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Title: An ontology based approach to the integration of entity-relationship schemas
Authors: He, Q.
Ling, T.W. 
Keywords: Entity-relationship approach
Schema integration
Schematic discrepancy
Issue Date: 2006
Citation: He, Q., Ling, T.W. (2006). An ontology based approach to the integration of entity-relationship schemas. Data and Knowledge Engineering 58 (3) : 299-326. ScholarBank@NUS Repository.
Abstract: In schema integration, schematic discrepancies occur when data in one database correspond to metadata in another. We explicitly declare the context that is the meta information relating to the source, classification, property etc. of entities, relationships or attribute values in entity-relationship (ER) schemas. We present algorithms to resolve schematic discrepancies by transforming metadata into the attribute values of entity types, keeping the information and constraints of original schemas. Although focusing on the resolution of schematic discrepancies, our technique works seamlessly with the existing techniques resolving other semantic heterogeneities in schema integration. © 2005 Elsevier B.V. All rights reserved.
Source Title: Data and Knowledge Engineering
ISSN: 0169023X
DOI: 10.1016/j.datak.2005.07.005
Appears in Collections:Staff Publications

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