1. Agrawal, R., Mannila, H., Srikant, R., Toivonen, H., Verkamo, A.I.: Fast discovery of association rules. In: Advances in Knowledge Discovery and Data Mining, pp. 307–328. American Association for Artificial Intelligence, Menlo Park (1996)
2. Ankerst, M., Breunig, M.M., Kriegel, H.P., Sander, J.: OPTICS: ordering points to identify the clustering structure. In: Delis, A., Faloutsos, C., Ghandeharizadeh, S. (eds.) Proceedings of the International Conference on Management of data (SIGMOD 1999), pp. 49–60. ACM, New York (1999)
3. Arbelaitz, O., Gurrutxaga, I., Muguerza, J., Pérez, J.M., Perona, I.: An extensive comparative study of cluster validity indices. Pattern Recogn. 46(1), 243–256 (2013)
4. Banfield, J.D., Raftery, A.E.: Model-based Gaussian and non-Gaussian clustering. Biometrics 49(3), 803–821 (1993)
5. Chen, Y., Wu, O.: Contextual Hausdorff dissimilarity for multi-instance clustering. In: Liu, Y. (ed.) Proceedings of the 9th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD 2012), pp. 870–873. IEEE, Los Alamitos (2012)