Guilaine Talens Danielle Boulanger Isabelle Dedun A knowledge based system: an object case approach. 190- 2000 conf/ictai/2000 ICTAI http://csdl.computer.org/comp/proceedings/ictai/2000/0909/00/09090190abs.htm db/conf/ictai/ictai2000.html#TalensBD00