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作者机构:Korea Naval Acad Dept Management Sci Changwon Si 645797 Kyungsangnam Do South Korea Univ Texas Austin Dept Mech Engn Grad Program Operat Res & Ind Engn Austin TX 78712 USA Northwestern Univ Dept Ind Engn & Management Sci Evanston IL 60208 USA
出 版 物:《OPERATIONS RESEARCH LETTERS》 (运筹学快报)
年 卷 期:2015年第43卷第1期
页 面:59-64页
核心收录:
学科分类:1201[管理学-管理科学与工程(可授管理学、工学学位)] 07[理学] 070104[理学-应用数学] 0701[理学-数学]
基 金:SK-Telecom
主 题:Stochastic spread model Submodular optimization Stochastic integer programming
摘 要:We develop network models to represent the dynamics of a virus spreading in a contact network. Based on the resulting dynamics governing the spread, we present optimization models to rapidly detect the virus. We consider two goals, maximizing the probability of detecting a virus by a time threshold and minimizing the expected time to detection. We establish submodularity results for these objective functions and, using data from a mobile service provider, we show that a greedy heuristic performs surprisingly well. (C) 2014 Elsevier B.V. All rights reserved.