@article{DBLP:journals/coling/UeffingN07,
author = {Nicola Ueffing and
Hermann Ney},
title = {Word-Level Confidence Estimation for Machine Translation},
journal = {Computational Linguistics},
volume = {33},
number = {1},
year = {2007},
pages = {9-40},
ee = {http://dx.doi.org/10.1162/coli.2007.33.1.9},
bibsource = {DBLP, http://dblp.uni-trier.de}
}