The proportionate increase in the size of the data with increase in space implies that clustering a very large data set becomes difficult and is a time consuming process. Sampling is one important technique to scale down the size of dataset and to improve the efficiency of clustering. After sampling, allocating unlabeled objects into proper clusters is impossible in the categorical domain. To address the problem, Chen employed a method called MARDL to allocate each unlabeled data point to the appropriate cluster based on NIR and NNIR algorithms. This paper took off from Chen’s investigation and analyzed and compared the results of NIR and NNIR, leading to the conclusion that the two processes contradict each other when it comes to finding the resemblance between an unlabeled data point and a cluster. A new and better way of solving the problem was arrived at that finds resemblance between unlabeled data point within all clusters, while also providing maximal resemblance for allocation of data in the required cluster.
Comments: 15 Pages.
[v1] 2012-11-04 06:05:00
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