E. Garbin, and I. Mani. Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing, page 363--370. Stroudsburg, PA, USA, Association for Computational Linguistics, (2005)
T. Elsayed, J. Lin, and D. Oard. Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics on Human Language Technologies: Short Papers, page 265--268. Stroudsburg, PA, USA, Association for Computational Linguistics, (2008)