In addition, while mining association rules with negative items, because of the introduction of negative item, the searching space of frequent itemsets has become greater, and at the same time the number of negative association rules also increased.
另外,在含负项目的关联规则挖掘中,由于负项目的引入使得频繁项集的搜索空间变得更加巨大,而同时挖掘出的负关联规则数量也随之增大。
参考来源 - 含负项目的关联规则挖掘算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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