candidate item set

基本解释

By carefully organizing candidate item set, it can get good efficiency.
通过合理地组织候选项索引，可以取得较高的效率。
Its characteristic is that the candidate set is adopted by the key word identifies, and at the same time transaction data is compressed by transaction and item.
该算法的特点是：项目集采用关键字识别，同时对事务数据进行事务和项目压缩。
Matching objects in the item set based on downward closure lemma and spatiotemporal topology: we match the objects in order to create the spatiotemporal association candidate set;
基于向下闭合引理，对时空频繁状态表中的对象进行时空拓扑匹配，得到时空关联规则候选集；