1. Xu, L., Neufeld, J., Larson, B., Schuurmans, D.: Maximum margin clustering. In: Advance in Neural Information Proceedings Systems 17, pp. 1537–1544. MIT Press (2005)
2. Valizadegan, H., Jin, R.: Generalized maximum margin clustering and unsupervised kernel learning. In: Advance in Neural Information Proceedings Systems 19, pp. 1417–1424. MIT Press (2007)
3. Gieseke, F., Pahikkala, T., Kramer, O.: Fast evolutionary maximum margin clustering. In: Proceedings of the 26th International Conference on Machine Learning, pp. 361–368. ACM (2009)
4. Li, Y., Tsang, I., Kwok, J., Zhou, Z.: Tighter and convex maximum margin clustering. In: Proceedings of the 12th International Conference on Artificial Intelligence and Statistics, ser. JMLR: Workshop and Conference Proceedings, vol. 5, pp. 344–351. JMLR (2009)
5. Pahikkala, T., Airola, A., Gieseke, F., Kramer, O.: Unsupervised multi-class regularized least-squares classification. In: The 12th IEEE International Conference on Data Mining (ICDM 2012), pp. 585–594. IEEE Computer Society (2012)