Inductive Logic Programming 28th International Conference, ILP 2018, Ferrara, Italy, September 2-4, 2018, Proceedings - Riguzzi, Fabrizio; Riguzzi, Fabrizio; Bellodi, Elena; Bellodi, Elena; Zese, Riccardo; Zese, Riccardo (Springer International Publishing : Imprint: Springer, 2018)