| B. Benn, Y. Chen, and I. Gringer. A rule-based strategy for schema integration in a heterogeneous information environment, 1996. |
....copy, generalize, join, and simplify has been proposed [CE93] to integrate conceptual schemas. In contrast, constraint based approaches have been proposed for operations like generalization, type assignment, and exclusion constraints to correlate two conceptual graphs [EJ95] Benn et al. BCG96] first transform the relational schema of each source to an object schema consisting of classes, attributes and semantic constraints. Schema integration is achieved using two groups of first order rules. With the first group the integrator identifies subgraph isomorphisms between the schemas ....
B. Benn, Y. Chen, and I. Gringer. A rule-based strategy for schema integration in a heterogeneous information environment, 1996.
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BCG96 W. Benn, Y. Chen and I. Gringer, "A rule-based strategy for schema integration in a heterogeneous information enviroment", internal report/CSR-96-1, the Computer Science Department, Technic University of ChemnitzZwickau, Germany, 1996.
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BCG96 W. Benn, Y. Chen and I. Gringer, "A rule-based strategy for schema integration in a heterogeneous information environment", Technical Report CSR-96-01, 1996.
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B. Benn, Y. Chen, and I. Gringer. A rule-based strategy for schema integration in a heterogeneous information environment, 1996.
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