Further Investigation into Reference Bias in Monolingual Evaluation of Machine Translation Qingsong Ma author Yvette Graham author Timothy Baldwin author Qun Liu author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication ma-etal-2017-investigation 10.18653/v1/D17-1262 https://aclanthology.org/D17-1262/ 2017-09 2476 2485