Devis Bianchini Valeria De Antonellis Michele Melchiori Denise Salvi A Semantic Overlay for Service Discovery across Web Information Systems. 292-306 2008 WISE http://dx.doi.org/10.1007/978-3-540-85481-4_23 conf/wise/2008 db/conf/wise/wise2008.html#BianchiniAMS08