817 search results - page 85 / 164 » Generating Efficient Plans for Queries Using Views |
119
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COMPSAC
2006
IEEE
15 years 9 months ago
2006
IEEE
This paper presents an approach for building consensus ontologies from the individual ontologies of a network of socially interacting agents. Each agent has its own conceptualizat...
159
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AIPS
2009
15 years 4 months ago
2009
Probabilistic Roadmaps (PRM) are a commonly used class of algorithms for robot navigation tasks where obstacles are present in the environment. We examine the situation where the ...
151
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DPD
2002
15 years 3 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
138
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CDC
2008
IEEE
15 years 3 months ago
2008
IEEE
This paper is a response to requests from several respected colleagues in academia for a careful writeup of the classical time-optimal control based hybrid controllers that we have...
154
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SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...