von Luxburg, U Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
http://www.jmlr.org/papers/volume10/bubeck09a/bubeck09a.pdf (Verlagsversion)
Bubeck, S., & von Luxburg, U. (2009). Nearest Neighbor Clustering: A Baseline Method for Consistent Clustering with Arbitrary Objective Functions. The Journal of Machine Learning Research, 10, 657-698.