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Dũng Nguyễn
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Publications (15)
Set Cover is a fundamental problem in combinatorial optimization which has been studied for many decades due to its various applications across multiple domains. In many of these domains, the input data consists of locations, relationships, and other sensitive information of individuals which may leaked due to the set cover output. Attempts have be...
TÓM TẮT Đặt vấn đề: Sàng lọc HIV, HCV, HBV và giang mai cho người hiến máu (NHM) là xét nghiệm bắt buộc theo quy định của Thông tư 26/TT-BYT để phát hiện, tư vấn, chăm sóc sức khỏe cho NHM, đồng thời đây cũng là một biện pháp hữu hiệu để phòng lây nhiễm HIV, HBV, HCV và giang mai cho người nhận máu. Mục tiêu nghiên cứu: Khảo sát kết quả sàng lọc HI...
Bench‐scale batch tests were conducted to assess the potential applicability of a combined separation/concentration/destruction treatment train to address soils and sediments impacted by per‐ and polyfluoroalkyl substances (PFAS) contamination at Schriever Space Force Base with historic aqueous film‐forming foam (AFFF). Specifically, a novel treatm...
Air-water interfacial retention of poly- and perfluoroalkyl substances (PFASs) is increasingly recognized as an important environmental process. Herein, column transport experiments were used to measure air-water interfacial partitioning values for several perfluoroalkyl ethers and for PFASs derived from aqueous film-forming foam, while batch exper...
It was observed in \citet{gupta2009differentially} that the Set Cover problem has strong impossibility results under differential privacy. In our work, we observe that these hardness results dissolve when we turn to the Partial Set Cover problem, where we only need to cover a $\rho$-fraction of the elements in the universe, for some $\rho\in(0,1)$....
Perfluoroalkyl ether carboxylic acids (PFECAs) are a growing environmental concern, and thus their migration in unsaturated soils is receiving increased interest. In this study, sorption of four PFECAs at the air-water interface was measured in unsaturated sand columns under static (no flow) conditions following gravity drainage to assess the appro...