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市场营销风险的信息分析 被引量:4
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作者 张雪莲 《情报杂志》 CSSCI 北大核心 2003年第2期52-53,共2页
介绍了市场营销风险信息分析的内涵、特征。
关键词 市场营销 营销风险 信息分析 信息分析目录 信息分析对象 信息搜集 企业
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Network Analysis Modeling Towards GIS Based on Object-Relation Database
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作者 YUEPeng WANGYandong +1 位作者 GONGJianya HUANGXianfeng 《Geo-Spatial Information Science》 2004年第3期174-179,共6页
This paper compares the differences between the mathematical model in graph theory and GIS network analysis model. Thus it claims that the GIS network analysis model needs to solve. Then this paper introduces the spat... This paper compares the differences between the mathematical model in graph theory and GIS network analysis model. Thus it claims that the GIS network analysis model needs to solve. Then this paper introduces the spatial data management methods in object\|relation database for GIS and discusses its effects on the network analysis model. Finally it puts forward the GIS network analysis model based on the object\|relation database. The structure of the model is introduced in detail and research is done to the internal and external memory data structure of the model. The results show that it performs well in practice. 展开更多
关键词 network analysis GIS object-relation database
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