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|Title:||REAL TIME GROUPWARE AS A DISTRIBUTED SYSTEM: CONCURRENCY CONTROL AND ITS EFFECT ON THE INTERFACE|
|Abstract:||This paper exposes the concurrency control problems that occur when groupware is implemented as a distributed system. Traditional concurrency control methods cannot be applied directly to groupware because system interactions includes people as well as computers. Methods, such as locking, serialization, and their degree of optimism, are shown to have quite different impacts on the interface and how operations are displayed and perceived by group members. The paper considers both human and technical considerations that designers should ponder before choosing a particular concurrency control method. It also reviews our work-in-progress designing and implementing a library of concurrency schemes in GroupKit, a groupware toolkit.|
|Appears in Collections:||Greenberg, Saul|
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