Ontology Middleware: Analysis and Design

Abstract This report outlines the requirements for the Ontology Middleware Module (to be developed intask 11.2) and the reasoning enhancements (to be developed in task 11.3), as well, as theappropriate conceptual models and implementation approaches proposed as a result of the research,analysis, and discussions that took place within the consortium.Architectural design of the new modules is presented so to specify the roles of the modules andsubsystems and the interfaces to be supported. The expressivity of the language and the services tobe supported by the reasoner are also specified.Our analysis builds on top of the research already conducted in the course of the project, and moreprecisely deliverables numbers 1-4, 6, 9, 10, and 15-17 of the On-To-Knowledge project. Acknowledgements The research reported here was carried out in the course of the On-To-Knowledge project. Thisproject is partially funded by the IST Programme of the Commission of the EuropeanCommunities as project number IST-1999-10132. The partners in this project are: VrijeUniversiteit Amsterdam VUA (coordinator, NL), University of Karlsruhe (Germany), Swiss Life(Switzerland), BT plc (UK), CognIT a.s. (Norway), EnerSearch AB (Sweden), AIdministratorNederland BV (NL), OntoText Lab. (BG). We wish to particularly thank to the Arjohn Kampman,Frank van Harmelen, Jeen Broekstra, Marin Dimitrov, and

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