J. Moore, S. Chen, D. Turnbull, и T. Joachims. Conference of the International Society for Music Information Retrieval Conference (ISMIR), стр. 401-406. (2013)
S. Bergsma, M. Post, и D. Yarowsky. Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, стр. 327--337. Association for Computational Linguistics, (2012)