@inproceedings{gao2015cost,
author = {Mingkun Gao and Wei Xu and Chris Callison-Burch},
title = {Cost Optimization in Crowdsourcing Translation},
booktitle = {Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2015)},
month = {June},
year = {2015},
address = {Denver, Colorado},
publisher = {Association for Computational Linguistics}
}