Heuristic directional search optimal path algorithm based on the variable raster model(基于变分辨率栅格模型的启发式有向搜索最优路径算法) Tekijä HUAJianfeng(华剑锋), ZHANGFeng(张丰), DUZhenhong(杜震洪), LIURenyi(刘仁义), LIRongya(李荣亚)

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Research of kNN algorithm based on MapReduce and double levels of inverted grid index(基于MapReduce和双层倒排网格索引的kNN算法) Tekijä ZHAOMinchao(赵敏超), DUZhenhong(杜震洪), ZHANGFeng(张丰), LIURenyi(刘仁义), LIRongya(李荣亚)

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Spatial overlay analysis of land use vector data based on Spark(基于Spark的土地利用矢量数据空间叠加分析方法) Tekijä JINFengying(靳凤营), ZHANGFeng(张丰), DUZhenhong(杜震洪), LIURenyi(刘仁义), LIRongya(李荣亚)

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Data currency evaluation method of the second national land survey(第二次全国土地调查成果现势性评估方法) Tekijä GUOLyuyi(郭绿奕), DAIYunzhuo(戴韫卓), DUZhenhong(杜震洪), ZHANGFeng(张丰), LIRongya(李荣亚)

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