Laura Giordano Valentina Gliozzi Nicola Olivetti Gian Luca Pozzato Prototypical Reasoning with Low Complexity Description Logics: Preliminary Results. 430-436 2009 LPNMR http://dx.doi.org/10.1007/978-3-642-04238-6_38 conf/lpnmr/2009 db/conf/lpnmr/lpnmr2009.html#GiordanoGOP09