Stefano Bragaglia Federico Chesani Paola Mello Davide Sottara A Step toward Tight Integration of Fuzzy Ontological Reasoning with Forward Rules. 227-230 2010 RR http://dx.doi.org/10.1007/978-3-642-15918-3_20 conf/rr/2010 db/conf/rr/rr2010.html#BragagliaCMS10