709 search results - page 27 / 142 » Efficient Evaluation of All-Nearest-Neighbor Queries |
272
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
181
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DEXA
2005
Springer
15 years 11 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
171
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DIS
2006
Springer
15 years 9 months ago
2006
Springer
The purpose of this paper is two-fold: First, we give efficient algorithms for answering itemset support queries for collections of itemsets from various representations of the fre...
249
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
Peer-to-peer systems are mainly used for object sharing although they can provide the infrastructure for many other applications. In this paper, we extend the idea of object shari...
140
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
Query result caching is an important mechanism for search engine efficiency. In this study, we first review several query features that are used to determine the contents of a sta...