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Creators/Authors contains: "Nguyen, Hoai-An"

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  1. ; ; ; ; ; ; (, Proceedings of Machine Learning Research)
    In the maximum coverage problem we are given d subsets from a universe [n], and the goal is to output k subsets such that their union covers the largest possible number of distinct items. We present the first algorithm for maximum coverage in the turnstile streaming model, where updates which insert or delete an item from a subset come one-by-one. Notably our algorithm only uses polylogn update time. We also present turnstile streaming algorithms for targeted and general fingerprinting for risk management where the goal is to determine which features pose the greatest re-identification risk in a dataset. As part of our work, we give a result of independent interest: an algorithm to estimate the complement of the pth frequency moment of a vector for p ≥ 2. Empirical evaluation confirms the practicality of our fingerprinting algorithms demonstrating a speedup of up to 210x over prior work. 
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    Free, publicly-accessible full text available July 13, 2026
  2. ; (, Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques, {APPROX/RANDOM} 2022, September 19-21, 2022, University of Illinois, Urbana-Champaign, {USA} (Virtual Conference))
    Accepted Manuscript Full Text Available