This paper analyzes the current Database Systems in GIS, then a new Spatial Database System Model (SDB-SM) is introduced, which adapt to intelligent Spatial Decision Support System (SDSS).
文章通过对现有GIS中空间数据库系统模型的分析与比较，提出了一个适用于智能化空间决策支持系统(SDSS)的空间数据库系统模型。
Pavement management system was described in detail from the establishment of database, attribute database, spatial database, evaluation model of pavement performance and so on.
从数据库构建、属性数据库和空间数据库、路面使用性能评价模型等方面比较详细地介绍了路面管理系统。
After studying the analysis and comparison of the realization techniques of spatial database system and spatial data mining systems, we propose a development model of spatial data mining system.
在对空间数据库系统实现技术及空间数据挖掘系统等进行比较分析的基础上，提出了一种空间数据挖掘系统的实现模式。
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