Fernando Silva Parreiras Jeff Z. Pan Uwe Aßmann Jakob Henriksson First Workshop on Transforming and Weaving Ontologies in Model Driven Engineering (TWOMDE 2008). 314-317 2008 MoDELS Workshops http://dx.doi.org/10.1007/978-3-642-01648-6_33 conf/models/2008w db/conf/models/models2008w.html#ParreirasPAH08a