此算法主要利用事务数据库建立事务树的方法，由叶子结点反向回溯，导出频繁集。

This algorithm establish transaction-tree which is based on transaction database create frequent itemsetby backdate reversely from leaf nodes.

youdao

此算法主要利用事务数据库建立事务树的方法，由叶子结点反向回溯，导出频繁集。

This algorithm establish transaction-tree which is based on transaction database create frequent itemsetby backdate reversely from leaf nodes.

youdao