Integrated database system and program storage medium

Details Integrated database system and program storage medium Integrated database system and program storage medium

2005-05-24

2005-05-24

Robinson, Greta (Department: 2167)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

06898594

ABSTRACT:
By corresponding the external databases to the predicates used in query processing according to a predetermined ontology, it is allowed to issue a query through the ontology. The query thrown into the integrated database is expanded into the set of approximate queries according to approximation rules provided in the ontology. The optimization module refers to the query capability of the external databases to perform the query optimizing in which these approximate queries can be executed efficiently as a whole.

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