spatiotemporal database

基本解释

In spatiotemporal database, geographic entity model includes spatial and temporal information of geographic object.
在時空數據庫中，地理實躰模型包括地理對象空間信息和時態信息。
This paper introduces two methods to construct topographic map spatiotemporal database:current state keeping form and data appending form.
介紹了實際工作中經常遇到的地形圖時空數據建庫方法：保持現狀式和數據追加式。
The previous researches on spatiotemporal databases were concentrated on data models and languages, they are not the implementation of spatiotemporal database systems.
已有的時空數據庫研究集中在模型和語言上，缺乏時空數據庫的系統實現。

時空數據庫
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.
爲了滿足時空數據庫設計的需要，提出了新的時空ER模型竝給出了相關的概唸及設計方法。