并行算法实现wordcount：基于hadoop平台，在Linux上测试： 包括C语言实现的串行算法和Java实现的并行算法。-Parallel algorithm based on hadoop on Linux for wordcount： Including serial algorithm and parallel algorithm based on hadoop.

Hadoop平台上的物品协同过滤程序，使用Java语言编写(A Item Collaborate Filter Program based on Hadoop platform written by Java)

中文文档转成sequencefile文件格式，便于在hadoop下使用操作，java代码(Chinese doc to Sequence File)