Logical foundations of information disclosure in ontology-based data integration
Artif. Intell., Volume 262, 2018, Pages 52-95.
Abstract Ontology-based data integration systems allow users to effectively access data sitting in multiple sources by means of queries over a global schema described by an ontology. In practice, data sources often contain sensitive information that the data owners want to keep inaccessible to users. Our aim in this paper is to lay the ...More
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