NDLI: Uma Aproximação para o Problema de Alocação de Terminais com Capacidade

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Uma Aproximação para o Problema de Alocação de Terminais com Capacidade

Content Provider	Semantic Scholar
Author	Pedrosa, Lehilton L. C. Souzay, Vinícius Balbino De
Copyright Year	2017
Abstract	We consider the Capacitated p-Hub Center Problem. An instance comprises a metric space V , a set of demandsD ⊆ V , a number of hubs p, and a capacity L. A solution is a multiset S of locations where to install hubs with \|S\| ≤ p and an assignment from each demand to a hub such that no hub receives more than L demands. The objective is to find the solution that minimizes the maximum cost of serving a demand through the assigned hub. In this work, we give the first approximation algorithm for the problem, that achieves factor 7. Resumo. Consideramos o Problema de Alocação de Terminais com Capacidade. Uma instância é composta de um espaço métrico V , um conjunto de demandas D ⊆ V , um número de terminais p e uma capacidade L. Uma solução é um multiconjunto S de locais para instalar terminais com \|S\| ≤ p e, para cada demanda, um terminal associado de forma que nenhum deles receba mais de L demandas. O objetivo é encontrar uma solução que minimiza o maior custo de servir uma demanda através do terminal atribuı́do. Neste trabalho, obtemos o primeiro algoritmo de aproximação para o problema, com fator 7.
File Format	PDF HTM / HTML
DOI	10.5753/etc.2017.3206
Alternate Webpage(s)	http://www.ic.unicamp.br/~rafael/publicacoes/csbc2016/p-hub.pdf
Alternate Webpage(s)	https://sol.sbc.org.br/index.php/etc/article/download/3206/3168
Alternate Webpage(s)	https://sol.sbc.org.br/index.php/etc/article/download/9834/9734
Alternate Webpage(s)	https://doi.org/10.5753/etc.2017.3206
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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