Annotations:

• Characteristics: - time depedence - support of variable structures and access - support of multifarious situations during meetings - presentation of shared group context

1. WYSIWIS
   1. creation of shared context: group awareness
   2. consistent representation of shared information for all participants
   3. Strict: all participants have access to same context
   4. Softened: tolerance of acceptable deviations
2. Architecture
   1. Central Architecture

      Annotations:

      • central instance responsible for sequencing, ordering and filtering information for distribution
   2. decentralised architecture

      Annotations:

      • conference manager as connector is used
3. Collaborative Editors
   1. Participants have the shared goal to produce a document together

      Annotations:

      • authors are influencing each other. mechanism to produce group awareness
   2. workgroup computing
   3. Solution 1: Data Center (Microsoft SharePoint Service), Products (Google Wave)
   4. Solution 2: Genuine collaborative editors; Products(Gobby)

      Annotations:

      • simultaneous write access, different development status, centralized and decentralized solutions
   5. Solution 3: Web 2.0 Services. Products: EditGrid, Google Docs

      Annotations:

      • new internet technologies, local installation not necessary. 
4. Conference System

   Annotations:

   • provide an infrastructure which can be used for exchange of messages
   1. Communication
   2. Text based conference system: Instant Messaging
   3. Audio Conference Systems
   4. Video Conference System
5. Meeting Support System

   Annotations:

   • meant to support local groups. Technologies that enable conducting meetings and conferences with the support of computers
   1. Workgroup computing
   2. Support + Struturing of the course
   3. Structuring + support of the meeting task
   4. Chaffeur model

      Annotations:

      • Oral contribution of participants are managed by a single person (chaffeur)
   5. Computer supported model

      Annotations:

      • oral and eletronic contributions are moderated by chaffeur
   6. Interactive Model

      Annotations:

      • all contributions are transparent for each participant
6. Decision support system

   Annotations:

   • system supporting the effectiveness of decision process