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Introducing cooperation and actions in amalgamated knowledge bases

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3 Author(s)
Bertino, E. ; Milan Univ., Italy ; Catania, B. ; Perlasca, P.

The theory of amalgamated knowledge bases represents a formal logical foundation for heterogeneous databases. In an amalgamated knowledge base, data sources are modeled by generalized annotated logic. Moreover, an amalgamated knowledge base is equipped with a supervisor acting as a mediator for amalgamating knowledge from the local databases. Even if the framework is quite appealing, it does not model dynamic aspects. Moreover, no communication channels among local databases are supported and cooperation is provided only through the supervisor. In this paper, we extend the theory of amalgamated knowledge bases to deal with actions and cooperation among local databases.

Published in:

Database Systems for Advanced Applications, 2001. Proceedings. Seventh International Conference on

Date of Conference:

21-21 April 2001

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