Towards a framework for capturing interpretability of hierarchical fuzzy systems - a participatory design approach

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Razak, T.R., Garibaldi, J.M., Wagner, C., Pourabdollah, A. ORCID: 0000-0001-7737-1393 and Soria, D., 2020. Towards a framework for capturing interpretability of hierarchical fuzzy systems - a participatory design approach. IEEE Transactions on Fuzzy Systems. ISSN 1063-6706

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Official URL: https://doi.org/10.1109/tfuzz.2020.2969901

Abstract

Hierarchical fuzzy systems (HFSs) have been shown to have the potential to improve the interpretability of fuzzy logic systems (FLSs). However, challenges remain, such as: "How can we measure their interpretability?", "How can we make an informed assessment of how HFSs should be designed to enhance interpretability?". The challenges of measuring the interpretability of HFSs include issues such as their topological structure, the number of layers, the meaning of intermediate variables, and so on. In this paper, an initial framework to measure the interpretability of HFSs is proposed, combined with a participatory user design process to create a specific instance of the framework for an application context. This approach enables the subjective views of a range of practitioners, experts in the design and creation of FLSs, to be taken into account in shaping the design of a generic framework for measuring interpretability in HFSs. This design process and framework are demonstrated through two classification application examples, showing the ability of the resulting index to appropriately capture interpretability as perceived by system design experts.

Item Type:

Journal article

Publication Title:

IEEE Transactions on Fuzzy Systems

Creators:

Razak, T.R., Garibaldi, J.M., Wagner, C., Pourabdollah, A. and Soria, D.

Publisher:

Institute of Electrical and Electronics Engineers (IEEE)

Date:

28 January 2020

ISSN:

1063-6706