A Comparison of Query Rewriting Techniques for DL−Lite
Héctor Pérez-Urbina, Boris Motik, Ian Horrocks · 2009
An incomplete database is defined by a set of constraints and a partial database instance [1]. Answering conjunctive queries over incomplete databases is an important computational task that lies at the core of many problems, such as information integration [12], data exchange [9], and data warehousing [17]. Given