Journal profile · COMPUTER SCIENCE, THEORY & METHODS
International Journal of Fuzzy Logic and Intelligent Systems
ISSN 1598-2645 · eISSN 2093-744X · Korean Institute of Intelligent Systems
International Journal of Fuzzy Logic and Intelligent Systems: CAS Zone 4 · Computer Science (2025 upgraded edition); fully open access; 40 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
International Journal of Fuzzy Logic and Intelligent Systems is published by Korean Institute of Intelligent Systems and is in Zone 4 of Computer Science in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Fuzzy and Soft Set Theory, Fuzzy Logic and Control Systems and Multi-Criteria Decision Making, together about 34.4% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): COMPUTER SCIENCE, THEORY & METHODS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Fuzzy and Soft Set TheoryDecision Sciences12.9%
- Fuzzy Logic and Control SystemsComputer Science12.1%
- Multi-Criteria Decision MakingDecision Sciences9.5%
- Advanced Algebra and LogicComputer Science8.2%
- Neural Networks and ApplicationsComputer Science6.2%
- Robotic Path Planning AlgorithmsComputer Science5.5%
- Fixed Point Theorems AnalysisMathematics5.2%
- Rough Sets and Fuzzy LogicComputer Science5%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Computer Science Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Computer Science Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- CiteScore 2026-06
- 2.4LetPub ·
- SJR 2026-06
- 0.23LetPub ·
- SNIP 2026-06
- 0.48LetPub ·
- h-index
- 27OpenAlex ·
- i10-index
- 207OpenAlex ·
- 2-year mean citedness
- 0.74OpenAlex ·
- Self-citation rate
- 12.5%LetPub ·
- Share of gold OA articles
- 96.67%LetPub ·
Volume
- Articles per year
- 40LetPub ·
Articles by year OpenAlex count · 1,100 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 20 | 20 | 4 |
| 2025 | 40 | 40 | 20 |
| 2024 | 40 | 40 | 50 |
| 2023 | 40 | 40 | 140 |
| 2022 | 40 | 40 | 229 |
| 2021 | 40 | 40 | 345 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Korean Institute of Intelligent Systems
- ISSN
- 1598-2645
- Electronic ISSN
- 2093-744X
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about International Journal of Fuzzy Logic and Intelligent Systems
What CAS zone is International Journal of Fuzzy Logic and Intelligent Systems in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Fuzzy Logic and Intelligent Systems is in Zone 4 of Computer Science, and in Zone 4 of the minor category Computer Science, Theory & Methods. In the 2026 Xinrui edition it is in Zone 4 of Computer Science. Zones from different editions, and from major and minor categories, are not interchangeable.
Which databases index International Journal of Fuzzy Logic and Intelligent Systems?
According to LetPub and DOAJ records, International Journal of Fuzzy Logic and Intelligent Systems is indexed in ESCI and Scopus.
Is International Journal of Fuzzy Logic and Intelligent Systems open access, and what is the APC?
International Journal of Fuzzy Logic and Intelligent Systems is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .