alexa An Improved Semi-Supervised Clustering Algorithm Based
ISSN ONLINE(2320-9801) PRINT (2320-9798)

International Journal of Innovative Research in Computer and Communication Engineering
Open Access

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Special Issue Article

An Improved Semi-Supervised Clustering Algorithm Based on Active Learning

S.Shalini1, R.Raja2
  1. Student/M.E (CSE), Department of CSE, Sri Shanmugha College of Engineering and Technology, Pullipalayam, Salem, Tamilnadu, India
  2. Assistant Professor, Department of CSE, Sri Shanmugha College of Engineering and Technology, Pullipalayam, Salem, Tamilnadu, India
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Abstract

In semi supervised clustering is one of the major tasks and aims at grouping the data objects into meaningful classes (clusters) such that the similarity of objects within clusters is maximized and the similarity of objects between clusters is minimized. The dataset sometimes may be in mixed nature that is it may consist of both numeric and categorical type of data. Naturally these two types of data may differ in their characteristics. Due to the differences in their characteristics in order to group these types of mixed data it is better to use the ensemble clustering method which uses split and merge approach to solve this problem. In this paper the original mixed dataset is splitted into numeric dataset and categorical dataset and clustered using both traditional clustering algorithms (K-Means and K-Modes) and fuzzy clustering algorithms (Fuzzy C-Means and Fuzzy C-Modes). The resultant clusters are combined using ensemble clustering methods and evaluated by both f-measure and entropy measure. It is found that splitting is more beneficial and applying fuzzy clustering algorithms yields better results than traditional clustering algorithms.

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