2228 search results - page 224 / 446 » A System for Semantic Query Optimization |
128
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COOPIS
2002
IEEE
15 years 8 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...
133
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ICMCS
2000
IEEE
15 years 7 months ago
2000
IEEE
We describe a subsystem of a content-based image retrieval (CBIR) environment that supports a user in the definition of image similarity. Out of a single image or a set of query i...
136
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COOPIS
2004
IEEE
15 years 7 months ago
2004
IEEE
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
151
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CORR
2008
Springer
15 years 3 months ago
2008
Springer
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native XML database management systems currently bear limited p...
131
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SIGIR
2005
ACM
15 years 9 months ago
2005
ACM
We introduce a new model for semantic annotation and retrieval from image databases. The new model is based on a probabilistic formulation that poses annotation and retrieval as c...