Hadoop mapreduce. 基于ItemCF的协同过滤 物品推荐系统

# 基于ItemCF的协同过滤 物品推荐系统 Collaborative filtering goods recommendation system based on ItemCF [](https://github.com/huangyueranbbc/RecommendByItemcf) [](http://hadoop.apache.org/) Step1.run(config, paths); // 格式化 去重 Format reset Step2.run(config, paths); // 计算得分矩阵 Score matrix Step3.run(config, paths); // 计算同现矩阵 Computing co-occurrence matrix Step4.run(config, paths); // 同现矩阵和得分矩阵相乘 Multiply the co-occurrence matrix and the score matrix Step5.run(config, paths); // 把相乘之后的矩阵相加获得结果矩阵 Add the matrix after multiplication to obtain the result matrix Step6.run(config, paths); // 排序推荐 Sort recommendation