@article{anarrationbasedrewardshapingapproach, title = {A Narration-based Reward Shaping Approach using Grounded Natural Language Commands}, author = {Nicholas Waytowich and Sean L. Barton and Vernon Lawhern and Garrett Warnell}, year = {2019}, eprint = {1911.00497}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/1911.00497v1}, }