Mirco Nanni Alessandra Raffaetà Chiara Renso Franco Turini Deductive and Inductive Reasoning on Spatio-Temporal Data. 98-115 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3392&spage=98 2004 conf/wlp/2004 INAP/WLP db/conf/wlp/wlp2004.html#NanniRRT04