MapReduceEx experiments and exercise about map reduce Description hadoop-core-1.2.1.jar is for skipping windows permissions check. Word Count Flow Sum Inverted Index Sentiment Analysis // TODO Auto Complete // TODO Page Rank // TODO Recommender System Reference: 使用Java API方式的MapReduce练习 用Hadoop构建电影推荐系统 Mapreduce(MR)读取配置文件的三种方式，遍历HDFS目录文件