Real time groupware as a distributed system: Concurrency control and its effect on the interface

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Real time groupware as a distributed system: Concurrency control and its effect on the interface (1994)

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by Saul Greenberg , David Marwood

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176 - 9 self

BibTeX

@INPROCEEDINGS{Greenberg94realtime,
    author = {Saul Greenberg and David Marwood},
    title = {Real time groupware as a distributed system: Concurrency control and its effect on the interface},
    booktitle = {},
    year = {1994},
    pages = {207--217},
    publisher = {ACM Press}
}

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Abstract

This paper exposes the concurrency control problem in groupware when it is implemented as a distributed system. Traditional concurrency control methods cannot be applied directly to groupware because system interactions include 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 GROUPIUT, a groupware toolkit.

Keyphrases

distributed system concurrency control real time groupware system interaction different impact concurrency control problem groupware toolkit technical consideration particular concurrency control method group member concurrency scheme work-in-progress designing traditional concurrency control method

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