1949 search results - page 284 / 390 » Random graphs on surfaces |
134
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WWW
2002
ACM
16 years 4 months ago
2002
ACM
The Web graph is a giant social network whose properties have been measured and modeled extensively in recent years. Most such studies concentrate on the graph structure alone, an...
128
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CISS
2008
IEEE
2008
IEEE
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
15 years 10 months ago
— 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...
146
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CIKM
2008
Springer
15 years 6 months ago
2008
Springer
SALSA is a link-based ranking algorithm that takes the result set of a query as input, extends the set to include additional neighboring documents in the web graph, and performs a...
163
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MOBIHOC
2012
ACM
13 years 6 months ago
2012
ACM
A key feature of wireless communications is the spatial reuse. However, the spatial aspect is not yet well understood for the purpose of designing efficient spectrum sharing mecha...
131
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ICS
2010
Tsinghua U.
16 years 1 months ago
2010
Tsinghua U.
: We initiate the study of local, sublinear time algorithms for finding vertices with extreme topological properties -- such as high degree or clustering coefficient -- in large so...