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The Multi-version and Single-display Strategy in Undo Scheme
Shanghai, China September 21-September 23
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/CIT.2005.189Fifth International Conference on Com ...
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Jiangming Yang, Fudan University
Qiwei Zhang, Fudan University
Ning Gu, Fudan University
Genxing Yang, Shanghai key Laboratory, software testing and evaluating
Zhenyu Liu, Shanghai key Laboratory, software testing and evaluating

Consistency maintenance is one of the most significant challenges in groupware systems. In groupware systems, the effect of incorrect execution will be more extensive for it is done in distributed group editors, so the user will have more dependence on Undo. While intention violation puzzle has never been addressed in any published work, it will destroy the consistency and lead to a crash. We propose a Mark and Retracing based method to reach the goal of consistency maintenance and achieve Multi-version and Singledisplay strategy in undo scheme. It is different from operation transformation method and provides a new perspective into group editors.

Citation:
Jiangming Yang, Qiwei Zhang, Ning Gu, Genxing Yang, Zhenyu Liu, "The Multi-version and Single-display Strategy in Undo Scheme," cit, pp.290-296, Fifth International Conference on Computer and Information Technology (CIT'05), 2005
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