Solution methods for the bi-objective (cost-coverage) unconstrained facility location problem with an illustrative example

@article{Villegas2006SolutionMF,
  title={Solution methods for the bi-objective (cost-coverage) unconstrained facility location problem with an illustrative example},
  author={Juan Guillermo Villegas and Fernando Palacios and Andr{\'e}s L. Medaglia},
  journal={Annals of Operations Research},
  year={2006},
  volume={147},
  pages={109-141}
}
The Colombian coffee supply network, managed by the Federación Nacional de Cafeteros de Colombia (Colombian National Coffee-Growers Federation), requires slimming down operational costs while continuing to provide a high level of service in terms of coverage to its affiliated coffee growers. We model this problem as a biobjective (cost-coverage) uncapacitated facility location problem (BOUFLP). We designed and implemented three different algorithms for the BOUFLP that are able to obtain a good… 
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