This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
This paper is concerned with the question of how activity mediated by shared representations–notations that are manipulated by more than one person during a collaborative taskâ€...
— The semantics of neural networks can be analyzed mathematically as a distributed system of knowledge and as systems of possible worlds expressed in the knowledge. Learning in a...
Widespread access to the Internet has led to the formation of geographically dispersed scientific communities collaborating through the network. The tools supporting such collabor...
This paper takes one step towards addressing the question of how activity mediated by shared representations--notations that are manipulated by more than one person during a collab...