W. Hazlewood, K. Connelly, K. Makice, and Y. Lim. Extended Abstracts Proceedings of the 2008 Conference on Human Factors
in Computing Systems, CHI 2008, Florence, Italy, April 5-10, 2008, page 2973--2978. ACM, (2008)
S. Bhat, H. Xue, and S. Yoon. Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), page 1305--1315. Baltimore, Maryland, Association for Computational Linguistics, (June 2014)
Y. kyung Lim, A. Pangam, S. Periyasami, and S. Aneja. NordiCHI '06: Proceedings of the 4th Nordic conference on Human-computer interaction, page 291--300. New York, NY, USA, ACM, (2006)