With the data stream represented by compact data structure, process for determination simplified, MFWSR improves the temporal and spatial efficiency while it can response to the requests of user-specified support threshold.
算法通过采用紧致的数据结构和简化的判断过程提高时空效率，支持响应不同用户支持度阈值的查询。
参考来源 - 数据流上的频繁闭项集挖掘算法·2,447,543篇论文数据，部分数据来源于NoteExpress
挖掘这种规则时，可以忽略支持度阈值，因此可同时得到频繁模式和非频繁模式。
When mining such rules, the support threshold can be ignored, so the frequent and infrequent patterns can be produced together.
在固定支持度阈值设置基础上，讨论了可变支持度设置的方法，并进行了比较分析。
At the basis of setting up the fixed threshold about support, discuss the methods of setting up the variable support and comparatively analyze them.
对支持度分布严重倾斜的数据集挖掘时，人们发现现有算法无法选择合适的支持度阈值。
However, we found it is hard to select the appropriate support threshold for datasets with high skewed support distribution by the current mining algorithms.
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