Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!edcastle!aiai!ken
From: ken@aiai.ed.ac.uk (Ken Johnson)
Newsgroups: comp.lang.prolog
Subject: Re: Fuzzy Prolog
Message-ID: <3403@skye.ed.ac.uk>
Date: 11 Sep 90 18:01:38 GMT
References: <6921.26ebb2bb@abo.fi>
Reply-To: ken@aiai.UUCP (Ken Johnson)
Organization: Bugs-R-Us
Lines: 17

In article <6921.26ebb2bb@abo.fi> hvirtanen@abo.fi (Harry Virtanen) writes:

>I'm planning to present a paper (if accepted) on this subject at the IFSA 91'
>Brussels congress. Any comments, or information on other existing Fuzzy Prolog
>systems are welcome

Look at Fril, distributed by Fril Systems Limited, which is some sort of
offshoot of the University of Bristol (UK).  Fril is a Lisp-look prolog
in which relations and facts have probability ranges, e.g.  `the
probability of this lies between 0.4 and 0.7'. 


-- 
Ken Johnson, AI Applications Institute, 80 South Bridge, Edinburgh EH1 1HN
E-mail ken@aiai.ed.ac.uk, phone 031-225 4464 extension 213
`I have read your article, Mr Johnson, and I am no wiser now than when I
started'.  -- `Possibly not, sir, but far better informed.'