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Comment on “New cosine similarity and distance measures for Fermatean fuzzy sets and TOPSIS approach”

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Abstract

In the above paper, Kirisci (Knowl Inform Syst 65:855–868, 2023) proposed a new cosine similarity and distance measures for Fermatean fuzzy sets. In this comment, we point out some mistakes in the definitions. In parallel, in the light of the problem mentioned in the paper, we propose two improved cosine similarity measures that are superior and capable of solving the problem.

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Authors and Affiliations

  1. School of Computer Sciences, Universiti Sains Malaysia, Gelugor, Penang, Malaysia

    Zhe Liu

  2. College of Computer Science and Technology, Harbin Engineering University, Harbin, China

    Haojian Huang

Authors
  1. Zhe Liu
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  2. Haojian Huang
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Contributions

ZL: Conceptualization, Methodology, Writing—review & editing. HH: Investigation, Methodology, Writing—review & editing.

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Correspondence to Zhe Liu.

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Liu, Z., Huang, H. Comment on “New cosine similarity and distance measures for Fermatean fuzzy sets and TOPSIS approach”. Knowl Inf Syst 65, 5151–5157 (2023). https://doi.org/10.1007/s10115-023-01926-2

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  • DOI: https://doi.org/10.1007/s10115-023-01926-2

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