Computer networks
Concurrency control in groupware systems
SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data
Groupware: some issues and experiences
Communications of the ACM
Transparency and awareness in a real-time groupware system
UIST '92 Proceedings of the 5th annual ACM symposium on User interface software and technology
Essential client/server survival guide
Essential client/server survival guide
DistView: support for building efficient collaborative applications using replicated objects
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
Real time groupware as a distributed system: concurrency control and its effect on the interface
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
Building real-time groupware with GroupKit, a groupware toolkit
ACM Transactions on Computer-Human Interaction (TOCHI)
Corona: a communication service for scalable, reliable group collaboration systems
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
A concurrency control framework for collaborative systems
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
An integrating, transformation-oriented approach to concurrency control and undo in group editors
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
COBRA fundamentals and programming
COBRA fundamentals and programming
ACM Transactions on Computer-Human Interaction (TOCHI)
Instant CORBA
Group-authoring in CONCORD A DB-based approach
SAC '97 Proceedings of the 1997 ACM symposium on Applied computing
Transaction Processing: Concepts and Techniques
Transaction Processing: Concepts and Techniques
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
JPMQ - An Advanced Persistent Message Queuing Service
BNCOD 16 Proceedings of the 16th British National Conferenc on Databases: Advances in Databases
Collision of Constrained Work Spaces: A Unifying Concept for Design Interactions
COOPIS '97 Proceedings of the Second IFCIS International Conference on Cooperative Information Systems
Enabling Cooperation among Disconnected Mobile Users
COOPIS '97 Proceedings of the Second IFCIS International Conference on Cooperative Information Systems
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Collaboration in cooperative information systems, like concurrent design and engineering, exploits common work and information spaces. In this paper we introduce the TOGA service (Transaction-Oriented Group and Coordination Service for Data-Centric Applications), which offers group management facilities and a push model for change propagation w.r.t. shared data, thus allowing for group awareness. Through TOGA's customizability and its layered architecture the service can be adapted to a variety of different collaboration scenarios. Multiple communication protocols (CORBA, UDP/IP, TCP/IP) are supported as well as basic transaction properties. Our approach enables the evolution of a set of separate applications to form a cooperative information system, i.e., it provides a technique towards component-oriented system engineering. In this paper we report on design issues, implementation aspects, and first experiences gained with the TOGA prototype.