When there are a great many of items and transactions in the database, frequent-pattern growth algorithm needs more additional computer memory, which may cause the lack of memory.

当数据库中的项目数目较大且事务数量巨大时，频繁模式增长算法内存开销很大，可能导致内存空间不足的现象。

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Faster Frequent Pattern Growth (FPGrowth) using FP-bonsai pruning.

采用FP - bonsai pruning而实现更快的频繁模式增长(Frequent Pattern Growtt)算法。

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