Diego Calvanese Giuseppe De Giacomo Maurizio Lenzerini Description Logics for Information Integration. 41-60 2002 conf/birthday/2002kowalski2 Computational Logic: Logic Programming and Beyond http://link.springer.de/link/service/series/0558/bibs/2408/24080041.htm db/conf/birthday/kowalski2002-2.html#CalvaneseGL02