By utilizing the byte characteristic, DFMfi can optimize the mapping and unifying operations on the item sets. Moreover, for the first time a method based on bitmap which uses local maximal frequent item sets for fast superset checking is employed.
算法DFMfi充分利用位图的字节特性,优化了项集的匹配和合并操作,并首次在其中引入了基于局部最大频繁项集的超集存在判断方法。
参考来源 - 最大频繁项集挖掘算法的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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