A method for data access includes defining an ontology for application to a set of diverse data sources (58) comprising data having predefined semantics, and associating with the ontology one or more logical rules applicable to the semantics of the data in the data sources. Upon receiving a query from...http://www.google.fr/patents/US20060248045?utm_source=gb-gplus-shareBrevet US20060248045 - Information access using ontologies
Numéro de demande: 10/565,400 Numéro de publication: US 2006/0248045 A1 Date de dépôt: 22 juil. 2004 Brevet délivré: US7761480 ( Date de délivrance 20 juil. 2010)