Azzurra Ragone Umberto Straccia Fernando Bobillo Tommaso Di Noia Eugenio Di Sciascio Francesco M. Donini Fuzzy Description Logics for Bilateral Matchmaking in e-Marketplaces. 2008 Description Logics http://ceur-ws.org/Vol-353/RagoneStracciaBobilloDiNoiaDiSciascioDonini.pdf conf/dlog/2008 db/conf/dlog/dlog2008.html#RagoneSBNSD08