Clarence "Skip" Ellis (May 11, 1943, to May 17, 2014) was an American computer scientist and Emeritus Professor of Computer Science and Cognitive Science at the University of Colorado at Boulder, where he directed the Collaboration Technology Research Group. He was the first Black person to earn a PhD in computer science, in 1969, and the first Black person elected a Fellow of the ACM, in 1997. He was a pioneer in computer supported cooperative work and groupware, and with his team at Xerox PARC created OfficeTalk, one of the first groupware systems; he also pioneered operational transformation, a set of techniques enabling real time collaborative editing of documents.
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Source Operational transformation (Wikipedia)
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1. Wikidata: Clarence Ellis
- Wikidata Q5126509, resolved via en.wikipedia pageprops (wave rule R-L)
- Wikidata Q5126509 P569 (date of birth)
- In Group: Collaborative and Social Computing
View the SourceOperational transformation (Wikipedia)
Credited: Operational transformation, HistoryQuote, Credited: Operational transformation, History
Operational Transformation was pioneered by C. Ellis and S. Gibbs in the GROVE (GRoup Outline Viewing Edit) system in 1989.
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