Outlier Detection Based on Clustering Over Sensed Data Using Hadoop

V. Jain¹

Section:Research Paper, Product Type: Isroset-Journal
Vol.1 , Issue.2 , pp.45-50, Mar-2013

Online published on Apr 30, 2013

Copyright © V. Jain . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Outliers are regarded as noisy data in statistics, has turned out to be an important problem which is being researched in diverse fields of research and application domains. Many outlier detection techniques have been developed specific to certain application domains, while some techniques are more generic. Outlier detection aims to find patterns in data that do not conform to expected behaviour. It has extensive use in a wide variety of applications such as military surveillance for enemy activities, intrusion detection in cyber security, fraud detection for credit cards, insurance or health care and fault detection in safety critical systems. In our work, we investigate that there is need to develop an outlier detection solution for large amount of sensed data facts to optimize the processing of data mining. Sensed data is the output of sensor nodes consisting the real values after sensing. Existing solutions provide outlier detection only for static datasets and using clustering algorithms for normal data size. In our work, we have developed an outlier detection system which performs outlier detection of Intel sensed dataset using clustering algorithms DBScan and K-Means. Experimental study has been performed using java application and hadoop system.

Key-Words / Index Term :
Outlier detection, Clustering, Hadoop

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