Self-Organizing Fuzzy Belief Inference System for Classification

Xiaowei Gu, Plamen Angelov, Qiang Shen

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Abstract

Evolving fuzzy systems (EFSs) are widely known as a powerful tool for streaming data prediction. In this article, a novel zero-order EFS with a unique belief structure is proposed for data stream classification. Thanks to this new belief structure, the proposed model can handle the interclass overlaps in a natural way and better capture the underlying multimodel structure of data streams in the form of prototypes. Utilizing data-driven soft thresholds, the proposed model self-organizes a set of prototype-based if-then fuzzy belief rules from data streams for classification, and its learning outcomes are practically meaningful. With no requirement of prior knowledge in the problem domain, the proposed model is capable of self-determining the appropriate level of granularity for rule-based construction, while enabling users to specify their preferences on the degree of fineness of its knowledge base. Numerical examples demonstrate the superior performance of the proposed model on a wide range of stationary and nonstationary classification benchmark problems.

Original languageEnglish
Pages (from-to)5473-5483
Number of pages11
JournalIEEE Transactions on Fuzzy Systems
Volume30
Issue number12
Early online date30 May 2022
DOIs
Publication statusPublished - 01 Dec 2022

Keywords

  • Belief structure
  • classification
  • data streams
  • evolving fuzzy system (EFS)
  • fuzzy belief rule

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