5107 search results - page 945 / 1022 » Data Mining and Information Retrieval |
WWW
2003
ACM
15 years 10 months ago
2003
ACM
The computation of page importance in a huge dynamic graph has recently attracted a lot of attention because of the web. Page importance, or page rank is defined as the fixpoint o...
WWW
2010
ACM
15 years 5 months ago
2010
ACM
Result diversity is a topic of great importance as more facets of queries are discovered and users expect to find their desired facets in the first page of the results. However,...
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WWW
2010
ACM
15 years 5 months ago
2010
ACM
The World-Wide Web consists not only of a huge number of unstructured texts, but also a vast amount of valuable structured data. Web tables [2] are a typical type of structured in...
GIS
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...