708 search results - page 84 / 142 » A Genetic Algorithm for Database Query Optimization |
ICDT
2005
ACM
14 years 2 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...
ICDE
2008
IEEE
14 years 10 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...
ICDE
2006
IEEE
14 years 10 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...
DBPL
2007
Springer
14 years 3 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...
DASFAA
2006
IEEE
14 years 18 days 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 ...