709 search results - page 84 / 142 » Efficient Evaluation of All-Nearest-Neighbor Queries |
179
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DEXA
2010
Springer
15 years 7 months ago
2010
Springer
The class of k Nearest Neighbor (kNN) queries in spatial networks has been widely studied in the literature. All existing approaches for kNN search in spatial networks assume that ...
234
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...
152
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ACSC
2004
IEEE
15 years 9 months ago
2004
IEEE
Indexes are the key technology underpinning efficient text search. A range of algorithms have been developed for fast query evaluation and for index creation, but update algorithm...
143
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WWW
2004
ACM
16 years 6 months ago
2004
ACM
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...
161
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OTM
2009
Springer
16 years 15 days ago
2009
Springer
Abstract. Ontologies have become very popular in life sciences and other domains. They mostly undergo continuous changes and new ontology versions are frequently released. However,...