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» Evaluation of Mixed-Space Collaboration
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COLCOM
2007
IEEE
16 years 15 days ago
Countering feedback sparsity and manipulation in reputation systems
—Reputation systems provide a promising way for building trust through social control in collaborative communities by harnessing the community knowledge in the form of feedback. ...
Li Xiong, Ling Liu, Mustaque Ahamad
GLOBECOM
2007
IEEE
16 years 15 days ago
Cooperative Space-Time Coded Transmissions in Nakagami-m Fading Channels
— In this paper we evaluate outage performance of a cooperative transmission protocol over fading channels that requires a number of relaying nodes to employ a distributed space-...
Stefano Savazzi, Umberto Spagnolini
IPPS
2005
IEEE
15 years 11 months ago
GHS: A Performance System of Grid Computing
Conventional performance evaluation mechanisms focus on dedicated distributed systems. Grid computing infrastructure, on another hand, is a shared collaborative environment constr...
Xian-He Sun, Ming Wu
HICSS
2002
IEEE
155views Biometrics» more  HICSS 2002»
15 years 11 months ago
Towards Knowledge-Sharing and Learning in Virtual Professional Communities
This paper describes a program of research designed to understand how knowledge-sharing and learning can be supported in virtual communities. To conduct this research, we propose ...
Michael Bieber, Il Im, Ronald E. Rice, Ricki Goldm...
INFOVIS
2000
IEEE
15 years 10 months ago
Interactive Problem Solving via Algorithm Visualization
COMIND is a tool for conceptual design of industrial products. It helps designers define and evaluate the initial design space by using search algorithms to generate sets of feasi...
Pearl Pu, Denis Lalanne