Neural Keyphrase Generation via Reinforcement Learning with Adaptive Rewards Hou Pong Chan author Wang Chen author Lu Wang author Irwin King author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication chan-etal-2019-neural 10.18653/v1/P19-1208 https://aclanthology.org/P19-1208/ 2019-07 2163 2174