Authors and Affiliations: 

Emilio Padoa-Schioppa, University of Milano-Bicocca, Department of Earth and Environmental Sciences, Italy.
Paola Mairota, University of Bari, Department of Agro-Environmental and Territorial Sciences, Italy.
Rob Jongman, Alterra Wageningen UR, Netherlands.
Palma Blonda, National Research Council, Institute of Intelligent Systems for Automation (CNR-ISSIA), Bari, Italy.
Stefan Lang, Z_GIS, University of Salzburg.