We propose a novel structure, the data-sharing graph, for characterizing sharing patterns in large-scale data distribution systems. We analyze this structure in two such systems a...
The ways in which users appropriate uses of technology ? or invent new ones ? have attracted interest in CSCW-oriented research, but much less has been written on its cognitive fo...
Traditionally, Human-Computer Interaction (HCI) is a highly interdisciplinary field bridging the research between psychological research and computer science. This paper places gr...
We describe innovative new work in the development of an "animated architecture." Specifically, we describe our early research aimed at the creation of intelligent, prog...
Ian D. Walker, James C. Witte, Keith Evan Green, L...
Relation algebras provide abstract equational axioms for the calculus of binary relations. They name an established area of mathematics with various applications in computer scienc...