Abstract

Fuzzy Sets and Systems is an area of computational intelligence, pioneered by Lotfi Zadeh over 50 years ago in a seminal paper in Information and Control. Fuzzy Sets (FSs) deal with uncertainty in our knowledge of a particular situation. Research and applications in FSs have grown steadily over 50 years. More recently, we have seen a growth in Type-2 Fuzzy Set (T2 FS) related papers, where T2 FSs are utilized to handle uncertainty in realworld problems. In this paper, we have used bibliometric methods to obtain a broad overview of the area of T2 FSs. This method analyzes information on the bibliographic details of published journal papers, which includes title, authors, author address, journals and citations, extracted from the Science and Social Science Citation Indices in the Web of Science (WoS) database for the last 20 years (1997-2017). We have compared the growth of publications in the field of FSs, and its subset T2 FSs, identified highly cited papers in T2 FSs, highly cited authors, key institutions, and main countries with researchers involved in T2 FS related research.

Highlights

  • Data in the real world is gathered from many sources

  • The following scientometric analysis and results are given in the subsequent subsections: (A) Qualitative Analysis, (B) Discipline wise Analysis, (C) Top Source Journals, (D) Most Productive and Highly Cited Authors, (E) Most Cited Papers, and (F) Keywords Visualization using VOSviewer [80]

  • We found that 1,157 papers out of 1,288 papers were cited, constituting 89.82% of the total

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Summary

A Bibliometric Overview of the Field of Type-2 Fuzzy Sets and Systems1

Of Computer Science, South Asian University, New Delhi, India Sumit Kumar Bansal, Dept. Of Computer Science, South Asian University, New Delhi, India Taniya Seth, Dept. Of Computer Science, South Asian University, New Delhi, India Aparna Basu, Dept. Of Computer Science, South Asian University, New Delhi, India Robert John, LUCID, School of Computer Science, University of Nottingham, Nottingham, U.K. Pranab K. Of Computer Science, South Asian University, New Delhi, India. Abstract Fuzzy Sets and Systems is an area of computational intelligence, pioneered by Lotfi Zadeh over 50 years ago in a seminal paper in Information and Control. Fuzzy Sets (FSs) deal with uncertainty in our knowledge of a particular situation. We have seen a growth in Type-2 Fuzzy Set (T2 FS) related papers, where T2 FSs are utilized to handle uncertainty in real-world problems.

INTRODUCTION
ANALYSIS AND RESULTS
Most Productive and Highly Cited Authors
Highly Cited Papers
Keywords Visualization using VOSviewer
DISCUSSIONS AND CONCLUSION
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