Multi-step Natural Language Understanding Pierrick Milhorat author Stephan Schlögl author Gérard Chollet author Jérôme Boudy author 2013-08 text Proceedings of the SIGDIAL 2013 Conference Maxine Eskenazi editor Michael Strube editor Barbara Di Eugenio editor Jason D Williams editor Association for Computational Linguistics Metz, France conference publication milhorat-etal-2013-multi https://aclanthology.org/W13-4027/ 2013-08 157 159