1.Department of Computer Science and Technology, University of Science and Technology of China, Hefei 230026 2.Dublin Institute of Technology, Dublin, Ireland
Abstract Singledirectional mapping between ontology versions can not satisfy the requirement of data sharing and reusing. In this paper a new approach, bidirectional mapping, for mapping ontology versions is introduced. It can process mappings between two ontology versions in two directions at the same time and produce the bidirectional mapping which can relate and transform the similar elements in different ontology versions. So it can greatly improve the ability of data sharing between data resources that use different versions of the same ontology. Four elements of the bidirectional mapping between ontology versions are described in details, including mapping element, bidirectional mapping relation, bidirectional transformation and additional metadata. Finally, an example of bidirectional mapping between ontology versions is presented.
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2006, Vol. 19 
