Titlebook: Database and Expert Systems Applications; 26th International C Qiming Chen,Abdelkader Hameurlain,Hendrik Decker Conference proceedings 2015

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Philip Gummett,Josephine Anne Steinics each peer uses its mapping rules to import minimal sets of mapping atoms allowing to satisfy its local integrity constraints. This behavior results to be useful in real world P2P systems in which peers often use the available import mechanisms to extract knowledge from the rest of the system onl