نتایج جستجو برای: facility location problem dea

تعداد نتایج: 1138498  

Location theory is one of the most important topics in optimization and operations research. In location problems, the goal is to find the location of one or more facilities in a way such that some criteria such as transportation costs, customer traveling distance, total service time, and cost of servicing are optimized. In this paper, we investigate the goal Weber location problem in which the...

2008
Chandrashekhar Nagarajan David P. Williamson

We study the problem of leasing facilities over time, following the general infrastructure leasing problem framework introduced by Anthony and Gupta [1]. If there are K different lease types, Anthony and Gupta give an O(K)-approximation algorithm for the problem. We are able to improve this to a 3-approximation algorithm by using a variant of the primal-dual facility location algorithm of Jain ...

Journal: :Inf. Sci. 2009
Peijun Guo

In this paper, fuzzy DEA (data envelopment analysis) models are proposed for evaluating the efficiencies of objects with fuzzy input and output data. The obtained efficiencies are also fuzzy numbers that reflect the inherent ambiguity in evaluation problems under uncertainty. An aggregation model for integrating fuzzy attribute values is provided in order to rank objects objectively. Using the ...

Journal: :IEEJ Transactions on Electronics, Information and Systems 2008

Journal: :Electronic Notes in Discrete Mathematics 2012

Journal: :Uluslararası Muhendislik Arastirma ve Gelistirme Dergisi 2020

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