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Rtree
- R树是GUTTMAN于1984年提出的最早支持有序扩展的对象存取方法之一,也是目前应用最为广泛的一种空间索引结构,该资料为其的应用。-R tree is one of GUTTMAN first proposed in 1984 to support an orderly expansion of the Object Access Method, is currently the most widely used of a spatial index structure for the app
datamining
- PDF格式的PPT,来自英国南安普顿大学。主要介绍了数据挖掘的技术以及应用,包括决策树,推荐系统,文本聚类,搜索引擎,购物篮子分析。-PPT PDF format, the University of Southampton. It introduces data mining technology and applications, including decision, recommendation systems, text clustering, search engines, sho
