Mehdi Dastani
Utrecht University

Intelligent Systems Group
P.O.Box 80.089
3508 TB Utrecht, The Netherlands
Phone: +31 30 253 3599
Fax: +31 30 251 3791

Amal El Fallah Seghrouchni
University of Paris 6

Laboratoire d'Informatique de Paris 6
8, Rue du Capitaine Scott
75015 - Paris, France
Phone: +33 1 44 27 87 53
Fax: +33 1 44 27 70 00

João Leite
New University of Lisbon

CENTRIA and Departamento de Informática
Quinta da Torre
2829-516 Caparica, Portugal
Phone: +351 2 1294 8300 ext 10756
Fax: + 351 2 1294 8541

Paolo Torroni
University of Bologna

DEIS
V.le Risorgimento 2
40136 Bologna, Italy
Phone: +39 051 209 3767
Fax: +39 051 209 3073