Domenico Lembo, Maurizio Lenzerini, Riccardo Rosati.
Technical report D5.1, INFOMIX Consortium, 2003.
@Techrep{LeLR03c, author = "Domenico Lembo and Maurizio Lenzerini and Riccardo Rosati", title = "Methods and techniques for query answering", institution = "INFOMIX Consortium", number = "D5.1", year = 2003, }