Isabelle Bournaud Mélanie Courtine Jean-Daniel Zucker Propositionalization for Clustering Symbolic Relational Descriptions. 1-16 2002 conf/ilp/2002 ILP http://link.springer.de/link/service/series/0558/bibs/2583/25830001.htm db/conf/ilp/ilp2002.html#BournaudCZ02