The International Journal of Fuzzy Systems (IJFS) is an official journal of Taiwan Fuzzy Systems Association (TFSA) and is published semi-quarterly. IJFS will consider high quality papers that deal with the theory, design, and application of fuzzy systems, soft computing systems, grey systems, and extension theory systems ranging from hardware to software. Survey and expository submissions are also welcome.
  • Official journal of Taiwan Fuzzy Systems Association (TFSA)
  • Serves as a popular forum for researchers interested in all kinds of fuzzy related research
  • ​​Publishes regular paper, review, survey, and expository essay

Journal information

Editor-in-Chief
  • Wei-Yen Wang
Publishing model
Hybrid. Learn about publishing Open Access with us

Journal metrics

4.673 (2020)
Impact factor
3.804 (2020)
Five year impact factor
51 days
Submission to first decision
188 days
Submission to acceptance
72,225 (2020)
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This journal has 18 open access articles

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About this journal

Electronic ISSN
2199-3211
Print ISSN
1562-2479
Abstracted and indexed in
  1. ANVUR
  2. BFI List
  3. CNKI
  4. DBLP
  5. Dimensions
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  10. Institute of Scientific and Technical Information of China
  11. Japanese Science and Technology Agency (JST)
  12. Journal Citation Reports/Science Edition
  13. Mathematical Reviews
  14. Naver
  15. Norwegian Register for Scientific Journals and Series
  16. OCLC WorldCat Discovery Service
  17. ProQuest Central
  18. ProQuest Engineering
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  20. ProQuest SciTech Premium Collection
  21. ProQuest Technology Collection
  22. ProQuest-ExLibris Primo
  23. ProQuest-ExLibris Summon
  24. SCImago
  25. SCOPUS
  26. Science Citation Index Expanded (SciSearch)
  27. TD Net Discovery Service
  28. UGC-CARE List (India)
  29. WTI Frankfurt eG
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