Deep Reinforcement Learning with a Combinatorial Action Space for Predicting Popular Reddit Threads Ji He author Mari Ostendorf author Xiaodong He author Jianshu Chen author Jianfeng Gao author Lihong Li author Li Deng author 2016-11 text Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing Jian Su editor Kevin Duh editor Xavier Carreras editor Association for Computational Linguistics Austin, Texas conference publication he-etal-2016-deep-reinforcement 10.18653/v1/D16-1189 https://aclanthology.org/D16-1189/ 2016-11 1838 1848