Global database management system integrating heterogeneous...

G - Physics – 06 – F

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G06F 17/30 (2006.01)

Patent

CA 2442520

A database management system is disclosed for solving distributed queries across a range of resources. In known systems, database retrieval from multiple sources suffers from problems of reconciliation of data between resources and resource or data incompatibility. The invention allows full database integration even in the case where a database includes a plurality of disparate database resources having differing ontologies (data structures). The system has an ontology server which is used to store the ontologies of various database resources and the query engine is designed to consult the server so that it can construct a query that will operate effectively across the disparate database resources.

L'invention concerne un système de gestion de bases de données permettant de résoudre des interrogations distribuées dans une série de ressources. Dans les systèmes connus, la consultation de bases de données à partir de sources multiples rencontre des problèmes de réconciliation de données entre ressources et d'incompatibilité ressource ou données. L'invention permet l'intégration complète de bases de données même si une base de données comporte une pluralité de ressources de bases de données disparates ayant différentes ontologies (structures données). Le système a un serveur ontologie qui sert à stocker les ontologies de différentes ressources de bases de données et le moteur d'interrogation est conçu pour consulter le serveur de telle manière qu'il puisse construire une interrogation qui va fonctionner effectivement à travers les différentes ressources de bases de données.

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