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泰迪华南杯数据挖掘竞赛论文报告
目录
一、绪论.......................................................................................................................... 3
1.1 研究背景 ............................................................................................................ 3
1.2 推荐算法简述 ..................................................................................................... 3
1.3 论文框架 ............................................................................................................ 4
二、协同过滤算法............................................................................................................ 4
2.1 基于用户的最近邻推荐 ....................................................................................... 4
2.1.1 算法简介 ................................................................................................... 4
2.1.2 算法表示 ................................................................................................... 4
2.1.3 代码分析 ................................................................................................... 6
2.2 基于物品的最近邻推荐 ....................................................................................... 6
2.3 Slop One 算法 ...................................................................................................... 6
2.3.1 算法简介.................................................................................................... 6
2.3.2 算法表示.................................................................................................... 6
2.3.3 代码分析 ................................................................................................... 8
三、算法优化................................................................................................................... 8
3.1 并行编程模式 ..................................................................................................... 8
3.1.1 MapReduce 简介 ......................................................................................... 8
3.1.2 MapReduce 在 python 中的实现................................................................... 9
3.1.3MapReduce 的实际应用 ............................................................................... 9
3.2 简化技术 SVD .................................................................................................... 10
四、实验仿真结果与分析 ............................................................................................... 10
4.1 数据集 .............................................................................................................. 10
4.2 度量标准 .......................................................................................................... 10
4.3 实验结果 .......................................................................................................... 11
五、GUI 设计 ................................................................................................................. 13
参考文献........................................................................................................................ 14