Journal on Data Semantics IX - Hutchison, David; Atzeni, Paolo; Fages, François; Hacid, Mohand-Saïd; Kanade, Takeo; Kifer, Michael; Mylopoulos, John; Pernici, Barbara; Shvaiko, Pavel; Spaccapietra, S.; Trujillo, Juan; Zaihrayeu, Ilya; et al. (Springer Berlin Heidelberg, 2007)