An integrating, transformation-oriented approach to concurrency control and undo in group editors

@inproceedings{Ressel1996AnIT,
  title={An integrating, transformation-oriented approach to concurrency control and undo in group editors},
  author={Matthias Ressel and Doris Nitsche-Ruhland and R. Gunzenh{\"a}user},
  booktitle={CSCW '96},
  year={1996}
}
Concurrency control and group undo are important issues in the design of groupware, especially for interactive group editors. We present an improved version of an existing distributed algorithm for concurrency control that is based on operation transformations. Since the usability of the algorithm relies on its formal correctness, we present a set of necessary and sufficient conditions to be satisfied in order to ensure consistency in a replicated architecture. We identify desirable properties… Expand
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