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of a hyperbase management system.” EP-ODD6(2).
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supported collaborative writing. Computer Supported Collaborative Writing.M. Shar-
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89. Slein, J. A., F. Vitali, et al. (1998). Requirements for Distributed Authoring and
Versioning Protocol for the World Wide Web, IETF.
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collaboration and problem solving in meetings.” Communications of the ACM30(1):
32-47.
91. Suleiman, M., M. Cart, et al. (1997).Serialization of Concurrent Operations in a Dis-
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