%0 Conference Paper %B Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing %D 2018 %T Is this Sentence Difficult? Do you Agree? %A Brunato, Dominique %A De Mattei, Lorenzo %A Dell’Orletta, Felice %A Iavarone, Benedetta %A Venturi, Giulia %B Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing %G eng