Journal
EXPERT SYSTEMS
Volume 38, Issue 7, Pages -Publisher
WILEY
DOI: 10.1111/exsy.12736
Keywords
data stream clustering; fuzzy logic; growing neural gas (GNG); topology preservation
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This paper introduces an online fuzzy approach for clustering data streams based on the growing neural gas algorithm, with more restrictive criteria for selecting winner nodes in the topological graph, showing improvements over existing clustering methods when tested on public datasets.
The clustering of big data streams has become a challenging task due to time and space constraints of the hardware and decreasing accuracy when the dimensionality of input data grows in time. In this paper, fuzzy growing neural gas is introduced, an online fuzzy approach for clustering data streams based on the growing neural gas algorithm, by adopting more restrictive criteria for selecting the winner nodes in the topological graph constructed at each iteration of the algorithm. The algorithm is tested on public datasets, and the results show improvements over existing clustering methods.
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