Stefano Nativi Dino Giuli Emilio Bugli Innocenti Interoperability for Multimedia Systems to Support Decision-Makers in the Environment Sector. 338-342 1999 ICMCS, Vol. 2 http://computer.org/conferen/proceed/icmcs/0253/volume%202/02530338abs.htm db/conf/icmcs/icmcs99-2.html#NativiGI99