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» An Information Model of Virtual Collaboration
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AMM
2011
118views more  AMM 2011»
15 years 1 months ago
From Community Detection to Mentor Selection in Rating-Free Collaborative Filtering
—The number of resources or items that users can now access when navigating on the Web or using e-services, is so huge that these might feel lost due to the presence of too much ...
Armelle Brun, Sylvain Castagnos, Anne Boyer
WECWIS
2005
IEEE
137views ECommerce» more  WECWIS 2005»
15 years 12 months ago
Using Singular Value Decomposition Approximation for Collaborative Filtering
Singular Value Decomposition (SVD), together with the Expectation-Maximization (EM) procedure, can be used to find a low-dimension model that maximizes the loglikelihood of obser...
Sheng Zhang, Weihong Wang, James Ford, Fillia Make...
ICWL
2005
Springer
15 years 12 months ago
Grounding Collaborative Knowledge Building in Semantics-Based Critiquing
In this paper we investigate the use of Latent Semantic Analysis (LSA), Critiquing Systems, and Knowledge Building to support computerbased teaching of English composition. We have...
Anders I. Mørch, William K. Cheung, Kelvin ...
PDC
2004
ACM
15 years 11 months ago
Social creativity: turning barriers into opportunities for collaborative design
Design is a ubiquitous activity. The complexity of design problems requires communities rather than individuals to address, frame, and solve them. These design communities have to...
Gerhard Fischer
GIS
1995
ACM
15 years 10 months ago
Collaborative Spatial Decision Making with Qualitative Constraints
: Usually spatial planning problems involve a large number of decision makers with different backgrounds and interests. The process of Collaborative Spatial Decision Making (CSDM)...
Nikos I. Karacapilidis, Dimitris Papadias, Max J. ...