1Weske M, Vossen G, Mederos C B. Workflow Management in Geoprocessing Applications. Proceeding of 6th ACM International Symposium Geographic Information Systems-ACMGIS' 98. Washington:1998. 88-93
2Marr A J, Pascoe R T, Benwell G L, et al. Development of a Generic System for Modeling Spatial Processes. Computers, Environment and Urban Systems, 1998, 22(1): 57-69
3Alonso G, Abbadi A. Cooperative Modeling in Applied Geographic Research. International Journal of Intelligent and Cooperative Information Systems, 1994, 3(1): 83-102
4Alonso G, Hagen C. Geo-Opera: Workflow Concepts for Spatial Processes. Proceedings of Advances in Spatial Databases. Berlin/Heidelberg/New York:Springer Verlag, 1995. 238-257
5Seffino L A, Medeiros C B, Rocha J V,et al. WOODSS-A Spatial Decision Support System Based on Workflows. Decision Support Systems, 1999, 27: 105-123
6WfMC. Terminology and Glossary. Workflow Management Coalition, 1999
7Michael W. GIS: A Computing Perspective. London: Taylor & Francis, 1995
8OpenGIS. OpenGIS Simple Feature Specification for OLE/COM, Open GIS Consortium, 1999
9Albrecht J. Universal Analytical GIS Operation-A Task-Oriented Systematization of Data Structure- Independent GIS Functionality. In: Craglia M, Onsrud H. Geographic Information Research: Transatlantic Perspectives. London:Taylor & Francis, 1998. 557~