TY - JOUR AU - Alshammari, Gharbi AU - Jorro Aragoneses, José Luis AU - Polatidis, Nikolaos AU - Kepatenakis, Stelios AU - Pimenidis, Elias AU - Petridis, Miltos PY - 2019 DO - 10.3233/JIFS-179331 UR - https://hdl.handle.net/20.500.14352/108125 T2 - Journal of Intelligent & Fuzzy Systems LA - eng M2 - 7189 PB - IOS Press TI - A switching multi-level method for the long tail recommendation problem TY - journal article VL - 37 ER -