Proceedings of the 2005 International ACM SIGGROUP Conference on Supporting Group Work - GROUP '05 2005 DOI: 10.1145/1099203.1099252 View full text
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Rui Li, Du Li

Abstract: Operational transformation (OT) is a responsive and nonblocking concurrency control method widely-accepted in group editors. Correctness and performance are the basis of usefulness and usability of OT-based group editors. However, the correctness of previous OT algorithms depends on conditions that are very difficult to verify. In this paper we propose a novel landmark-based transformation (LBT) approach, its correctness no longer depending on those conditions and thus easy to prove. In addition, we give an e…

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