Optimization method of a frequent item set mining algorithm
A technology of frequent itemsets mining and optimization methods, applied in the field of data processing, can solve the problems that the project performance and cost cannot meet the requirements, frequent itemsets increase invalid frequent itemsets, increase the size of frequent itemsets, etc., so as to improve performance. and user experience, reduce the calculation process and, increase the effect of user experience
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[0024] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0025] Such as figure 1 As shown, an optimization method of frequent itemsets mining algorithm, including:
[0026] Receive data;
[0027] For the received data, use preorder traversal to traverse the itemset tree to arrange the itemsets;
[0028] Compare the parent-subsets of the adjacent itemsets in the arranged itemsets, and merge the itemsets with the relationship between the true subset and the parent set as a result of the comparison;
[0029] Among them, itemset is the abbreviation of frequent itemsets.
[0030] Preferably, the parent-subset comparison includes the subordination relationship of the itemsets and the support of the itemsets.
[0031] Prefer...
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