地名查询：该平台可以接入现有的地址编码服务，用户可以进行位置查询。
Place check: this platform can be related with the address code service and the users can check a place.
实验结果表明，在参数不同取值情况下最优位置查询算法的查询性能仍然高效。
The experimental result shows that the query efficiency of the optimal location query algorithm remains effective with the parameters varying.
针对实际应用的查询要求，提出一种新颖的空间数据库查询类型—最优位置查询。
As to the demand of real application, this paper presents a new kind of spatial query type, best location query.
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