Devis Bianchini Valeria De Antonellis Michele Melchiori Denise Salvi Service Discovery for Semantic Peer-to-Peer Cooperation. 153-158 2008 WETICE http://dx.doi.org/10.1109/WETICE.2008.18 conf/wetice/2008 db/conf/wetice/wetice2008.html#BianchiniAMS08