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Prototyping an open environment for sharing geographical analysis models on cloud computing platform

查看全文 作　　者：Yongning [1,3]Wen;Min [2]Chen;Guonian [1]Lu;Hui [2]Lin;Li [1]He;Songshan [1]Yue 高影响力作者 机构地区：[1]Key Laboratory of Virtual Geographic Environment(Ministry of Education of China),Nanjing Normal University,Nanjing,China;[2]Institute of Space and Earth Information Science,The Chinese University of Hong Kong,Shatin,Hong Kong;[3]State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan,China高影响力机构 出　　处：《International Journal of Digital Earth》索引2013年第6卷第4期,共27页高影响力期刊 基　　金：The work described in this article was supported by the Key Program of National Natural Science Foundation of China(Grant No.40730527);the National Natural Science Foundation of China(Grant No.41001223,Grant No.41101439);the open fund from the Guangdong Key Laboratory for Urbanization and Geo-simulation in Sun Yat-sen University. 摘　　要：The sharing of geographical analysis models is of crucial importance for simulating geographic processes and phenomena in the current geographical information systems(e.g.Digital Earth),but there remain some issues that have not been completely resolved.The challenges include,eliminating model heterogeneity and searching for suitable infrastructures to support the open sharing and effective execution of models.Taking advantage of cloud computing,this article aims to address the above issues and develop an open environment for geographical analysis model sharing.On the basis of the analysis of the applicability of cloud computing,the architecture of the open environment is proposed.More importantly,key strategies designed for heterogeneous model description,model encapsulating as well as model deploying and transparent accessing in the cloud are discussed in detail to establish such an environment.Finally,the prototype environment is implemented,and experiments were conducted to verify the environment’s feasibility to support the sharing of geographical analysis models. 关 键 词：geographical analysis models cloud computing open environment
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