abdelkader Riche, University of Florence, Italy; Abdallah Zeggada, Independent Researcher, Italy; Mohammed Alruqimi, University of Trento, Italy; Pierluigi Confuorto, University of Florence, Italy; Mawloud Guermoui, University of Trento, Italy; Silvia Bianchini, University of Florence, Italy; Farid Melgani, University of Trento, Italy