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CLASSIFICATION
2010
13 years 2 months ago
Intelligent Choice of the Number of Clusters in K-Means Clustering: An Experimental Study with Different Cluster Spreads
: The issue of determining "the right number of clusters" in K-Means has attracted considerable interest, especially in the recent years. Cluster intermix appears to be a...
Mark Ming-Tso Chiang, Boris Mirkin
CGF
2010
171views more  CGF 2010»
13 years 2 months ago
Efficient Mean-shift Clustering Using Gaussian KD-Tree
Mean shift is a popular approach for data clustering, however, the high computational complexity of the mean shift procedure limits its practical applications in high dimensional ...
Chunxia Xiao, Meng Liu
IHI
2010
144views Healthcare» more  IHI 2010»
13 years 5 days ago
The effect of different context representations on word sense discrimination in biomedical texts
Unsupervised word sense discrimination relies on the idea that words that occur in similar contexts will have similar meanings. These techniques cluster multiple contexts in which...
Ted Pedersen
ISAAC
2005
Springer
122views Algorithms» more  ISAAC 2005»
13 years 10 months ago
Fast k-Means Algorithms with Constant Approximation
In this paper we study the k-means clustering problem. It is well-known that the general version of this problem is NP-hard. Numerous approximation algorithms have been proposed fo...
Mingjun Song, Sanguthevar Rajasekaran
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 5 months ago
k-Means Projective Clustering
Pankaj K. Agarwal, Nabil H. Mustafa