空间数据仓库技术是将数据仓库和联机分析处理技术应用到空间信息领域，以有效地支持空间数据分析和决策。
Spatial data warehouse is the result of importing the data warehouse and online analysis processing (OLAP) technology into the spatial information area, in order to support spatial data analysis.
联机分析处理把数据的组织由二维平面结构扩充到多维空间结构，并提供了多维数据分析方法。
Online analytical processing expands the framework of data from two-dimensions to multiple-dimensions and provides the method to analyze the multi-dimensional data.
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