Is fuzzy logic passé?

Lotfi A. Zadeh
to BISC-Group

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Berkeley Initiative in Soft Computing (BISC)
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Dear members of the BISC Group:

    For your information, following is an updated version of a brief report on the impact of fuzzy logic. Comments are welcome.

     Regards,

     Lotfi
Factual Information about the Impact of Fuzzy Logic
L.A. ZADEH

COUNT of PUBLICATIONS

•    Total number of papers with “fuzzy” in title (Google Scholar): 360,000

•    Count of publications containing the word “fuzzy” in title, as cited in INSPEC and MATH.SCI.NET databases.
Compiled on September 11, 2014.

INSPEC Database

1970-1979:   569
1980-1989:   2,375
1990-1999:   21,572
2000-2009: 44,695
2010-present: 31,826
Total:   101,037

MathSciNet Database

1970-1979:   446
1980-1989:   2,474
1990-1999:   5,526
2000-2009: 10,295
2010-present: 7,131
Total:   25,872


Count of citations
•    Number of citations/results of papers by L. Zadeh (Google Scholar): 138,270
•    Number of citations of L. Zadeh’s paper “Fuzzy sets,” Information and Control, 1965 (Google Scholar): 52,484
•    Number of members of the BISC Group (subscribers on BISC mailing list)
worldwide: 990

PATENTS

•    Number of fuzzy-logic-related patents issued: 560,000


JOURNALS

Fuzzy in title
1.    Fuzzy Sets and Systems
2.    IEEE Transactions on Fuzzy Systems
3.    International Journal of Fuzzy Logic and Intelligent Systems
4.    Fuzzy Optimization and Decision Making
5.    Journal of Intelligent & Fuzzy Systems
6.    Fuzzy Economic Review
7.    International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
8.    Journal of Japan Society for Fuzzy Theory and Systems
9.    International Journal of Fuzzy Systems
10.    International Review of Fuzzy Mathematics
11.    Fuzzy Systems and Soft Computing
12.    Turkish Journal of Fuzzy Systems
13.    Annals of Fuzzy Sets, Fuzzy Logic and Fuzzy Systems
14.    Iranian Journal of Fuzzy Systems
15.    Fuzzy Information and Engineering
16.    Advances in Fuzzy Systems
17.    International Journal of Fuzzy System Applications
18.    Advances in Fuzzy Sets and Systems
19.    International Journal of Fuzzy Systems and Rough Systems
20.    International Journal of Fuzzy Logic Systems
21.    Journal of Biomedical Fuzzy Systems Association
22.    Advances in Fuzzy Mathematics
23.    Journal of Fuzzy Mathematics
24.    Journal of Advanced Research in Fuzzy and Uncertain
25.    Fuzzy Systems & AI—Reports & Letters
26.    Neural and Fuzzy Modeling Technology in Economics
27.    International Journal of Fuzzy Systems and Advanced Applications
28.    International Journal of Fuzzy Computation and Modelling
29.    International Journal of Fuzzy Information and Engineering

Soft Computing in title (soft computing=fuzzy logic, neurocomputing and evolutionary computing)
1.    Soft Computing
2.    Applied Soft Computing
3.    Mathware & Soft Computing
4.    Journal of Multiple-Valued Logic and Soft Computing
5.    Applied Computational Intelligence and Soft Computing
6.    Autosoft Journal. Intelligent Automation & Soft Computing
7.    International Journal of Advances in Soft Computing and Its Applications
8.    International Journal of Artificial Intelligence and Soft Computing
9.    International Journal of Soft Computing Applications
10.    International Journal on Soft Computing
11.    International Journal of Soft Computing
12.    International Journal of Mathematics and Soft Computing
13.    International Journal of Soft Computing Simulation and Software Engineering
14.    International Journal of Soft Computing and Bioinformatics
15.    Journal of Artificial Intelligence and Soft Computing Research
16.    International Journal of Soft Computing and Engineering
17.    Fuzzy Systems and Soft Computing
18.    International Journal of Research and Reviews in Soft and Intelligent Computing
19.    International Journal of Factory Automation, Robotics and Soft Computing
20.    International Journal of Biomedical Soft Computing and Human Sciences
21.    Archives for the Philosophy and History of Soft Computing

Impact on pure mathematics
•    Total number of papers with “fuzzy topology” or “fuzzy topological spaces” in title (Google Scholar): 1417
•    Total number of books with "fuzzy topology" or "fuzzy topological spaces" in title (Google Books): 148

--
Lotfi A. Zadeh
Professor Emeritus
Director, Berkeley Initiative in Soft Computing (BISC)
Address:
729 Soda Hall #1776
Computer Science Division
Department of Electrical Engineering and Computer Sciences
University of California
Berkeley, CA 94720-1776
zadeh@eecs.berkeley.edu
Tel.(home): (510) 526-2569
URL: http://www.cs.berkeley.edu/~zadeh/