International Journal of Fuzzy Systems

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.

View Aims & Scope

---

Metrics & Ranking

Impact Factor

Year	Value
2025	3.6
2024	3.60

SJR (SCImago Journal Rank)

Year	Value
2024	0.714

Quartile

Year	Value
2024	Q2

h-index

Year	Value
2024	67

Journal Rank

Year	Value
2024	7914

Journal Citation Indicator

Year	Value
2024	2560

---

---

Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

• Scopus
• Google Scholar
• Web of Science

---

Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Computer Science, Engineering and Mathematics, designed to support cutting-edge academic discovery.

---

Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• Survey on Fuzzy-Logic-Based Guidance and Control of Marine Surface Vehicles and Underwater Vehicles

  Citation: 290

  Authors: Xianbo, Caoyang, Lionel, Jialei, Qin

• Hesitant Fuzzy Linguistic Term Set and Its Application in Decision Making: A State-of-the-Art Survey

  Citation: 198

  Authors: Huchang, Zeshui, Enrique, Francisco

• Evidential Supplier Selection Based on DEMATEL and Game Theory

  Citation: 168

  Authors: Tianyu, Yong, Felix

• Decision Making with Uncertainty Using Hesitant Fuzzy Sets

  Citation: 166

  Authors: Shahzad, Tabasam, Wojciech, Sohail, Jarosław

• Bipolar Fuzzy Hamacher Aggregation Operators in Multiple Attribute Decision Making

  Citation: 162

  Authors: Guiwu, Fuad E., Tasawar, Ahmed

• DS-VIKOR: A New Multi-criteria Decision-Making Method for Supplier Selection

  Citation: 158

  Authors: Liguo, Yong, Yong

• A Bibliometric Analysis of Fuzzy Decision Research During 1970–2015

  Citation: 142

  Authors: Weishu, Huchang

• An Interval Type-2 Fuzzy Likelihood-Based MABAC Approach and Its Application in Selecting Hotels on a Tourism Website

  Citation: 134

  Authors: Su-min, Jing, Jian-qiang

• Multi-Criteria Decision-Making Methods in Bipolar Fuzzy Environment

  Citation: 128

  Authors: M. A., Noura Omair, Muhammad

• Image Edge Detection: A New Approach Based on Fuzzy Entropy and Fuzzy Divergence

  Citation: 127

  Authors: Mario, Francesco Carlo

---