Improving the Confidence of Machine Translation Quality Estimates Lucia Specia author Marco Turqui author Zhuoran Wang author John Shawe-Taylor author Craig Saunders author 2009-aug 26-30 text Proceedings of Machine Translation Summit XII: Papers Ottawa, Canada conference publication specia-etal-2009-improving https://aclanthology.org/2009.mtsummit-papers.16/ 2009-aug 26-30