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» Describing Groups
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CANDC
2007
ACM
14 years 15 days ago
Group creativity in virtual math teams: interactional mechanisms for referencing, remembering and bridging
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...
Johann W. Sarmiento, Gerry Stahl
GRID
2006
Springer
13 years 8 months ago
Cacheable Decentralized Groups for Grid Resource Access Control
Abstract-- Sharing data among collaborators in widely distributed systems remains a challenge due to limitations with existing methods for defining groups across administrative dom...
Jeffrey Hemmes, Douglas Thain
SIGPRO
2008
113views more  SIGPRO 2008»
13 years 8 months ago
Design of maximally flat IIR filters with flat group delay responses
Digital filters with linear phase responses, that is, constant group delay responses are needed in many applications for signal and image processing. In this paper, a novel method...
Xi Zhang
PUC
2008
87views more  PUC 2008»
13 years 8 months ago
Multimodal support to group dynamics
The complexity of group dynamics occurring in small group interactions often hinders the performance of teams. The availability of rich multimodal information about what is going o...
Fabio Pianesi, Massimo Zancanaro, Elena Not, Chiar...
PERCOM
2006
ACM
14 years 8 months ago
Multi-channel Protocols for Group Key Agreement in Arbitrary Topologies
We consider group key agreement (GKA) protocols, used by a group of peers to establish a shared secret key for multicast communications. There has been much previous work to impro...
Ford-Long Wong, Frank Stajano