Bernardo Cuenca Grau Bijan Parsia Evren Sirin Ontology Integration Using epsilon-Connections. 293-320 2009 Modular Ontologies http://dx.doi.org/10.1007/978-3-642-01907-4_14 series/lncs/5445 db/series/lncs/lncs5445.html#GrauPS09