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A model for schema integration in heterogeneous databases

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4 Author(s)
Gal, A. ; Technion-Israel Inst. of Technol., Haifa, Israel ; Trombetta, A. ; Anaby-Tavor, A. ; Montesi, D.

Schema integration is the process by which schemata from heterogeneous databases are conceptually integrated into a single cohesive schema. In this work we propose a modeling framework for schema integration, capturing the inherent uncertainty accompanying the integration process. The model utilizes a fuzzy framework to express a confidence measure, associated with the outcome of a schema integration process. In this paper we provide a systematic analysis of the process properties and establish a criterion for evaluating the quality of matching algorithms, which map attributes among heterogeneous schemata.

Published in:

Database Engineering and Applications Symposium, 2003. Proceedings. Seventh International

Date of Conference:

16-18 July 2003

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