IEEE Systems, Man and Cybernetics Magazine - July 2018 - 44

Prof. zadeh (left) and Dr. Filev during the 2014 norbert Weiner IEEE SmC
Panel. (Photo courtesy of Dr. Keith Hipel, University of Waterloo.)

at the conclusion to the 2014 norbert Weiner SmC Panel. (From left):
Prof. Vladik Kreinovich, Prof. rouse, Prof. Hipel, Prof. zadeh, Dr. Filev,
Dr. milan, Prof. Hall, and Prof. gruver. (Photo courtesy of Dr. Keith Hipel,
University of Waterloo.)

of the U.S.S.R. in 1965. Our scientific
cooperation and family friendship
began in the 1980s. We completed
several joint projects on fuzzy logic,
computing with words, and, mainly,
modern decision theory with imperfect information. In cooperation
w ith P rof. Zadeh, my colleag ues
and I wrote the first book devoted
to his idea of Z-numbers, The Arithmetic of Z-Numbers. Now, at the
suggestion of Prof. Zadeh, we have
prepared a new book, Fuzzy Logic
Theory and Applications, Part I (L.
Zadeh and R. Aliev) and Part II (Editors L. Zadeh and R. Aliev).
I will never forget his permanent
and comprehensive support of our
scientific activities. The loss of Prof.
Zadeh is a loss for all mankind. My
44

heart will always have positive memories of him.
-Rafik Aliev
Pushing Forward
the Frontier
I can vividly recall my early meetings with Prof. Zadeh. The first one
was at the International Fuzzy Systems Association (IFSA) Congress in
Tokyo. His plenary talk was inspiring with lucidly posed arguments;
this provided new perspectives and
helped me position the research
known from the literature in a completely new, enriched perspective.
The time was hectic, and Prof. Zadeh
was surrounded by a crowd and not
easily accessible. However, we man-

IEEE SyStEmS, man, & CybErnEtICS magazInE July 2 0 1 8

aged to have a brief conversation.
What I found striking was his ability
to listen, offer advice, and encourage.
From a broader perspective, this
second IFSA Congress was successful and very important to the development of fuzzy sets worldwide. Japan was booming at this time; fuzzy
sets were on the rise, the term fuzzy
was en vogue, a plethora of applications of fuzzy sets was embraced
by the Japanese industry (e.g., the
Sendai railway system and home appliances, to recall the most obvious
examples). The presentations made
by the pioneers and eminent Japanese researchers and engineers were
highly attractive and influential; for
the first time, what had been known
in the literature about fuzzy controllers was shown completely through
a large number of experimental setups. The Congress was a turning point
for academia and industry. It was an
event loaded with enthusiasm, dedication, and the ingenuity of the young
and rapidly growing community.
The next meeting with Prof. Zadeh
took place in quite a different environment and happened during my postdoctoral research stay in The Netherlands. Prof. Zadeh came to Delft
to give a seminar on what must have
been one of the stops during his busy
trip to Europe. The talk was enlightening, and there was more time for
discussion in a far more relaxed environment than the one during the IFSA
Congress. This was during the time
Prof. Zadeh was preoccupied by the
ideas of PRUF (an acronym for Possibilistic Relational Universal Fuzzy),
which was used for test-score semantics for natural languages and meaning representation. This framework
was at the center of our discussion.
Our frequent-but-brief encounters,
considering the hectic conference settings, were always inspiring. Prof.
Zadeh's comments were essential,
technically far reaching, and inspiring. He always showed his sense of
humor and wit.
Our interaction expanded when
I assumed the role of editor-in-chief
of the journal Information Sciences.



Table of Contents for the Digital Edition of IEEE Systems, Man and Cybernetics Magazine - July 2018

Contents
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IEEE Systems, Man and Cybernetics Magazine - July 2018 - Contents
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