A spatiotemporal data model is proposed to represent dynamic road networks based on base State with Amendments model and object-version management theories.
基于基态修正模型以及对象版本管理的思想，提出用于动态道路网络数据管理的时空数据模型。
The base state with amendments model is used widely as a spatiotemporal data model.
基态修正模型是目前应用较广的一种时空数据模型。
The computer retrieves from a data base stored data indicative of a stored state of the unit.
结果，可以防止存储于主机的单元状态数据与实际的单元状态数据之间的不一致。
In this paper, the author studied the methods of spatiotemporal data updating and query on the basis of base state with amendments model.
本文在基态修正模型的基础上，对时空数据更新和查询的方法进行探讨。
The model plays a significant effect in solving the problems of the traditional spatiotemporal data model based on base state with amendments in existence.
该模型在解决传统基态修正时空数据库模型存在的问题方面起到了显著的效果。
The model plays a significant effect in solving the problems of the traditional spatiotemporal data model based on base state with amendments in existence.
该模型在解决传统基态修正时空数据库模型存在的问题方面起到了显著的效果。
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