摘要： 为了满足时空数据库设计的需要，提出了新的时空ER模型并给出了相关的概念及设计方法。这种模型可以方便时空数据的建模，为数据库的设计提供有效的方法。

关键词: 时空ER模型, 时态信息, 空间信息

Abstract: In order to adapt to the design requirement of spatiotemporal database, this article proposes a new spatiotemporal ER enhanced model and introduces its relevant concept as well as design method. The model can make the modeling of spatiotemporal data convenient and provide firm basis for the design of database.

中图分类号: 

• TP311.5