W. Elshamy, D. Caragea, und W. Hsu. Proceedings of the 5th International Workshop on Semantic Evaluation, Seite 367--370. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
H. Yang, S. Mehta, und S. Parthasarathy. Proceedings of the 19th Internationl Joint Conference of Artificial Intelligence (IJCAI), Seite 902--907. (2005)