1168 search results - page 60 / 234 » Optimization strategies for complex queries |
160
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AAAI
2007
15 years 8 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large a...
180
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CVDB
2005
ACM
15 years 8 months ago
2005
ACM
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...
181
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SIGMOD
2000
ACM
15 years 10 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
177
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
167
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BDA
2007
15 years 7 months ago
2007
We present Pattern-by-Example (PBE), a graphical language that allows users with little or no knowledge of pattern-matching and functional programming to define complex and optim...