Oana Nicolae Mirel Cosulschi Adrian Giurca Gerd Wagner Towards a BPMN Semantics Using UML Models. 585-596 2008 Business Process Management Workshops http://dx.doi.org/10.1007/978-3-642-00328-8_59 conf/bpm/2008w db/conf/bpm/bpmw2008.html#NicolaeCGW08