1. Elkan, C. (2003) Using the Triangle Inequality to Accelerate k-Means, In: Proceedings of the Twentieth International Conference on International Conference on Machine Learning (ICML’03). AAAI Press, Washington DC, 147-153.
2. TI-DBSCAN: Clustering with DBSCAN by Means of the Triangle Inequality
3. Finding Groups in Data
4. Jain, A. and Dubes, R. (1988) Algorithms for Clustering Data. Prentice-Hall, Englewood Cliffs, NJ.
5. DENGRAPH: A Density-based Community Detection Algorithm