A linear time-complexity k-means algorithm using cluster shifting

MK Pakhira - 2014 international conference on computational …, 2014 - ieeexplore.ieee.org
The k-means algorithm is known to have a time complexity of O (n 2), where n is the input
data size. This quadratic complexity debars the algorithm from being effectively used in large …

Performances of k-means clustering algorithm with different distance metrics

TM Ghazal - Intelligent Automation & Soft …, 2021 - research.skylineuniversity.ac.ae
Clustering is the process of grouping the data based on their similar properties. Meanwhile,
it is the categorization of a set of data into similar groups (clusters), and the elements in each …

[PDF][PDF] An Efficient k-Means Clustering Algorithm Using Simple Partitioning.

MC Hung, J Wu, JH Chang… - Journal of information …, 2005 - researchgate.net
The k-means algorithm is one of the most widely used methods to partition a dataset into
groups of patterns. However, most k-means methods require expensive distance …

An optimized version of the k-means clustering algorithm

CM Poteraş, MC Mihăescu… - … Federated Conference on …, 2014 - ieeexplore.ieee.org
This paper introduces an optimized version of the standard K-Means algorithm. The
optimization refers to the running time and it comes from the observation that after a certain …

[PDF][PDF] Efficient and fast initialization algorithm for k-means clustering

M El Agha, WM Ashour - International Journal of Intelligent Systems and …, 2012 - Citeseer
The famous K-means clustering algorithm is sensitive to the selection of the initial centroids
and may converge to a local minimum of the criterion function value. A new algorithm for …

A time-efficient pattern reduction algorithm for k-means clustering

MC Chiang, CW Tsai, CS Yang - Information Sciences, 2011 - Elsevier
This paper presents an efficient algorithm, called pattern reduction (PR), for reducing the
computation time of k-means and k-means-based clustering algorithms. The proposed …

Data clustering with modified K-means algorithm

RV Singh, MPS Bhatia - 2011 International Conference on …, 2011 - ieeexplore.ieee.org
This paper presents a data clustering approach using modified K-Means algorithm based on
the improvement of the sensitivity of initial center (seed point) of clusters. This algorithm …

[PDF][PDF] A modified k-means algorithm to avoid empty clusters

MK Pakhira - International Journal of Recent Trends in …, 2009 - researchgate.net
The k-means algorithm is one of the most widely used clustering algorithms and has been
applied in many fields of science and technology. One of the major problems of the k-means …

The new k-windows algorithm for improving thek-means clustering algorithm

MN Vrahatis, B Boutsinas, P Alevizos, G Pavlides - journal of complexity, 2002 - Elsevier
The process of partitioning a large set of patterns into disjoint and homogeneous clusters is
fundamental in knowledge acquisition. It is called Clustering in the literature and it is applied …

Theoretical Analysis of the k-Means Algorithm – A Survey

J Blömer, C Lammersen, M Schmidt… - … : Selected Results and …, 2016 - Springer
The k-means algorithm is one of the most widely used clustering heuristics. Despite its
simplicity, analyzing its running time and quality of approximation is surprisingly difficult and …