参考文档:http://blog.csdn.net/lawrencesgj/article/details/8606570
源代码:
https://github.com/shenguojun/hadoop/tree/master/WebKmeans/src/edu/sysu/shen/hadoop
https://github.com/shenguojun/hadoop/blob/master/WebKmeans/src/edu/sysu/shen/hadoop/Kmeans.java
http://blog.csdn.net/july_2/article/details/8905502