Bharat Prakash, Nicholas R. Waytowich, Ashwinkumar Ganesan, Tim Oates, Tinoosh Mohsenin. Guiding Safe Reinforcement Learning Policies Using Structured Language Constraints. In Huáscar Espinoza, José Hernández-Orallo, Xin Cynthia Chen, Seán S. ÓhÉigeartaigh, Xiaowei Huang 0001, Mauricio Castillo-Effen, Richard Mallah, John McDermid, editors, Proceedings of the Workshop on Artificial Intelligence Safety, co-located with 34th AAAI Conference on Artificial Intelligence, SafeAI@AAAI 2020, New York City, NY, USA, February 7, 2020. Volume 2560 of CEUR Workshop Proceedings, pages 153-161, CEUR-WS.org, 2020. [doi]