| C. Ghidini and L. Serafini. Foundation of Federated Databases, I: A Model Theoretic Perspective. Technical Report 9709-02, IRST, Trento, Italy, 1997. |
....takes a more general approach then ourselves as he considers formulas with complex sets of truth values and time intervals. However the intuition behind amalgamated clauses (contained in the supervisory database) is very close to that of a generalization of view constraints described in [8]. From our perspective adopting a global amalgamated database is the reason of the main drawback of Subrahmanian s approach. Indeed global amalgamated database prevents one to associate distinct deductive mechanism to each database in the federation. Furthermore amalgamated database doesn t ....
C. Ghidini and L. Serafini. Foundation of Federated Databases, I: A Model Theoretic Perspective. Technical Report 9709-02, IRST, Trento, Italy, 1997.
....takes a more general approach then ourselves as he considers formulas with complex sets of truth values and time intervals. However the intuition behind amalgamated clauses (contained in the supervisory database) is very close to that of a generalization of view constraints described in [6]. From our perspective adopting a global amalgamated database is the reason of the main drawback of Subrahmanian s approach. Indeed global amalgamated database prevents one to associate distinct deductive mechanism to each database in the system. Furthermore amalgamated database doesn t support ....
C. Ghidini and L. Serafini. Foundation of Federated Databases, I: A Model Theoretic Perspective. Technical Report 9709-02, IRST, Trento, Italy, 1997.
....takes a more general approach then ourselves as he considers formulas with complex sets of truth values and time intervals. However the intuition behind amalgamated clauses (contained in the supervisory database) is very close to that of a generalization of view constraints described in [10]. From our perspective adopting a global amalgamated database is the reason of the main drawback of Subrahmanian s approach. Indeed global amalgamated database prevents one to associate distinct deductive mechanism to each database in the federation. Furthermore amalgamated database doesn t ....
C. Ghidini and L. Serafini. Foundation of Federated Databases, I: A Model Theoretic Perspective. Submitted to the Special Issue of the Journal of Logic Programming on Logic-Based Heterogeneous Information Systems, September 1997. Also IRST-Technical Report 9709-02, IRST, Trento, Italy.
....takes a more general approach then ourselves as he considers formulas with complex sets of truth values and time intervals. However the intuition behind amalgamated clauses (contained in the supervisory database) is very close to that of a generalization of view constraints described in [6]. From our perspective adopting a global amalgamated database is the reason of the main drawback of Subrahmanian s approach. Indeed global amalgamated database prevents one to associate distinct deductive mechanism to each database in the system. Furthermore amalgamated database doesn t support ....
C. Ghidini and L. Serafini. Foundation of Federated Databases, I: A Model Theoretic Perspective. Technical Report 9709-02, IRST, Trento, Italy, 1997.
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