@inproceedings{sperber16coling, title = {Lightly Supervised Quality Estimation}, author = {Matthias Sperber and Graham Neubig and Jan Niehues and Sebastian Stüker and Alex Waibel}, booktitle = {The 26th International Conference on Computational Linguistics (COLING)}, address = {Osaka, Japan}, month = {December}, url = {http://www.phontron.com/paper/sperber16coling.pdf}, year = {2016} }