Domenico Lembo Maurizio Lenzerini Riccardo Rosati Source inconsistency and incompleteness in data integration. 2002 conf/dlog/2002 Description Logics http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-54/Lembo_Lenz_Ros.pdf db/conf/dlog/dlog2002.html#LemboLR02