Hi All,
There is an article that might be interest to some members of this list. The article is not Java or JESS based but it gives good theoretical ground for developing such systems using JESS + FuzzyJ and some extra numerical computing code development effort. The title is :
"Adaptive Fuzzy Expert Systems"
The link is shown below, where the PDF file is found near the bottom of the page for "Publication" section under the "Journal Articles" sub-heading.
http://www.aut.ac.nz/research_showcase/research_activity_areas/kedri/rccidss.shtml#projects
Adaptive Fuzzy Expert Systems has been done before in academic
and industry commercial applications but there are always new techniques emerging all the time. The numerical computing techniques used
was the "gradient descent" that is used in neural network multi-layer
perceptrons.
The way I see state-of-the-art rule-based-systems currently available or
up-and-coming systems will be shifted from static rule-based systems to
ADAPTIVE (self-aware or self-tune) Expert systems. It will be the norm of the near future, and JESS + FuzzyJ will be right at it. This is not my prediction , it is the evolving trend at the moment as seminars on the subject are frequently announced for the "Soft-Computing" mailing list from Berkeley.
I have been interested in this subject (Adaptive or Neuro-Fuzzy expert system) for a while, and I am currently attempting to combine FuzzyJ with JOONE (Java Object Oriented Neural Engine) which is an open source Java Neural Network API. My models works in MatLab but the next step is to try and replicate it in Java using FuzzyJ and JOONE, because some of the functions in MatLab Fuzzy Logic toolbox are not available in FuzzyJ. I have written some extra Java classes to supplement FuzzyJ. Once FuzzyJ and JOONE can work together and then the rest can be done with ease. This means this neuro-fuzzy package will be easily integrated with JESS thus having the ability to develop adaptive fuzzy expert systems in Java.
One of the author's of the article Prof Nik Kasabov has been using CLIPS and FuzzyCLIPS in the past. I do not know whether he is using JESS or not, because he indicated to me last year (2003) that he is keen to get his group (Knowledge Engineering Center) to adopt JESS.
Cheers, Sione.
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