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Maintaining semantic mappings between database schemas and ontologies
Conference proceeding   Peer reviewed

Maintaining semantic mappings between database schemas and ontologies

Yuan An and Thodoros Topaloglou
SEMANTIC WEB, ONTOLOGIES AND DATABASES, v 5005, pp 138-152
01 Jan 2008
DOI: https://doi.org/10.1007/978-3-540-70960-2_8

Abstract

Computer Science Computer Science, Information Systems Computer Science, Theory & Methods Science & Technology Technology
There is a growing need to define a semantic mapping from a database schema to an ontology. Such a mapping is an integral part of the data integration systems that use an ontology as a unified global view. However, both ontologies and database schemas evolve over time in order to accommodate updated information needs. Once the ontology and the database schema associated with a semantic mapping evolved, it is necessary and important to maintain the validity of the semantic mapping to reflect the new semantics in the ontology and the schema. In this paper, we propose a formulation of the mapping maintenance problem and outline a possible solution using illustrative examples. The main points of this paper are: (1) to differentiate the semantic mapping maintenance problem from the schema mapping adaptation problem which only adapts mappings when schemas change; (2) to develop an approach for specifying the validity of a semantic mapping in terms of two-way legal instances translation between two models; (3) to explore the approach of using simple correspondences to capture changes to ontologies/schemas; and (4) to sketch a solution using examples.

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6 citations in Web of Science
9 citations in Scopus

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Computer Science, Information Systems
Computer Science, Theory & Methods
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