Bias from the Wild Industry 4.0: Are We Really Classifying the Quality or Shotgun Series? - Riccardo Rosati 002; Luca Romeo; Gianalberto Cecchini; Flavio Tonetto; Luca Perugini; Luca Ruggeri; Paolo Viti; Emanuele Frontoni (ICPR Workshops (4), 2020)