3269 search results - page 309 / 654 » Query Optimization for XML |
185
Voted
CR
2001
15 years 6 months ago
2001
We describe an ontology for WWW summarization in Bone Marrow Transplantation that is currently under construction. It is text-based and qualifies as a grounded ontology. In additi...
114
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ICEBE
2005
IEEE
15 years 10 months ago
2005
IEEE
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
101
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SIGMOD
1997
ACM
15 years 9 months ago
1997
ACM
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
115
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CORR
2008
Springer
15 years 5 months ago
2008
Springer
A data structure, called a biased range tree, is presented that preprocesses a set S of n points in R2 and a query distribution D for 2-sided orthogonal range counting queries. The...
137
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AIIA
2007
Springer
15 years 11 months ago
2007
Springer
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...