反向最近邻查询是空间数据库中最重要的算法之一。
One of the most important algorithms in spatial database is reverse nearest neighbor query.
球面上的最近邻查询在空间数据库最近邻查询领域具有重要的意义。
The nearest neighbor query on the spherical surface has great significance in the nearest neighbor query of the spatial database.
动态环境中的反最近邻查询已成为空间查询的研究热点，有效的数据空间削减策略是此类查询的瓶颈。
The reverse nearest neighbor search in dynamic environments is becoming a hot topic, and an efficient space trimming method is the bottleneck of such a search.
通过修改经典的最近邻查询中距离度量的定义，将移动对象轨迹上最近邻查询和区域查询结合起来进行研究是查询处理算法上一次有益的尝试。
Modifying the classical distance metrics definition in nearest neighbor search, it's a beneficial attempt in querying process that research in combining nearest neighbor query with range 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。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
该文还介绍了三种查询方法：空间选择查询、空间连接查询和最近邻居查询。
The paper presents three methods of spatial queries: spatial Select Query, spatial Joint Query, and Nearest Neighbor Query.
该文还介绍了三种查询方法：空间选择查询、空间连接查询和最近邻居查询。
The paper presents three methods of spatial queries: spatial Select Query, spatial Joint Query, and Nearest Neighbor Query.
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