Foundations of logic programming; (2nd extended ed.)
Foundations of logic programming; (2nd extended ed.)
Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
ACM Transactions on Database Systems (TODS)
Combining databases with prioritized information
Journal of Intelligent Information Systems
A semantics for reasoning consistently in the presence of inconsistency
Artificial Intelligence
Consistent query answers in inconsistent databases
PODS '99 Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Foundations of Databases: The Logical Level
Foundations of Databases: The Logical Level
Combining Multiple Knowledge Bases
IEEE Transactions on Knowledge and Data Engineering
Reasoning in Inconsistent Knowledge Bases
IEEE Transactions on Knowledge and Data Engineering
Flexible Relation: An Approach for Integrating Data from Multiple, Possibly Inconsistent Databases
ICDE '95 Proceedings of the Eleventh International Conference on Data Engineering
Combining Knowledge Bases Consisting of First Order Theories
ISMIS '91 Proceedings of the 6th International Symposium on Methodologies for Intelligent Systems
Query Answering in Information Systems with Integrity Constraints
Proceedings of the IFIP TC11 Working Group 11.5, First Working Conference on Integrity and Internal Control in Information Systems: Increasing the confidence in Information Systems
Integrating data from possibly inconsistent databases
COOPIS '96 Proceedings of the First IFCIS International Conference on Cooperative Information Systems
Conflict Tolerant Queries in AURORA
COOPIS '99 Proceedings of the Fourth IECIS International Conference on Cooperative Information Systems
Querying inconsistent databases
LPAR'00 Proceedings of the 7th international conference on Logic for programming and automated reasoning
Complexity and Algorithms for the Matching of Bag and Set Terms
JELIA '02 Proceedings of the European Conference on Logics in Artificial Intelligence
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In this paper we present a logic programming based framework for the integration of databases. Our framework is based on a logic language obtained by extending Datalog with several constructs such as choice, set constructors, aggregates. We show that the extended language can be profitable used to easily implement most of the integration techniques defined in the literature and define more general techniques.