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  • Open Access English
    Authors: 
    Alejandro Saavedra-Nieves; MARIA GLORIA FIESTRAS-JANEIRO;
    Publisher: Elsevier
    Country: Spain

    This paper addresses several mechanisms for overall ranking Decision Making Units (DMUs) according to the contribution of DMUs to the relative efficiency score of a merger considering aggregate units The possible organization of agents outside each possible merger natur...

  • Open Access English
    Authors: 
    José Mª Alonso-Meijide; Mikel Álvarez-Mozos; M. G. Fiestras-Janeiro; Andrés Jiménez-Losada;
    Publisher: Springer
    Country: Spain

    In this paper an order on the set of embedded coalitions is studied in detail. This allows us to define new notions of superaddivity and convexity of games in partition function form which are compared to other proposals in the literature. The main results are two chara...

  • Publication . Article . Preprint . 2021 . Embargo End Date: 01 Jan 2021
    Open Access
    Authors: 
    Laura Davila-Pena; Ignacio García-Jurado; Balbina Casas-Méndez;
    Publisher: arXiv
    Country: Spain

    Financiado para publicación en acceso aberto: Universidade da Coruña/CISUG [Abstract] This paper deals with an important subject in classification problems addressed by machine learning techniques: the evaluation of the influence of each of the features on the classific...

  • Open Access
    Authors: 
    Jop Schouten; Alejandro Saavedra-Nieves; M. Gloria Fiestras-Janeiro;
    Publisher: European Journal of Operational Research
    Countries: Spain, Netherlands

    This paper considers sequencing situations with non-linear cost functions under optimal order consistency. Specifically, we study sequencing situations with discounting cost functions and logarithmic cost functions of the completion time. In both settings, we show that ...

  • Open Access English
    Authors: 
    Laura Davila-Pena; David R. Penas; Balbina Casas-Méndez;
    Publisher: Wiley
    Country: Spain

    This paper presents a new formulation for the routing problem in which the available fleet consists of trucks and trailers divided into compartments. Solving the model for large instances is computationally expensive. Therefore, we introduce and implemented a two-phase ...

  • Open Access English
    Authors: 
    Jorge Rodríguez-Veiga; María José Ginzo-Villamayor; Balbina Casas-Méndez;
    Publisher: MDPI AG
    Country: Spain

    Optimal planning of the amount and type of resources needed for extinguishing a forest fire is a task that has been addressed in the literature, using models obtained from operational research. In this study, a general integer linear programming model is proposed, which...

  • Open Access English
    Authors: 
    Jorge Rodríguez-Veiga; Iván Gómez-Costa; María José Ginzo-Villamayor; Balbina Casas-Méndez; José Luis Sáiz-Díaz;
    Publisher: Oxford University Press
    Country: Spain

    This is a pre-copyedited, author-produced version of an article accepted for publication in Forest Science following peer review. The version of record Rodríguez-Veiga, J., Gómez-Costa, I., Ginzo-Villamayor, M., Casas-Méndez, B., & Sáiz-Díaz, J. (2018). Assignment Probl...

  • Open Access
    Authors: 
    Saavedra Nieves, Alejandro;
    Publisher: Estatística e investigación operativa
    Country: Spain

    The analysis of situations of multi-agent cooperation has received much attention in recent years. The study of these is based on the determination of the optimal policy for the involved agents in each scenario, which, from an economic point of view, has to reduce the j...