Journal on data semantics VIII - Pernici, Barbara; Fages, Francois; Atzeni, Paolo, 1957-; Kifer, Michael; Shvaiko, Pavel; Trujillo, Juan; Zaihrayeu, Ilya; Mylopoulos, John; Hacid, Mohand-Said; Spaccapietra, Stefano (Lecture Notes in Computer Science,, 2007)