Incremental query rewriting for OWL 2 QL
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou · 2012
A key application of Description-Logic based ontologies is Ontology-Based Data Access (OBDA) [9]. In such scenarios a TBox is used to describe the schema of the application while answers to conjunctive queries reflect both the schema and the data. Unfortunately, it is well-known that conjunctive query (CQ) answering