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
If the delta is ever negative, consider that an error, as you should never get an item from the queue with an earlier trigger time, when the delay has ended.
如果时间差是负数，可以视为一个错误，因为永远不会在延迟时间结束后，在一个更早的触发时间从队列中取得项。
One of the things I learned when I started running, about two years ago, what how to replace negative thoughts (see next item) with positive ones.
二年前，当我学习跑步时，我学到的一件事情是如何用积极的想法来取代消极的想法(见下一条)。
One eof the things I learned when I started running, about two years ago, what how to replace negative thoughts (see next item) with positive ones.
二年前，当我学习跑步时，我学到的一件事情是如何用积极的想法来取代消极的想法(见下一条)。
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