P. Koehn, F. Och, and D. Marcu. Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology-Volume 1, page 48--54. Association for Computational Linguistics, (2003)
N. Johri, D. Ramage, D. McFarland, and D. Jurafsky. Proceedings of the 5th ACL-HLT workshop on language technology for cultural heritage, social sciences, and humanities, page 124--132. Association for Computational Linguistics, (2011)