Zhixian Yan Emilia Cimpian Michal Zaremba Manuel Mazzara BPMO: Semantic Business Process Modeling and WSMO Extension. 1185-1186 2007 conf/icws/2007 ICWS http://doi.ieeecomputersociety.org/10.1109/ICWS.2007.60 db/conf/icws/icws2007.html#YanCZM07