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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Approximation of Frequent Itemset Border by Computing Approximate Minimal Hypergraph Transversals
verfasst von : Nicolas Durand, Mohamed Quafafou
Erschienen in: Data Warehousing and Knowledge Discovery
Verlag: Springer International Publishing
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In this paper, we present a new approach to approximate the negative border and the positive border of frequent itemsets. This approach is based on the transition from a border to the other one by computing the minimal transversals of a hypergraph. We also propose a new method to compute approximate minimal hypergraph transversals based on hypergraph reduction. The experiments realized on different data sets show that our propositions to approximate frequent itemset borders produce good results.