空间数据集成研究--以空间数据仓库的构建为例

随着空间数据复杂性的增加，现有的空间数据库和空间分析工具已经不能提供足够的决策支持，迫切需要建立大量具有历史数据，以及不同尺度的空间数据仓库．在建设空间数据仓库的过程中，数据集成是一个重要的环节，专门针对空问数据的集成更是一项艰巨的工作，本文在研究了现有的空间数据库，空间数据仓库以及空间数据集成的基础上，首先探讨了空间数据仓库模型的建立过程，然后系统提出了面向空间数据仓库数据模型的数据集成的两个主要的方面：不同数据源的空间数据的集成；不同尺度维上的空间数据的集成.

Research into spatial data integration--Taking the building of the spatial data warehouse as an example

With the growing complexity of spatial data, present data database and data analyzing tool can't give enough help to decision-making, so it is necessary to establish many spatial data warehouses with much history data and on different scale. During the process of spatial data warehouses building, data integration is an important step and especially spatial data integration is a rough job. Based on present database, spatial data warehouse and spatial data integration, the article discusses thoroughly about the process of building the model of the spatial data warehouse and brings out systematically two aspects on data integration orientated to spatial data warehouse: one about data integration of different data resources, the other about data integration of different scale.