数据仓库技术在GIS决策支持中的应用

GIS Decision-marking Support System Application Based on Data Warehousing

针对目前GIS现状 ,初步探讨了GIS数据仓库的基本概念和特征 ,提出了一些关于GIS数据仓库技术应用的观点和方法 ,并利用微软公司的新技术 ,详细论述了GIS数据仓库的建设过程。其中包括对原有的GIS应用和数据源数据的抽取、转换、迁移和结构的调整 ;数据仓库的构成 ;用于GIS决策支持的联机分析处理和数据挖掘。

For the current GIS situation,this study primarily disscussed the basic concepts and features of the GIS Data ware housing. Some opinions and methods concerned about the application of the GIS Data ware housing were proposed. The process of constructing the GIS Data ware housing with new techniques of the microsoft company were stated in details including adjusting the construction,refining,converting and moving the original Data;the composing of the data warehouse;the on-line Analytical processing and the data mining for the GIS Decision Supporting System.