6OMG. Business process modeling notation(BPMN)version 1.2 [EB/OL ]. [ 2009-01-03 ]. http://www, omg. org/spee/ BPMN/1.2/PDF.
7WfMC.Process definition interface-XML process definition language version 2.1[EB/OL].[2008-03-24].http.//www.wfmc.org.
8OASIS.Web services business process execution language version 2.0[EB/OL].[2007-04-11].http,//docs.Oasis-open.org/wsbpel/2.0/OS/wsbpel-v2.0-OS.pdf.
9OUYANG C,DUMAS M,TER HOFSTEDE A H M,et al.From BPMN process models to BPEL Web services[C]//Proceedings of IEEE International Conference on Web Services (ICWS'06).Washington,D.C.,USA:IEEE Computer Society,2006:285-292.
10HORNUNG T,KOSCHMIDER A,MENDLING J.Integration of heterogeneous BPM schemas:the case of XPDL and BPEL[EB/OL].[2009-01-09].http://www.Mendling.com/ publieations/06-CAISE-FORUM.pdf.