The contributions of this paper are as the followings:(1) A simple spatial join algorithm is constructed by the single point query for spatiotemporal datasets.
利用时空数据集的单点查询方法，组成了一种比较朴素的时空连接的算法。
The contributions of this paper are as the followings:(1) A simple spatial join algorithm is constructed by the single point query for spatiotemporal datasets.
利用时空数据集的单点查询方法，组成了一种比较朴素的时空连接的算法。
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