• A hybrid flow shop model for an ice cream production scheduling problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2009-06)
      Article
      Accés obert
      In this paper we address the scheduling problem that comes from an ice cream manufacturing company. This production system can be modelled as a three stage nowait hybrid flow shop with batch dependent setup costs. To ...
    • Hybridizing Beam-ACO with constraint programming for single machine job scheduling 

      Thiruvady, Dhananjay; Blum, Christian; Meyer, Bernd; Ernst, Andreas T. (2009)
      Article
      Accés restringit per política de l'editorial
      A recent line of research concerns the integration of ant colony optimization and constraint programming. Hereby, constraint programming is used for eliminating parts of the search tree during the solution construction of ...