<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Kishore Papineni / Salim Roukos / Todd Ward / Wei-Jing Zhu:</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">BLEU: A Method for Automatic Evaluation of Machine Translation</hi>, in: Proceedings of the 40th Annual Meeting on Association for Computational Linguistics (2002): 311-318. DOI: 10.3115/1073083.1073135.