708 search results - page 84 / 142 » A Genetic Algorithm for Database Query Optimization |
147
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ICDT
2005
ACM
15 years 10 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
272
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
245
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
As XQuery nears standardization, more sophisticated XQuery applications are emerging, which often exploit the entire language and are applied to non-trivial XML sources. We propos...
126
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DBPL
2007
Springer
15 years 10 months ago
2007
Springer
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...
144
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DASFAA
2006
IEEE
15 years 8 months ago
2006
IEEE
Sensor networks are multi-hop wireless networks of resource constrained sensor nodes used to realize high-level collaborative sensing tasks. To query and access data generated and ...