%0 Conference Paper %D 2013 %T Spatio temporal keyword-queries in Social Networs %A Vittoria Cozza %A Antonio Messina %A Danilo Montesi %A Luca Arietta %A Matteo Magnani %0 Conference Paper %B FAPR %D 1996 %T Using Temporary Integrity Constraints to Optimize Databases %A Danilo Montesi %A Chiara Renso %A Franco Turini %B FAPR %P 430-435 %G eng