维普中文期刊产品整合服务

An integrated geospatial information service system for disaster management in China

查看全文 作　　者：Yulin [1,2]Ding;Yida [3]Fan;Zhiqiang [1]Du;Qing [1,4]Zhu;Wei [3]Wang;Sanchao [3]Liu;Hui [2]Lin 高影响力作者 机构地区：[1]State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan,P.R.China;[2]Institute of Space and Earth Information Science,the Chinese University of Hong Kong,Hong Kong,P.R.China;[3]National Disaster Reduction Center of China,Ministry of Civil Affairs,Beijing,P.R.China;[4]National-Local Joint Engineering Laboratory of Spatial Information Technology for High-speed Railway Running Safety,Southwest Jiaotong University,Chengdu,P.R.China高影响力机构 出　　处：《International Journal of Digital Earth》索引2015年第8卷第11期,共28页高影响力期刊 基　　金：This study was supported by the National Science and Technology Support Program of China[863 Program,grant number 03-Y30B06-9001-13/15,grant number 2012AA121305];the National Natural Science Foundation[grant number 41171311,grant number 41101354,grant number 41201440]. 摘　　要：The Chinese Government and citizens face enormous challenges of disaster management as widespread devastation,economic damages,and loss of human lives caused by increasing natural disasters.Disaster management requires a complicated iterative process that includes disaster monitoring,early detection,forecasting,loss assessment,and efficient analysis of disaster reduction.Each task typically involves the use of technologists and multiple geospatial information resources,including sensors,data sources,models,geo-tools,software packages,and computing resources.However,most existing disaster management systems operate in a typical passive data-centric mode,where resources cannot be fully utilized.This impediment is partially being addressed by the increasingly complex application requirements and the growing availability of diverse resources.In this paper,we summarize and analyze the practical problems experienced by the National Disaster Reduction Application System of China.To address the issues of data-centric,centralized,isolated solutions,we propose a novel Focusing Service Mechanism,which is capable of scheduling and allocating for optimum utilization of multiple resources,to dynamically generate collaborative and on-demand disaster information services.We also demonstrate the design and implementation of the Integrated Disaster Information Service System(IDISS).Through the service strategies of Virtualizing,Wrapping,and Integrating,disasterrelated resources are constructed into services in the IDISS.These services are dynamically aggregated into focusing service chains,for diverse disaster management tasks.Actual applications illustrate that the proposed service system can significantly improve the capability of disaster management in China. 关 键 词：disaster management system focusing service mechanism active ondemand disaster information service resource integration and collaboration
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