At the some time, parameter the method of visualization, the data the system more intuitionistic.

本项目还将可视化的方法引进到参数平台, 使数据的展示更加直观方便.

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With time - parameter R - tree, a novel spatiotemporal histogram was proposed to estimate the selectivity for spatiotemporal querying.

结合TPR - 树索引结构, 构建满足时空查询的直方图,估算时空查询的选择性.

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