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Preface to the Special Issue on Selected Papers Presented at the 4th International Conference on Web Reasoning and Rule Systems (RR~2010)

Calvanese D; Lukasiewicz T (2013)
Capturing model-based ontology evolution at the instance level: The case of DL-Lite

Kharlamov E; Zheleznyakov D; Calvanese D (2013)
Evolution of Knowledge Bases (KBs) expressed in Description Logics (DLs) has gained a lot of attention lately. Recent studies on the topic have mostly focused on so-called model-based approaches (MBAs), where the evolution ...
Data complexity of query answering in description logics

Calvanese D; De Giacomo G; Lembo D; Lenzerini M; Rosati R (2013)
In this paper we study data complexity of answering conjunctive queries over Description Logic (DL) knowledge bases constituted by an ABox and a TBox. In particular, we are interested in characterizing the FOL-rewritability ...