A genetic algorithms-based approach for optimizing similarity aggregation in ontology matching

Authors:
Marcos Martínez-Romero;José Manuel Vázquez-Naya;Francisco Javier Nóvoa;Guillermo Vázquez;Javier Pereira
Affiliations:
IMEDIR Center, University of A Coruña, A Coruña, Spain;Department of Information and Communication Technologies, Computer Science Faculty, University of A Coruña, A Coruña, Spain;Department of Information and Communication Technologies, Computer Science Faculty, University of A Coruña, A Coruña, Spain;Institute of Biomedical Research of A Coruña (INIBIC), Xubias de Arriba 84, Hospital Materno Infantil (1a planta), A Coruña, Spain;IMEDIR Center, University of A Coruña, A Coruña, Spain
Venue:
IWANN'13 Proceedings of the 12th international conference on Artificial Neural Networks: advances in computational intelligence - Volume Part I
Year:
2013

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Abstract

Ontology matching consists of finding the semantic relations between different ontologies and is widely recognized as an essential process to achieve an adequate interoperability between people, systems or organizations that use different, overlapping ontologies to represent the same knowledge. There are several techniques to measure the semantic similarity of elements from separate ontologies, which must be adequately combined in order to obtain precise and complete results. Nevertheless, combining multiple similarity measures into a single metric is a complex problem, which has been traditionally solved using weights determined manually by an expert, or through general methods that do not provide optimal results. In this paper, a genetic algorithms based approach to aggregate different similarity metrics into a single function is presented. Starting from an initial population of individuals, each one representing a combination of similarity measures, our approach allows to find the combination that provides the optimal matching quality.