%0 Journal Article
%A Alshammari, Gharbi
%A Jorro Aragoneses, José Luis
%A Polatidis, Nikolaos
%A Kepatenakis, Stelios
%A Pimenidis, Elias
%A Petridis, Miltos
%T A switching multi-level method for the long tail recommendation problem
%D 2019
%U https://hdl.handle.net/20.500.14352/108125
%~