E. Breck, Y. Choi, und C. Cardie. IJCAI'07: Proceedings of the 20th International Joint Conference on Artifical Intelligence, Seite 2683--2688. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (2007)
T. Zesch, und I. Gurevych. Proceedings of the TextGraphs-2 Workshop (NAACL-HLT), Seite 1--8. Rochester, Association for Computational Linguistics, (April 2007)
A. Nenkova, und R. Passonneau. Proceedings of the Human Language Technology Conference of the North American Chapter of the Association for Computational Linguistics: HLT-NAACL 2004, Seite 145--152. Boston, Massachusetts, USA, Association for Computational Linguistics, (2004)