14248 search results - page 217 / 2850 » Queries |
152
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...
144
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KSEM
2007
Springer
15 years 11 months ago
2007
Springer
Abstract. In this paper we propose a model that allows agents to deliberate using defeasible argumentation, to share knowledge with other agents, and to represent individual knowle...
124
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PVM
2007
Springer
15 years 11 months ago
2007
Springer
We propose a parallel MPI search engine that is capable of automatically switching between asynchronous message passing and bulk-synchronous message passing modes of operation. Whe...
128
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SEMWEB
2007
Springer
15 years 11 months ago
2007
Springer
Natural language interfaces offer end-users a familiar and convenient option for querying ontology-based knowledge bases. Several studies have shown that they can achieve high ret...
156
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IDEAS
2006
IEEE
15 years 11 months ago
2006
IEEE
In this paper, we present SURCH, a novel decentralized algorithm for efficient processing of queries generated in sensor networks. Unlike existing techniques, SURCH is fully dist...