691 search results - page 119 / 139 » Online communities |
141
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ISI
2008
Springer
14 years 11 months ago
2008
Springer
A social network is defined as a social structure of individuals, who are related (directly or indirectly to each other) based on a common relation of interest, e.g. friendship, t...
JUCS
2008
14 years 11 months ago
2008
Abstract: Nowadays, more and more users make use of web-based collaborative systems. Users participate in communities or search for and provide information in webbased systems. The...
NCA
2008
IEEE
14 years 11 months ago
2008
IEEE
A common statistical model for paired comparisons is the Bradley-Terry model. This research re-parameterizes the Bradley-Terry model as a single-layer artificial neural network (A...
115
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JODL
2007
2007
Building rich, semantic descriptions of learning activities to facilitate reuse in digital libraries
14 years 11 months ago
Abstract This paper describes efforts to extend educational descriptions of learning objects to enable semantic search for suitable resources held within digital libraries and cybe...
SIGKDD
2000
14 years 11 months ago
2000
Advances in data collection and storage have allowed organizations to create massive, complex and heterogeneous databases, which have stymied traditional methods of data analysis....