R. Snow, S. Prakash, D. Jurafsky, A. Y. Ng. 2007. Learning to Merge Word Senses, In Proc. of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL), Prague, Czech Republic, pp. 1005–1014.
R. Navigli. Meaningful Clustering of Senses Helps Boost Word Sense Disambiguation Performance, In Proc. of the 44th Annual Meeting of the Association for Computational Linguistics joint with the 21st International Conference on Computational Linguistics (COLING-ACL 2006), Sydney, Australia, July 17-21st, 2006, pp. 105–112.
Francis Bond and Kyonghee Paik 2012a. A survey of wordnets and their licenses. In Proceedings of the 6th Global WordNet Conference (GWC 2012). Matsue. 64–71