Journal profile · Mathematics-Logic

Fuzzy Information and Engineering

ISSN 1616-8658 · eISSN 1616-8666 · Fuzzy Information and Engineering Branch of The Operations Research Society of China · United Kingdom

Fuzzy Information and Engineering: CAS Zone 3 · Mathematics (2025 upgraded edition); impact factor 1 (journal website); diamond open access (no APC); no APC; review about 40 weeks (community reports); 31 articles in 2025; indexed in ESCI and Scopus.

Impact factor1From the journal's website, latest value
CAS zoneZone 3 · Mathematics2025 upgraded edition, major category · 2026 Xinrui edition Zone 3 · Mathematics
Review timeabout 40 weeksCommunity average
APCNo APCDiamond open access (no APC)
Acceptance—No reports yet
Articles per year312025 · OpenAlex count

Scope

Aims, scope and focus

Fuzzy Information and Engineering is published by Fuzzy Information and Engineering Branch of The Operations Research Society of China and is in Zone 3 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Multi-Criteria Decision Making, Fuzzy and Soft Set Theory and Fuzzy Systems and Optimization, together about 45.5% of its articles. Its main subfields are Computational Theory and Mathematics. (generated from OpenAlex topic counts and CAS ranking data)

Volume 18 Issue 2, June 2026 All Issues Fuzzy Information and Engineering, started in 2009, is now published quarterly by Tsinghua University Press, aiming at being an international, double-blind peer-reviewed, Open Access and interdisciplinary journal. The journal publishes research on pure and applied mathematics, computer sciences, engineering, and related fields. The journal’s primary focus is application-based work, though fundamental work is also accepted. Research papers, short communications, and reviews are welcome. Technical topics within the scope include: (1) Fuzzy Information Fuzzy information theory and information systems Fuzzy clustering and classification Fuzzy information processing Hardware and software co-design Fuzzy computer Fuzzy database and data mining Fuzzy image processing and pattern recognition Fuzzy information granulation Knowledge acquisition and representation in fuzzy information (2) Fuzzy Sets and Systems Fuzzy sets Fuzzy analysis Fuzzy topology and fuzzy mapping Fuzzy equation Fuzzy programming and optimal Fuzzy probability and statistic Fuzzy logic and algebra General systems Fuzzy socioeconomic system Fuzzy decision support system Fuzzy expert system (3) Soft Computing Soft computing theory and foundation Nerve cell algorithms Genetic algorithms Fuzzy approximation algorithms Computing with words and Quantum computation (4) Fuzzy Engineering Fuzzy control Fuzzy system engineering Fuzzy knowledge engineering Fuzzy management engineering Fuzzy design Fuzzy industrial engineering Fuzzy system modeling (5) Fuzzy Operations Research Fuzzy evaluation and decision-making Fuzzy overall plans and scheduling Fuzzy prediction and forecasting Fuzzy countermeasure Fuzzy graph theory and network flow Fuzzy management in knowledge (6) Artificial Intelligence Fuzzy basis system in knowledge Approximate reasoning and fuzzy reasoning machine Fuzzy neural networks Intelligent controls and robots Fuzzy automata Statistical learning theory and support vector machine (7) Others Rough sets theory and its applications Fuzzy grey systems Fuzzy education Fuzzy linguistics Fuzzy biology The journal operates a double-blind peer review policy. All articles will be made freely and permanently available online through gold open access publication. Read the Instructions for Authors for information on how to submit your article. View Aims and Scope Editor-in-Chief: Bing-Yuan Cao View Editorial Board 1.0 Impact Factor (2025) 3.1 CiteScore (2025)

From the journal's Aims & Scope

Research area (LetPub): Mathematics-Logic

Editor-in-chief Bing-Yuan CaoPublisher website

Editorial board by country: 8 in mainland China (about 23%); most named Mainland China 8, United States 4, Finland 4, Japan 2, South Korea 2 (35 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Multi-Criteria Decision MakingDecision Sciences21.8%
  2. Fuzzy and Soft Set TheoryDecision Sciences12.7%
  3. Fuzzy Systems and OptimizationMathematics11.1%
  4. Fuzzy Logic and Control SystemsComputer Science10.6%
  5. Optimization and Mathematical ProgrammingEngineering9.6%
  6. Advanced Algebra and LogicComputer Science9.2%
  7. Rough Sets and Fuzzy LogicComputer Science6.5%
  8. Fixed Point Theorems AnalysisMathematics2.6%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 3
LevelCategoryZone
MajorMathematicsZone 3
MinorMathematics, AppliedZone 3

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 3
LevelCategoryZone
MajorMathematicsZone 3
MinorMathematics, AppliedZone 3

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

Database indexing

ESCIScopusDOAJLetPub

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

Impact factor (publisher)
1Publisher website ·
CiteScore 2026-06
3.1LetPub ·
CiteScore (publisher)
3.1Publisher website ·
SJR 2026-06
0.28LetPub ·
SNIP 2026-06
0.67LetPub ·
h-index
36OpenAlex ·
i10-index
162OpenAlex ·
2-year mean citedness
0.92OpenAlex ·
Self-citation rate
10%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
23LetPub ·

Articles by year OpenAlex count · 545 in total · the current year is incomplete

YearArticlesOpen accessCitations
202625251
2025313126
2024282850
2023242475
20222525196
20213333256

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.

Review & acceptance

Review time and acceptance

Average review time (community reports)
about 40 weeksLetPub ·
Submission to publication (journal-reported)
about 40 weeksDOAJ ·
Peer review
Double anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Diamond open access (no APC)DOAJ

Every article is open access and authors pay no article processing charge.

SourceAPCFee waiverLicenseObserved
DOAJNo APCNoCC BY
OpenAlexGBP 385——
LetPubNo APCNo—

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
Fuzzy Information and Engineering Branch of The Operations Research Society of China
Country or region
United Kingdom
Language
English
ISSN
1616-8658
Electronic ISSN
1616-8666
Official links

FAQ

Frequently asked questions about Fuzzy Information and Engineering

What CAS zone is Fuzzy Information and Engineering in?

In the 2025 upgraded edition of the CAS Journal Ranking, Fuzzy Information and Engineering is in Zone 3 of Mathematics, and in Zone 3 of the minor category Mathematics, Applied. In the 2026 Xinrui edition it is in Zone 3 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Fuzzy Information and Engineering?

The journal's website gives an impact factor of 1; this is the journal's own figure, as LetPub lists none for it; CiteScore 3.1, h-index 36.

How long does peer review take at Fuzzy Information and Engineering?

Authors report an average review time of about 40 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

Where are the editorial board members of Fuzzy Information and Engineering based?

Of the 35 board members whose country the journal's board page names, 8 (about 23%) are in mainland China; the countries named most often are Mainland China (8), United States (4) and Finland (4). Counted from the institutions listed on the board page; for reference only.

Which databases index Fuzzy Information and Engineering?

According to LetPub and DOAJ records, Fuzzy Information and Engineering is indexed in ESCI, Scopus and DOAJ.

Is Fuzzy Information and Engineering open access, and what is the APC?

Fuzzy Information and Engineering is a diamond open-access journal (no APC). It charges no article processing charge.

Sources and updates

The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; 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: .