3Yue Peng,Di Liping , Yang Wenli, et al. Semantics Web Service-based Process Planning for Earth Science Applieations[J].International Journal of Geographical Information Science, 2009,23(9) : 1 139.
4Lorenzino V, Pavel S, Maurizio M. A Oeo-serviee Semantic Integration in Spatial Data Infrastructures[J]. International Journal of Spatial Data Infrastructures Research, 2009, 4:24-51.
5Miller J. MDA Guide Version 1. 0.1[OL]. http:// www. omg. org/cgi-bin/doc? omg/03-06-01, 2010.
6Martin D. OWL S: Semantic Markup for Web Services[OL]. http://www, w3. org/Submission/ OWL-S, 2010.
7Van Der Aalst W, Ter Hofstede A, Kiepuszewski B, et al. Workflow Patterns[J]. Distributed and Parallel Databases, 2003, 14(1): 5-51.