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Article type: Research Article
Authors: Lukač, Niko; * | Žalik, Borut | Žalik, Krista Rizman
Affiliations: Faculty of Electrical Engineering and Computer Science, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia, e-mail: [email protected]
Correspondence: [*] Corresponding author.
Abstract: Clustering is one of the better known unsupervised learning methods with the aim of discovering structures in the data. This paper presents a distance-based Sweep-Hyperplane Clustering Algorithm (SHCA), which uses sweep-hyperplanes to quickly locate each point’s approximate nearest neighbourhood. Furthermore, a new distance-based dynamic model that is based on 2N-tree hierarchical space partitioning, extends SHCA’s capability for finding clusters that are not well-separated, with arbitrary shape and density. Experimental results on different synthetic and real multidimensional datasets that are large and noisy demonstrate the effectiveness of the proposed algorithm.
Keywords: clustering, sweeping paradigm, dynamic model
Journal: Informatica, vol. 25, no. 4, pp. 563-580, 2014
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