Eric Andonoff Wassim Bouaziz Chihab Hanachi A Protocol Ontology for Inter-Organizational Workflow Coordination. 28-40 2007 conf/adbis/2007 ADBIS http://dx.doi.org/10.1007/978-3-540-75185-4_4 db/conf/adbis/adbis2007.html#AndonoffBH07