5221 search results - page 824 / 1045 » An On-line Problem Database |
263
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
We discover communities from social network data, and analyze the community evolution. These communities are inherent characteristics of human interaction in online social network...
170
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
199
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Customer preferences for products are drifting over time. Product perception and popularity are constantly changing as new selection emerges. Similarly, customer inclinations are ...
185
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
All Netflix Prize algorithms proposed so far are prohibitively costly for large-scale production systems. In this paper, we describe an efficient dataflow implementation of a coll...
162
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
Kernel methods have been applied successfully in many data mining tasks. Subspace kernel learning was recently proposed to discover an effective low-dimensional subspace of a kern...