Low Discrepancy Sets Yield Approximate Min-Wise Independent Permutation Families

Low Discrepancy Sets Yield Approximate Min-Wise Independent Permutation Families
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低差异集产生近似最小独立排列族

DOI:
10.1007/978-3-540-48413-4_2
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发表时间:
1999
期刊:
Inf. Process. Lett.
影响因子:
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通讯作者:
David Zuckerman
David Zuckerman
中科院分区:
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文献类型:
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作者:
M. Saks;A. Srinivasan;Shiyu Zhou;David Zuckerman

文献摘要

被引文献

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受过滤近似重复Web文档的问题的启发,Broder,Charikar,Frieze和Mitzenmacher定义了以下e-近似最小独立置换族的概念[2]。一个{0,1,.}的排列的多集合\(\mathcal{F}\)。,n-1}是这样的族,如果对所有K ∈ {0,1,...,n-1}且任意x ∈ K,随机一致选取的置换π形成\(\mathcal{F}\)
Motivated by a problem of filtering near-duplicate Web documents, Broder, Charikar, Frieze & Mitzenmacher defined the following notion of e-approximate min-wise independent permutation families [2]. A multiset \(\mathcal{F}\) of permutations of {0,1, ... , n–1} is such a family if for all K ⊆ {0,1, ..., n–1} and any x ∈ K, a permutation π chosen uniformly at random form \(\mathcal{F}\) statisfies