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» Querying Databases with Taxonomies

138

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SIGMOD
1992
ACM

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Extensible/Rule Based Query Rewrite Optimization in Starburst

15 years 6 months ago

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This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...

Hamid Pirahesh, Joseph M. Hellerstein, Waqar Hasan

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111

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FQAS
2006
Springer

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Robust Query Processing for Personalized Information Access on the Semantic Web

15 years 5 months ago

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Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...

Peter Dolog, Heiner Stuckenschmidt, Holger Wache

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183

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ICDE
2005
IEEE

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Optimizing Access Cost for Top-k Queries over Web Sources: A Unified Cost-based Approach

16 years 3 months ago