To make further improvement on the scalability of the algorithm, we made a further study on the Pattern tree, and proposed a new algorithm called FP-DFS based on the study.

• 为了进一步提高频繁项集挖掘算法的可扩展性，本文对模式树进行了细致的研究，在此基础上提出了一种挖掘频繁项集的新算法，FP-DFS算法。