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Paper details
Number 3 - September 2021
Volume 31 - 2021
GrNFS: A granular neuro-fuzzy system for regression in large volume data
Krzysztof Siminski
Abstract
Neuro-fuzzy systems have proved their ability to elaborate intelligible nonlinear models for presented data. However, their
bottleneck is the volume of data. They have to read all data in order to produce a model. We apply the granular approach
and propose a granular neuro-fuzzy system for large volume data. In our method the data are read by parts and granulated.
In the next stage the fuzzy model is produced not on data but on granules. In the paper we introduce a novel type of
granules: a fuzzy rule. In our system granules are represented by both regular data items and fuzzy rules. Fuzzy rules are
a kind of data summaries. The experiments show that the proposed granular neuro-fuzzy system can produce intelligible
models even for large volume datasets. The system outperforms the sampling techniques for large volume datasets.
Keywords
granular computing, neuro-fuzzy system, large volume data, machine learning