Small Datalog Query Rewritings for EL
Giorgio Stefanoni · 2012
Description Logics are a key technology in data management scenarios such as Ontology-Based Data Access (OBDA), a paradigm in which a DL ontology is used to provide a conceptual view of the data [1]. An OBDA system transforms a conjunctive query over the ontology into a query over the data sources [2]. This