Z. Tu, Z. Lu, Y. Liu, X. Liu, and H. Li. (2016)cite arxiv:1601.04811Comment: Add subjective evaluation on top of ACL version: 25% of source words are under-translated by NMT.
A. See, P. Liu, and C. Manning. (2017)cite arxiv:1704.04368Comment: Add METEOR evaluation results, add some citations, fix some equations (what are now equations 1, 8 and 11 were missing a bias term), fix url to pyrouge package, add acknowledgments.