What is the Impact Factor of International Journal of Fuzzy Systems?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of International Journal of Fuzzy Systems is 3.10, ranking in quartile Q2 of Web of Science (SCIE).

Is International Journal of Fuzzy Systems indexed in Web of Science or Scopus?

Yes, International Journal of Fuzzy Systems is indexed in Web of Science (SCIE, Q2 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 0.668 (Q2) and an H-index of 72.

Who publishes International Journal of Fuzzy Systems and what is the Article Processing Charge (APC)?

International Journal of Fuzzy Systems is published by Springer Berlin Heidelberg. The estimated Article Processing Charge (APC) is approximately $3,187 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of International Journal of Fuzzy Systems?

The official ISO-4 abbreviation of International Journal of Fuzzy Systems is "INT. J. FUZZY SYST" with common acronym "ijfs". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q2Scopus Q2SCImago #8,724Hybrid

International Journal of Fuzzy Systems

Acronym:ijfs

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Abbreviation (ISO):INT. J. FUZZY SYST

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Identifier (ISSN):1562-2479(Print)/2199-3211(Online)

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Publisher:Springer Berlin Heidelberg

Official Website Submission Portal Compare

Clarivate IF (2026)

3.1↓ -0.5

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIEJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for International Journal of Fuzzy Systems

WoS Q2

Annual Impact Factor Metric

Current (2026):3.1

Scopus SJR & RankScopus Q2

0.668

#8,724

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

72 papers with at least that number of citations each

WoS: SCIE / JCRQ2

Self-Citation Rate8.3%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

207articles/year

7.77% Gold OA•99.52% Original Research

Aims & Scope

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.

Topics Covered (Recognized by AI)

Computer science99.8%Artificial intelligence97.8%Philosophy85.9%Machine learning83%Linguistics82.5%Mathematics79.3%Fuzzy logic78.9%Computational intelligence70.1%Economics55.1%Physics48.8%Engineering43.7%Quantum mechanics41.4%Management37.4%Biology36.7%Control (management)32.6%Statistics31.3%Control theory (sociology)31.3%Mathematical optimization28.5%Fuzzy control system27.8%Psychology25.2%Programming language23.6%Data mining22.4%Algorithm21.2%

Primary Research Areas

Engineering & Technology Computer Science: Artificial Intelligence

Official Website NLM PubMed Catalog Submission Portal SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

AUTOMATION & CONTROL SYSTEMS

Rank33/88

IndexSCIE

JCRSCIE2026

COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE

Rank114/210

IndexSCIE

JCRSCIE2026

COMPUTER SCIENCE, INFORMATION SYSTEMS

Rank135/266

IndexSCIE

JCISCIE2026

AUTOMATION & CONTROL SYSTEMS

Rank35/88

IndexSCIE

JCISCIE2026

COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE

Rank102/210

IndexSCIE

JCISCIE2026

COMPUTER SCIENCE, INFORMATION SYSTEMS

Rank132/266

IndexSCIE

Category	Index	Rank	Quartile
AUTOMATION & CONTROL SYSTEMS	JCRSCIE	33/88	Q2
COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE	JCRSCIE	114/210	Q3
COMPUTER SCIENCE, INFORMATION SYSTEMS	JCRSCIE	135/266	Q3
AUTOMATION & CONTROL SYSTEMS	JCISCIE	35/88	Q2
COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE	JCISCIE	102/210	Q2
COMPUTER SCIENCE, INFORMATION SYSTEMS	JCISCIE	132/266	Q2

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF3.1

Articles / Year114

Total Citations30

2025

IF3.6

Articles / Year243

Total Citations544

2024

IF3.6

Articles / Year259

Total Citations1,499

2023

IF4.3

Articles / Year184

Total Citations2,110

2022

IF4.085

Articles / Year212

Total Citations3,106

Year	Impact Factor	Articles / Year	Total Citations
2026	3.1	114	30
2025	3.6	243	544
2024	3.6	259	1,499
2023	4.3	184	2,110
2022	4.085	212	3,106
2021	4.673	216	3,844
2020	4.406	199	4,487
2019	3.085	181	4,416
2018	2.396	136	3,600
2017	—	157	5,683
2016	—	149	3,808
2015	—	113	2,286

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #8,724Scopus Q2SCImago Profile

Scopus Coverage:2004-2026

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Scopus Broad Areas:Computer ScienceEngineeringMathematics

Scopus Citation Rank (SJR)Q2

0.668

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q2

Citations / Doc (2 years)

4.60

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

$3,187 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations2,516

3-Year Documents595

Citable Documents590

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate33.9%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Artificial IntelligenceQ2

Computational Theory and MathematicsQ2

Control and Systems EngineeringQ2

Information SystemsQ2

SoftwareQ2

Theoretical Computer ScienceQ2

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 8.3%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

3区 (Zone 3)Computer Science

Minor Category (Specific Field):

3区AUTOMATION & CONTROL SYSTEMS

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

International Journal of Fuzzy Systems (acronym: ijfs, abbr: INT. J. FUZZY SYST, ISSN: 1562-2479) is a peer-reviewed international scholarly journal in the field of Engineering & Technology, published by Springer Berlin Heidelberg in Taiwan since 2015. The periodical holds a Journal Impact Factor (JIF) of 3.10, ranking in quartile Q2 of Web of Science (SCIE), a Scopus SJR indicator of 0.668 (Q2), an H-index of 72.

The journal enforces rigorous peer evaluation with a publication frequency of Quarterly, an annual output of approximately 207 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,187 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.