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PSYCHNOLOGY
2010
120views more  PSYCHNOLOGY 2010»
13 years 6 months ago
Exploring Self-Presence in Collaborative Virtual Teams
The concept of self-presence provides a framework for understanding how people connect to virtual self-representations on three distinct levels (body, emotions, and identity). The...
Rabindra Ratan, Béatrice S. Hasler
SPIRE
2009
Springer
14 years 2 months ago
Sketching Algorithms for Approximating Rank Correlations in Collaborative Filtering Systems
Collaborative filtering (CF) shares information between users to provide each with recommendations. Previous work suggests using sketching techniques to handle massive data sets i...
Yoram Bachrach, Ralf Herbrich, Ely Porat
CSCW
2006
ACM
14 years 1 months ago
Sandboxes: supporting social play through collaborative multimedia composition on mobile phones
Media sharing over mobile devices is quickly becoming a common practice, used to support a variety of social processes. Most existing systems employ a model of sharing that treats...
David Fono, Scott Counts
CISS
2008
IEEE
14 years 2 months ago
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
Peter Marbach
IR
2006
13 years 7 months ago
A study of mixture models for collaborative filtering
Collaborative filtering is a general technique for exploiting the preference patterns of a group of users to predict the utility of items for a particular user. Three different co...
Rong Jin, Luo Si, Chengxiang Zhai