id author title date pages extension mime words sentence flesch summary cache txt sf268338x2q Nathan James Regola Flockfs: A Moderated Collaboration System for Weakly Connected Workgroups 2009 .txt text/plain 362 18 47 Simultaneous modifications of the same file can either be addressed by requiring all other users to wait for updates to be completed or by using optimistic protocols that allow each user to independently operate on the various components of the project without cooperation with other group members. My prototype exhibits acceptable file system performance and update propagation latency. cache/sf268338x2q.txt txt/sf268338x2q.txt