1. An efficient k-means clustering algorithm;Alsabti,1998
2. k-means++: the advantages of careful seeding.;Arthur,2007
3. Multidimensional binary search trees used for associative searching;Bentley;Comm. ACM,1975
4. Pattern Recognition with Fuzzy Objective Function Algorithms;Bezdek,1981
5. Refining initial points for K-means clustering;Bradley,1998