Minimizing the Maximum Moving Cost of Interval Coverage

被引：5
|
作者：
Wang, Haitao [1 ]
Zhang, Xiao [2 ]
机构：
[1] Utah State Univ, Dept Comp Sci, Logan, UT 84322 USA
[2] City Univ Hong Kong, Dept Comp Sci, Kowloon Tong, Hong Kong, Peoples R China
来源：
ALGORITHMS AND COMPUTATION, ISAAC 2015 | 2015年 / 9472卷
基金：
美国国家科学基金会;
关键词：
D O I：
10.1007/978-3-662-48971-0_17
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we study an interval coverage problem. We are given n intervals of the same length on a line L and a line segment B on L. Each interval has a nonnegative weight. The goal is to move the intervals along L such that every point of B is covered by at least one interval and the maximum moving cost of all intervals is minimized, where the moving cost of each interval is its moving distance times its weight. Algorithms for the "unweighted" version of this problem have been given before. In this paper, we present a first-known algorithm for this weighted version and our algorithm runs in O(n(2) log n log log n) time. The problem has applications in mobile sensor barrier coverage.
引用
收藏
页码：188 / 198
页数：11
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