3969 search results - page 157 / 794 » Query Processing Using Ontologies |
235
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ICDE
2005
IEEE
16 years 4 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
132
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PVLDB
2010
15 years 1 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
338
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ICDE
2008
IEEE
17 years 2 months ago
2008
IEEE
Recently, there has been much interest in processing skyline queries for various applications that include decision making, personalized services, and search pruning. Skyline queri...
121
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WEBDB
2004
Springer
15 years 8 months ago
2004
Springer
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
141
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DAGSTUHL
2006
15 years 4 months ago
2006
Abstract. Similarity search in large multimedia databases requires efficient query processing based on suitable similarity models. Similarity models consist of a feature extraction...