Suzanne Pinson

Departement lnformatlque . Unlveralte Paris 11. Q2 rue d'Aaaaa . 75270 PARIS; CEDEX Oil. France and LAFORIA. CNRS . Unlveralte Perla VI. If place Juaaleu . 75230 PARIS CEDEX 05 , France

1 paper in the IJCAI proceedings