Monday, August 20, 2012

Is Fuzzy Logic Passé?

About ten years ago, I mentioned to a colleague that I was wrestling, in a fuzzy way, with some question about fuzzy logic. He replied (whimsically?). "Isn't fuzzy logic passé?"
Well, I now have an answer for him. Professor Lotfi Zadeh today issued the following report to subscribers to his discussion list BISC (to join BISC send message to sympa@lists.EECS.Berkeley.EDU with the following command in the body of his/her email message: subscribe bisc-group; or from another account, subscribe bisc-group your_email_address):
Report on the Impact of Fuzzy Logic
Number of fuzzy-logic-related patents applied for or issued in Japan: 22,541 (not  updated)
Number of fuzzy-logic-related patents (containing the word “fuzzy”) applied for or issued in the US: 33,022

Fuzzy in title

Fuzzy Sets and Systems 
IEEE Transactions on Fuzzy Systems 
Fuzzy Optimization and Decision Making 
Journal of Intelligent & Fuzzy Systems 
Fuzzy Economic Review 
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems
Journal of Japan Society for Fuzzy Theory and Systems 
International Journal of Fuzzy Systems
International Review of Fuzzy Mathematics 
Fuzzy Systems and Soft Computing
Turkish Journal of Fuzzy Systems
Annals of Fuzzy Sets, Fuzzy Logic and Fuzzy Systems
Iranian Journal of Fuzzy Systems
Fuzzy Information and Engineering
Advances in Fuzzy Systems 
International Journal of Fuzzy System Applications 
Advances in Fuzzy Sets and Systems 
International Journal of Fuzzy Systems and Rough Systems 
International Journal of Fuzzy Logic Systems 
Journal of Biomedical Fuzzy Systems Association 
Advances in Fuzzy Mathematics
Journal of Fuzzy Mathematics
Journal of Advanced Research in Fuzzy and Uncertain
Fuzzy Systems & AI—Reports & Letters
Neural and Fuzzy Modeling Technology in Economics
Soft  Computing in title
1.     Soft Computing2.     Applied Soft Computing3.     Mathware & Soft Computing4.     Journal of Multiple-Valued Logic and Soft Computing5.     Applied Computational Intelligence and Soft Computing6.     Autosoft Journal. Intelligent Automation & Soft Computing7.     International Journal of Advances in Soft Computing and Its Applications8.     International Journal of Artificial Intelligence and Soft Computing9.     International Journal of Soft Computing Applications10.  International Journal on Soft Computing11.  International Journal of Soft Computing12.  International Journal of Mathematics and Soft Computing13.  International Journal of Soft Computing Simulation and Software Engineering14.  International Journal of Soft Computing and Bioinformatics15.  Journal of Artificial Intelligence and Soft Computing Research16.  International Journal of Soft Computing and Engineering17.  Fuzzy Systems and Soft Computing18.  International Journal of Research and Reviews in Soft and Intelligent Computing19.  International Journal of Factory Automation, Robotics and Soft Computing20.  International Journal of Biomedical Soft Computing and Human Sciences

Count of publications containing the word “fuzzy” in the title, as cited in INSPEC and MATH.SCI.NET          databases. Compiled on August 13, 2012.
INSPEC Database

1970-1979:   567
1980-1989:   2,375
1990-1999:   21,555
2000-2009: 44,615
2010-present:  16,247
Total:   85,359
MathSciNet Database
1970-1979:   446
1980-1989:   2,474
1990-1999:   5,526
2000-2009: 10,281
2010-present: 2895
Total:   21,622
Total number of papers with “fuzzy” in title (Google Scholar): 281,000
Number of citations/results of papers by L. Zadeh (Google Scholar): 101,802
Number of citations of L. Zadeh’s paper “Fuzzy sets,” Information and Control, 1965 (Google Scholar): 36,933
Number of members of the BISC Group (subscribers on BISC mailing list) worldwide: 1010
Lotfi A. Zadeh 
Professor Emeritus
Director, Berkeley Initiative in Soft Computing (BISC) 
729 Soda Hall #1776
Computer Science Division
Department of Electrical Engineering and Computer Sciences
University of California 
Berkeley, CA 94720-1776 
Tel.(office): (510) 642-4959 
Fax (office): (510) 642-1712 
Tel.(home): (510) 526-2569 
Fax (home): (510) 526-2433 
BISC Homepage URLs
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