We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
本文总结出空间索引系统应提供的三类空间查询：空间范围查询、最近邻居查询、空间连接查询。
Based on Z curve, the paper presents a method of grid partition, a procedure of partitioning search region, and a high-dimensional spatial range query algorithm.
利用Z曲线聚类和降维特性，本文给出网格划分方法、搜索区域分解过程，提出一种高维空间范围查询算法。
Range producer function to define the search ranges for the spatial index during query execution.
用于定义在查询执行期间空间索引的搜索范围的范围生成器函数。
In a user defined time interval, the predictive continuous range query continuously returns moving objects that will appear in a spatial query range during a future temporal query interval.
预测性连续时空区域查询在用户指定的时间范围期间持续地返回给定未来查询时间范围期间将出现在查询区域的移动对象。
In order to reduce ulteriorly retrieving range for spatial information query and to raise query speed, the retrieving technology oriented class objects in two lev…
为了便于缩小空间范围，快速地进行空间查询检索，引入了面向类对象的分级查询技术，有效地提高了空间查询的速度。
In order to reduce ulteriorly retrieving range for spatial information query and to raise query speed, the retrieving technology oriented class objects in two lev…
为了便于缩小空间范围，快速地进行空间查询检索，引入了面向类对象的分级查询技术，有效地提高了空间查询的速度。
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