Imitation learning for structured prediction in natural language processing Andreas Vlachos author Gerasimos Lampouras author Sebastian Riedel author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Tutorial Abstracts Alexandre Klementiev editor Lucia Specia editor Association for Computational Linguistics Valencia, Spain conference publication vlachos-etal-2017-imitation https://aclanthology.org/E17-5003/ 2017-04