Directional approach to gradual cover: a maximin objective

Tammy Drezner (), Zvi Drezner () and Pawel Kalczynski ()
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Tammy Drezner: California State University-Fullerton
Zvi Drezner: California State University-Fullerton
Pawel Kalczynski: California State University-Fullerton

Computational Management Science, 2020, vol. 17, issue 1, No 7, 139 pages

Abstract: Abstract The objective of original cover location models is to cover demand within a given distance by facilities. Locating a given number of facilities to cover as much demand as possible is referred to as max-cover, and finding the minimum number of facilities required to cover all the demand is referred to as set covering. When the objective is to maximize the minimum cover of demand points, the maximin objective is equivalent to set covering because each demand point is either covered or not. The gradual (or partial) cover replaces abrupt drop from full cover to no cover by defining gradual decline in cover. Both maximizing total cover and maximizing the minimum cover are useful objectives using the gradual cover measure. In this paper we use a recently proposed rule for calculating the joint cover of a demand point by several facilities termed “directional gradual cover”. The objective is to maximize the minimum cover of demand points. The solution approaches were extensively tested on a case study of covering Orange County, California.

Keywords: Cover location models; Partial cover; Gradual cover (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s10287-019-00353-5

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