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Sum of Distance based Algorithm for Clustering Web Data

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International Journal of Computer Applications
© 2014 by IJCA Journal
Volume 87 - Number 7
Year of Publication: 2014
Authors:
Neeti Arora
Mahesh Motwani
10.5120/15221-3732

Neeti Arora and Mahesh Motwani. Article: Sum of Distance based Algorithm for Clustering Web Data. International Journal of Computer Applications 87(7):26-30, February 2014. Full text available. BibTeX

@article{key:article,
	author = {Neeti Arora and Mahesh Motwani},
	title = {Article: Sum of Distance based Algorithm for Clustering Web Data},
	journal = {International Journal of Computer Applications},
	year = {2014},
	volume = {87},
	number = {7},
	pages = {26-30},
	month = {February},
	note = {Full text available}
}

Abstract

Clustering is a data mining technique used to make groups of objects that are somehow similar in characteristics. The criterion for checking the similarity is implementation dependent. Clustering analyzes data objects without consulting a known class label or category i. e. it is an unsupervised data mining technique. K-means is a widely used clustering algorithm that chooses random cluster centers (centroid), one for each centroid. The performance of K-means strongly depends on the initial guess of centers (centroid) and the final cluster centroids may not be the optimal ones as the algorithm can converge to local optimal solutions. Therefore it is important for K-means to have good choice of initial centroids. An algorithm for clustering that selects initial centroids using criteria of finding sum of distances of data objects to all other data objects have been formed. The proposed algorithm results in better clustering on synthetic as well as real datasets when compared to the K-means technique.

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