1Chang E,Gautama E,Dillon T S.Extended activity diagrams for adaptive workflow modeling[C] //Proc of the 4th IEEE Int Symp on Object-Oriented Real-Time Distributed Computing.Piscataway,NJ:IEEE,2001:413-418.
2Son J H,Kim J H,Kim M H.Hard/soft deadline assignment for high workflow throughput[C] //Proc of the 1999 Int Symp on Database Applications in Non-Traditional Environments.Washington,DC:IEEE Computer Society,1999:272-278.
3Eder J,Panagos F,Rabinovich M.Time constraints in workflow systems[C] //Proc of the Conf on Advanced Information Sytems Engineering.Berlin:Springer,1999:286-300.
4Panagos E,Rabinovich M.Reducing escalation-related costs in WFMSS[C] //Proc of NATO Advanced Study Institue on Workflow Management Systems and Interoperability.Berlin:Springer,1997:106-128.
5Workflow Management Coalition.WFMC-TC-1011.Workflow Management Coalition Specification Terminology and Glossary[S/OL].1999[2010-04-16].http://wfmc.org/Download-document/TC-1011-Term-Glossary-V3.html.
6Mohan C.Recent trends in workflow management products,standards and research[EB/OL].[2010-04-16].http://www.imamu.edu.sa/Scientific_selections/abstracts/Abstract IT 2/Recent Trends in Workflow Management Products,Standards and Resarch.pdf.
7Rusinkiewicz M,Sheth A.Specification and execution of transactional workflows[C] //WonKimed.Modern Database Systems:The Object Model,Interoperability,and Beyond.New York:ACM,1995:592-620.
8Van der Aalst W M P.Three good reasons for using a Petri-net-based workflow management system[C/OL] //Proc of the Int Working Conf on Information and Process Integration in Enterprises(IPIC96).1996[2010-04-20].http://citeseerx.ist.psu.edu/viewdoc/download? doi=10.1.1.33.960 &rep=rep1&type=pdf.
