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188
Voted
CRIWG
2004
15 years 8 months ago
2004
Collaborative distance learning involves a variety of elements and factors that have to be considered and measured in order to analyse and assess group and individual performance m...
179
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IJBC
2006
15 years 6 months ago
2006
In recent years, a large amount of work on chaos-based cryptosystems have been published. However many of the proposed schemes fail to explain or do not possess a number of featur...
192
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IIE
2008
15 years 6 months ago
2008
Abstract. An exploratory study of students' engagement in online learning and knowledge building is presented in this paper. Learning in an online community, composed of stude...
211
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ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Nonnegative matrix tri-factorization (NMTF) is a 3-factor decomposition of a nonnegative data matrix, X USV , where factor matrices, U, S, and V , are restricted to be nonnegativ...
206
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CIVR
2004
Springer
15 years 10 months ago
2004
Springer
Earlier this year, a major effort was initiated to study the theoretical and empirical aspects of the automatic detection of semantic concepts in broadcast video, complementing ong...