J. Boyd-Graber, und D. Blei. Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007), Seite 277--281. Prague, Czech Republic, Association for Computational Linguistics, (Juni 2007)
B. Hsu, und J. Glass. EMNLP '06: Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing, Seite 373--381. Morristown, NJ, USA, Association for Computational Linguistics, (2006)