ODB-QOptimizer is a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredients. The first one is the OCDL description logics (DLs) proposed as a common formalism to express class descriptions, a relevant set of integrity constraints rules (IC rules) and queries. The second one are DLs inference techniques, exploited to evaluate the logical implications expressed by IC rules and thus to produce the semantic expansion of a given query.

A semantics-driven query optimizer for OODBs / Bergamaschi, Sonia; Vincini, Maurizio; Beneventano, Domenico. - ELETTRONICO. - (1997), pp. 578-582. ((Intervento presentato al convegno 13th International Conference on Data Engineering (ICDE'97) tenutosi a Birmigham, UK nel Aprile.

A semantics-driven query optimizer for OODBs

BERGAMASCHI, Sonia;VINCINI, Maurizio;BENEVENTANO, Domenico
1997

Abstract

ODB-QOptimizer is a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredients. The first one is the OCDL description logics (DLs) proposed as a common formalism to express class descriptions, a relevant set of integrity constraints rules (IC rules) and queries. The second one are DLs inference techniques, exploited to evaluate the logical implications expressed by IC rules and thus to produce the semantic expansion of a given query.
13th International Conference on Data Engineering (ICDE'97)
Birmigham, UK
Aprile
578
582
Bergamaschi, Sonia; Vincini, Maurizio; Beneventano, Domenico
A semantics-driven query optimizer for OODBs / Bergamaschi, Sonia; Vincini, Maurizio; Beneventano, Domenico. - ELETTRONICO. - (1997), pp. 578-582. ((Intervento presentato al convegno 13th International Conference on Data Engineering (ICDE'97) tenutosi a Birmigham, UK nel Aprile.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/464080
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