Abstract
Spatial information is a kind of basic and important resource which is needed to be widely shared and applied. But some problems, such as distributed enormous data, heterogeneous data format and system structure, complex processing, and etc, restrict the applications and research of spatial information. Grid can implement large-scale distributed resource sharing, so it provides an effective way to share and integrate spatial information on the web. Based on grid, Web services and OpenGIS specifications, a new service-oriented application grid named Spatial Information Grid (SIG) is proposed. Considering actual application demands, system architecture and service composition are two of the most important research issues of SIG. Then, an open SIG architecture is built, and some key issues of SIG service composition are discussed in detail, i.e. SIG service semigroup, a novel service composition model based on Petri net and graph theory (Service/Resource Net, SRN), and a dynamic service selection model.
This work is supported in part by the National High Technology Research and Development 863 Program of China (Grant Nos.2002AA104220, 2002AA131010, 2002AA134010).
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Tang, Y., Jing, N. (2004). Research on System Architecture and Service Composition of Spatial Information Grid. In: Jin, H., Pan, Y., Xiao, N., Sun, J. (eds) Grid and Cooperative Computing - GCC 2004 Workshops. GCC 2004. Lecture Notes in Computer Science, vol 3252. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30207-0_16
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DOI: https://doi.org/10.1007/978-3-540-30207-0_16
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