LEPOR: A Robust Evaluation Metric for Machine Translation with Augmented Factors Aaron L F Han author Derek F Wong author Lidia S Chao author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication han-etal-2012-lepor https://aclanthology.org/C12-2044/ 2012-12 441 450