176 search results - page 15 / 36 » Additive-Disjunctive Heuristics for Optimal Planning |
ICDE
2012
IEEE
13 years 24 days ago
2012
IEEE
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
PODS
2001
ACM
15 years 10 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. To direct automated Web service composition, it is compelling to provide a template, workflow or scaffolding that dictates the ways in which services can be composed. I...
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DCOSS
2011
Springer
13 years 10 months ago
2011
Springer
—Controlled sink mobility has been shown to be very beneficial in lifetime prolongation of wireless sensor networks (WSNs) by avoiding the typical hot-spot problem near the sink...
AIPS
2009
14 years 11 months ago
2009
In this paper a planning framework based on Ant Colony Optimization techniques is presented. It is well known that finding optimal solutions to planning problems is a very hard co...