Machine learning, optimization, and data science : 8th International Workshop, LOD 2022, Certosa di Pontignano, Italy, September 19-22, 2022 : revised selected papers / Giuseppe Nicosia, Varun Ojha, Emanuele La Malfa, Gabriela La Malfa, Panos Pardalos, Giuseppe Di Fatta, Gíovanni Giuffrida, Renato Umeton, editors ; Part 2 (2023)