@conference {650899, title = {Explainable Reinforcement Learning via Reward Decomposition}, booktitle = {in proceedings at the International Joint Conference on Artificial Intelligence. A Workshop on Explainable Artificial Intelligence.}, year = {2019}, author = {Z. Juozapaitis and A. Koul and A. Fern and M. Erwig and Doshi-Velez, F.} }