Multi agent ontology mapping framework in the AQUA question answering system

Authors:
Miklos Nagy;Maria Vargas-Vera;Enrico Motta
Affiliations:
Knowledge Media Institute (KMi), The Open University, Milton Keynes, United Kingdom;Knowledge Media Institute (KMi), The Open University, Milton Keynes, United Kingdom;Knowledge Media Institute (KMi), The Open University, Milton Keynes, United Kingdom
Venue:
MICAI'05 Proceedings of the 4th Mexican international conference on Advances in Artificial Intelligence
Year:
2005

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Abstract

This paper describes an ontology-mapping framework in the context of query answering (QA). In order to incorporate uncertainty inherent to the mapping process, the system uses the Dempster-Shafer model for dealing with incomplete and uncertain information produced during the mapping. A novel approach is presented how specialized agents with partial local knowledge of the particular domain achieve ontology mapping without creating global or reference ontology. Our approach is particularly fit for a query-answering scenario, where an answer needs to be created in real time that satisfies the query posed by the user.