4van der Aslst W M P. The application of petri nets to workflow management[ J]. The Journal of Circuits, Systems and Computers, 1998,8(1) :21 -66
5Ellis C A. Information control nets: a mathematical model of office information flow [ A]. In: Conference on Simulation, Measurement and Modelling of Computer Systems [ C ], ACM, New York, 1997:225 - 239
6Alonso G. Advanced transaction models in workflow contexts[ A]. In: Proceedings of the International Conference on Data Engineering[ C], 1996:574 - 581
7Allen R. Workflow: An Introduction[ M ]. WorkFlow Handbook 2002,Open Image Systems Inc. ,2002
8Cardoso J. Workilow Management Systems vs. ERP Systems: Differences, Commonalities, and Applications[ M ]. WorkFlow Handbook 2003,2003
9Jablonski S. MOBILE: a modular workflow model and architecture[ A]. In: Proceedings of the 4th International Working Conference on Dynamic Modelling and Information Systems [C], 1994. Noordwijkerhout, Netherlands
10Stohr E A, Zhao J L. Workflow automation: overview and research issues [ J ]. Information Systems Frontiers, 2001,3 (3) :281 - 196