1654 search results - page 212 / 331 » Ontology Based Query Processing in Database Management Syste... |
179
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DILS
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. Data integration plays a major role in modern Life Sciences research primarily because required resources are geographically distributed across continents and experts dep...
128
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GECCO
2007
Springer
15 years 10 months ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
235
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GIS
2008
ACM
16 years 4 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
165
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VLDB
2004
ACM
15 years 9 months ago
2004
ACM
In this paper, we address the problem of designing a scalable, accurate query processor for peerto-peer filesharing and similar distributed keyword search systems. Using a global...
139
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...