In this paper we propose a method for grouping and summarizing large sets of association rules according to the items contained in each rule. We use hierarchical clustering to par...
In this paper, we present a qualitative case study of group creativity online in the domain of mathematics. We define creative work broadly, ranging from the micro-level coconstru...
Current e-learning environments do not provide sufficient support for group collaboration. The absence of the visual identification of the users makes effective collaboration in e...
Katherine G. Franceschi, Ronald M. Lee, David Hind...
This paper presents a formal design for a novel group communication service targeted for WANs. The service provides Virtual Synchrony semantics. Such semantics facilitate the desi...
We describe a novel scalable group membership algorithm designed for wide area networks WANs. Our membership service does not evolve from existing LAN-oriented membership servic...
Idit Keidar, Jeremy B. Sussman, Keith Marzullo, Da...