基于FP-Tree 的最大频繁项目集挖掘及更新算法，这是在美国任教的韩佳伟教授发明的数据挖掘算法，非常经典，值得下载下来研究-FP-Tree based on the maximum frequent itemsets and updating algorithm, which is taught in the United States invented by Professor Han Jiawei data mining algorithms, very classic, worthy of download