1369 search results - page 212 / 274 » An Application Framework for Collaborative Learning |
GROUP
2009
ACM
14 years 7 months ago
2009
ACM
"Open contribution systems" (OCS) are online applications that encourage users to contribute and share content in a "public" and open manner. While these syste...
AISS
2010
14 years 7 months ago
2010
In recent years, e-government interoperability frameworks (e-GIFs) and enterprise architectures (EAs) have been extensively developed as mechanism tools for achieving the interope...
KDD
2007
ACM
15 years 10 months ago
2007
ACM
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
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SIGIR
2011
ACM
14 years 18 days ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
NDSS
2006
IEEE
15 years 3 months ago
2006
IEEE
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...