Guest editorial: Revised selected papers from the LION 13 conference Nikolaos F. MatsatsinisMagdalene MarinakiPanos M. Pardalos OriginalPaper 26 June 2021 Pages: 737 - 739
A survey on the applications of variable neighborhood search algorithm in healthcare management Shaowen LanWenjuan FanNenad Mladenovic OriginalPaper 11 February 2021 Pages: 741 - 775
Integrated inventory and production policy for manufacturing with perishable raw materials Chaoming HuMin KongPanos M. Pardalos OriginalPaper 07 April 2021 Pages: 777 - 797
RAMP algorithms for the capacitated facility location problem Telmo MatosÓscar OliveiraDorabela Gamboa OriginalPaper 25 June 2021 Pages: 799 - 813
A dual RAMP algorithm for single source capacitated facility location problems Óscar OliveiraTelmo MatosDorabela Gamboa OriginalPaper 21 June 2021 Pages: 815 - 834
Evolution of Gaussian Process kernels for machine translation post-editing effort estimation Ibai RomanRoberto SantanaJose A. Lozano OriginalPaper 25 May 2021 Pages: 835 - 856
Exploration and exploitation analysis for the sonar inspired optimization algorithm Alexandros TzanetosGeorgios Dounias OriginalPaper 22 July 2021 Pages: 857 - 874
Cost-location aware heuristic algorithm for hybrid SDN deployment Siew Hong WeiTan Saw ChinLee Ching Kwang OriginalPaper 06 May 2021 Pages: 875 - 897
Irreducible bin packing and normality in routing open shop Ilya ChernykhArtem Pyatkin OriginalPaper 22 June 2021 Pages: 899 - 918