Ontologies-based databases and information systems : first and second VLDB workshops, ODBIS 2005/2006 : Trondheim, Norway, September 2-3, 2005 : Seoul, Korea, September 11, 2006 : revised papers. : international VLDB workshops on ontologies-based techniques for databases and information systems : ------.
Ontologies-based databases and information systems : 1st and 2nd VLDB workshops, ODBIS 2005/2006 : Trondheim, Norway, September 2-3, 2005 : Seoul, Korea, September 11, 2006 : revised papers