http://www.cnblogs.com/topcoderliu/archive/2010/08/13/1798619.html
http://dblab.xmu.edu.cn/topic/research/documentation/
http://blog.csdn.net/opennaive/article/details/7532589
http://www.cnblogs.com/topcoderliu/archive/2010/08/13/1798619.html
http://dblab.xmu.edu.cn/topic/research/documentation/
http://blog.csdn.net/opennaive/article/details/7532589