21430 search results - page 4095 / 4286 » Abstract Effective Models |
127
Voted
WWW
2003
ACM
16 years 4 months ago
2003
ACM
Continuous queries are queries for which responses given to users must be continuously updated, as the sources of interest get updated. Such queries occur, for instance, during on...
162
Voted
WWW
2003
ACM
16 years 4 months ago
2003
ACM
The large amount of information now available on the Web can play a prominent role in building a cooperative intelligent distance learning environment. We propose a system to prov...
130
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WWW
2002
ACM
16 years 4 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...
142
Voted
KDD
2009
ACM
16 years 4 months ago
2009
ACM
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
149
Voted
KDD
2009
ACM
16 years 4 months ago
2009
ACM
A heterogeneous information network is an information network composed of multiple types of objects. Clustering on such a network may lead to better understanding of both hidden s...