Giuseppe Sindoni Leonardo Tininini Amedea Ambrosetti Cristina Bedeschi Stefano De Francisci Orietta Gargano Rossella Molinaro Mario Paolucci Paola Patteri Pina Ticca SIT-IN: a Real-Life Spatio-Temporal Information System. 711-712 http://www.vldb.org/conf/2001/P711.pdf 2001 conf/vldb/2001 VLDB db/conf/vldb/vldb2001.html#SindoniTABFGMPPT01