TY - JOUR AU - Caballero Roldán, Rafael AU - Stuckey, Peter J. AU - Tenorio Fornés, Ámbar PY - 2015 DO - 10.1016/j.scico.2015.04.007 SN - 0167-6423 UR - https://hdl.handle.net/20.500.14352/24376 T2 - Science of Computer Programming AB - In this paper we present two type extensions for the modelling language MiniZinc that allow the representation of some problems in a more natural way. The first proposal, called MiniZinc? , extends existing types with additional values. The user can... LA - eng M2 - 156 PB - Elsevier KW - Constraint Programming KW - NULL values KW - Union Types TI - Two type extensions for the constraint modelling language MiniZinc TY - journal article VL - 111 ER -