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M.Tech / M.E / PhD Thesis | Computer Science & Engineering | India | Volume 5 Issue 6, June 2016
Document Clustering using Improved K-means Algorithm
Anjali Vashist | Rajender Nath
Abstract: Clustering is an efficient technique that organizes a large quantity of unordered text documents into a small number of significant and coherent clusters, thereby providing a basis for intuitive and informative navigation and browsing mechanisms. It is studied by the researchers at broad level because of its broad application in several areas such as web mining, search engines, and information extraction. It clusters the documents based on various similarity measures. The existing K-means (document clustering algorithm) was based on random center generation and every time the clusters generated was different In this paper, an Improved Document Clustering algorithm is given which generates number of clusters for any text documents based on fixed center generation, collect only exclusive words from different documents in dataset and uses cosine similarity measures to place similar documents in proper clusters. Experimental results showed that accuracy of proposed algorithm is high compare to existing algorithm in terms of F-Measure, Recall, Precision and time complexity.
Keywords: Document Clustering, Cosine Similarity, Term Finder, Tf-Idf, Threshold
Edition: Volume 5 Issue 6, June 2016,
Pages: 2206 - 2210
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