...究内容 查询过程就仅需以ranking函数对特定值维度进行索引[20,54]，而处理范围查询[55-58]、最近邻查询（Nearest Neighbor query, NN query）[57,59]等则迫切需要对概率维度进行索引[56]。
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1 最近邻查询 最近邻查询( Nearest Neighbor , NN) 就是对于一个给定 ∀ 6 ∀ 的移动查询对象Mi , 在一定时间段 T 内找出距离Mi 最近的 移...
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In real-time update algorithm of nearest neighbor query of moving objects, safe area is always an irregular convex polygon which is difficult to solve.
在移动对象最近邻查询实时更新算法中，安全区一般是难以求解的不规则凸多边形。
参考来源 - 移动对象最近邻查询实时更新算法The paper studies how to cope with nearest neighbors query over distributed environment and proposes a novel solution, which is capable of answering not only precise query, but also five kinds of approximate queries.
对面向分布式环境的最近邻查询问题进行了研究,提出了一种基于过滤器的新方法,不仅能计算精确查询结果,还能够处理五类近似查询。
参考来源 - 一种实时监控最近邻的近似算法 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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