8Yang Mingktti,Hang Hongbing,Xu Bin. S-WIMS:A Service-based Work- flow Management System in Grid Environment. Proceedings of the 19th International Conference on Advanced Information Networking and Applications. 2005.
9WfMC-TC-1025,1. O(BetaStatus). Workflow Management Coalition: Workflow Process Definition Interface-XML Process Definition Language[s]. 2002.