1. W.M.P. van der Aalst and A. Kumar. XML Based Schema Definition for Support of Inter-organizational Workflow. In Proc. 21st International Conference on Application and Theory of Petri Nets (ICATPN 2000), Aarhus, Denmark (2000)
2. Lect Notes Comput Sci;W. M. P. Aalst van der,2001
3. S. Abiteboul and A. Bonner. Objects and Views. In Proceedings of ACM SIGMOD Conference, 1991.
4. G. Alonso, et al. Exotica/FMDC: a workflow management system for mobile and disconnected clients. Distributed & Parallel Databases, 4(3):229–247, 1996.
5. Ting Cai, Peter A. Gloor, Saurab Nog, DartFlow: A Workflow Management System on the Web using Transportable Agents, Technical Report PCS-TR96-283, Dartmouth College, Hanover, N.H., 1996.