WYSIWIS revised: early experiences with multiuser interfaces
ACM Transactions on Information Systems (TOIS)
Sharing views and interactions with single-user applications
COCS '90 Proceedings of the ACM SIGOIS and IEEE CS TC-OA conference on Office information systems
The abstraction-link-view paradigm: using constraints to connect user interfaces to applications
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A collaborative medium for the support of conversational props
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
Separations of concerns in the Chiron-1 user interface development and management system
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Human and technical factors of distributed group drawing tools
Interacting with Computers
Interfaces, protocols, and the semi-automatic construction of software adaptors
OOPSLA '94 Proceedings of the ninth annual conference on Object-oriented programming systems, language, and applications
The use of adapters to support cooperative sharing
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
A component- and message-based architectural style for GUI software
Proceedings of the 17th international conference on Software engineering
Formalizing architectural connection
ICSE '94 Proceedings of the 16th international conference on Software engineering
Generations of User-Interface Management Systems
IEEE Software
CSDL: A Language for Cooperative Systems Design
IEEE Transactions on Software Engineering
Proceedings of the IFIP WG6.1 Second International Workshop on Protocol Specification, Testing and Verification
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Layered interactive systems lend themselves to be adapted for cooperation if inter-layer communication is charged to separated connectors. Point-to-point connectors can be replaced with cooperative connectors multiplexing and demultiplexing I/O between a particular layer and multiple instances of the next lower one. For this technique to be most effective, some general guidelines should be followed that support the design of good quality software where discrimination between heterogeneous functionality at the architectural level allows multiple interacting users to exploit different system features based on their role in the cooperation. This provides a sound basis for augmenting collaboration-transparent layered systems with powerful collaboration support (e.g. complex coordination policies) yet preserving separation of concerns between applicative and cooperative functionality. The paper discusses these issues both in general and with reference to their application within the CSDL framework for cooperative systems design.