Jörg Nitzsche Barry Norton Ontology-Based Data Mediation in BPEL (For Semantic Web Services). 523-534 2008 Business Process Management Workshops http://dx.doi.org/10.1007/978-3-642-00328-8_53 conf/bpm/2008w db/conf/bpm/bpmw2008.html#NitzscheN08