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Dealing With Uncertain Entities in Ontology Alignment Using Rough Sets

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5 Author(s)
Sadaqat Jan ; Computer Software Engineering Department, Khyber Pakhtunkhwa University of Engineering and Technology, Mardan Campus, Pakistan ; Maozhen Li ; Hamed Al-Raweshidy ; Alireza Mousavi
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Ontology alignment facilitates exchange of knowledge among heterogeneous data sources. Many approaches to ontology alignment use multiple similarity measures to map entities between ontologies. However, it remains a key challenge in dealing with uncertain entities for which the employed ontology alignment measures produce conflicting results on similarity of the mapped entities. This paper presents OARS, a rough-set based approach to ontology alignment which achieves a high degree of accuracy in situations where uncertainty arises because of the conflicting results generated by different similarity measures. OARS employs a combinational approach and considers both lexical and structural similarity measures. OARS is extensively evaluated with the benchmark ontologies of the ontology alignment evaluation initiative (OAEI) 2010, and performs best in the aspect of recall in comparison with a number of alignment systems while generating a comparable performance in precision.

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IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews)  (Volume:42 ,  Issue: 6 )