1[1]Rob Allen. Open Image System Inc etc. Workflow:An Introduction,1996
2[2]WfMC.Workflow Management Coalition Reference Model Interface 4Workflow Interoperability. 1996
3[1]BARBUCEANU M, FOX M S. The information agent: an infrastructure agent supporting collaborative enterprise architectures [A]. 3rd Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises [C]. Morgantown, West Virginia:IEEE Press,1994.112-116.
4[4]Bernard Burg. Agents in the world of active Web-services[EB]. www.hpl.hp.com/org/stl/maas/docs/ HPL-2001-295.pdf,2001-11.
5[5]CHRISTENSEN E, CURBERA F, MEREDITH G, et al.Web services description language 1.1[EB]. http://www.w3.org/TR/2001/NOTE-wsdl,2001-03-15.