- Partition Based Pattern Synthesis with efficient algorithms for nearest neighbor classification, P.Viswanath, M.N.Murty and Shalabh Bhatnagar, Pattern Recognition Letters (Elsevier Science), 27(2006), pp 1714-1724, 2006.
- Rough-fuzzy weighted k-nearest leader classifier for large data sets, V. Suresh Babu, P. Viswanath, Pattern Recognition(Elsevier Science), 42 (2009) 1719 -- 1731.
- Rough-DBSCAN: A fast hybrid density based clustering method for large data sets. Viswanath, P., Suresh Babu, V. Pattern Recognition Letters(Elsevier Science), 30 (2009), 1477-1488.
- A distance based clustering method for arbitrary shaped clusters in large datasets, Bidyut kumar Patra, Sukumar Nandi, P. Viswanath, Pattern Recognition, Volume 44, Issue 12, December 2011, Pages 2862-2870.
- A hybrid approach to speed-up the k-means clustering method, T. Hitendra Sarma, P. Viswanath, and B. Easwara Reddy. Accepted in the International Journal of Machine Learning and Cybernetics, Springer-Verlag, 2012. DOI: 10.1007/s13042-012-0079-7
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