1. An impossibility theorem for clustering;J Kleinberg;Advances in Neural Information Processing Systems,2002
2. What is a cluster? perspectives from game theory;M Pelillo;Proceedings of the NIPS Workshop on Clustering Theory,2009
3. What are the true clusters?;C Hennig;Pattern Recognition Letters,2015
4. Towards an axiomatic approach to hierarchical clustering of measures;P Thomann;Journal of Machine Learning Research,2015
5. Measures of clustering quality: A working set of axioms for clustering;S Ben-David;Advances in Neural Information Processing Systems,2008