Abstract：Due to lack of the analytical function for spatial data in emergency information systems, based on the GIS functions, the paper designs a method for calculating spatial relationship between emergency spots and surrounding geographical factors, and then integrates these factors in the process of emergency information analysis. Finally, a filtering method is proposed to figure out the meaningful spatial information from huge amount of spatial predicates, and realize the spatial enabled function of emergency knowledge discovery.
樊博. 应急信息系统中空间预警情报的提取方法研究[J]. 现代图书情报技术, 2011, 27(9): 54-59.
Fan Bo. The Computation Method for Key Spatial Information in Emergency Information System. New Technology of Library and Information Service, 2011, 27(9): 54-59.
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