CEC Faculty Articles

Title

Parallel Hybrid Clustering Using Genetic Programming and Multi-Objective Fitness with Density (PYRAMID)

Document Type

Article

Date

6-2006

Publication Title

Proceedings of the 2006 International Conference on Data Mining

ISSN or ISBN

0-542-56083-6

First Page

197

Last Page

203

Description

Clustering is the process of locating patterns in large data sets. It is an active research area that provides value to scientific as well as business applications. Practical clustering faces several challenges including: identifying clusters of arbitrary shapes, sensitivity to the order of input, dynamic determination of the number of clusters, outlier handling, processing speed of massive data sets, handling higher dimensions, and dependence on user-supplied parameters. Many studies have addressed one or more of these challenges. This study proposes an algorithm called parallel hybrid clustering using genetic programming and multi-objective fitness with density (PYRAMID). While still leaving significant challenges unresolved, such as handling higher dimensions and dependence on user-supplied parameters, PYRAMID employs a combination of data parallelism, a form of genetic programming, and a multiobjective density-based fitness function in the context of clustering to resolve most of the above challenges. Preliminary experiments have yielded promising results.

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