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 20 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. CLOCKSS
  4. CNKI
  5. CNPIEC
  6. DBLP
  7. Dimensions
  8. EBSCO Discovery Service
  9. EI Compendex
  10. Google Scholar
  11. INSPEC
  12. Japanese Science and Technology Agency (JST)
  13. Journal Citation Reports/Science Edition
  14. Mathematical Reviews
  15. Naver
  16. Norwegian Register for Scientific Journals and Series
  17. OCLC WorldCat Discovery Service
  18. Portico
  19. ProQuest-ExLibris Primo
  20. ProQuest-ExLibris Summon
  21. SCImago
  22. SCOPUS
  23. Science Citation Index Expanded (SciSearch)
  24. TD Net Discovery Service
  25. UGC-CARE List (India)
  26. WTI Frankfurt eG
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© The Author(s) under exclusive licence to Taiwan Fuzzy Systems Association