TY - JOUR T1 - \newblock{A Declarative Framework for Reasoning on Spatio-temporal Data} Y1 - 2004 A1 - Mirco Nanni A1 - Alessandra Raffaetà A1 - Chiara Renso A1 - Franco Turini N1 - \newblock{Book chapter in Spatio-temporal databases, flexible querying and reasoning, R. de Caluwe, G. de Trè, G. Bordogna editors, Physica Verlag }. ER -