OPS5
A programming language for rule -based {production
systems }. A rule consists of pre -condition (s ) and a resulting
action .
The system checks its {working memory } to see if there are
rules whose pre -conditions are satisfied , if so , the action in
one selected satisfied rule is executed .
There is a {public domain } implementation of an OPS5
interpreter } written by Charles L . Forgy
in 1977 . It was first implemented in {Lisp } and later in
BLISS }. It was also ported to {Common Lisp } by George Wood
and Jim Kowalski .
CLIPS } is a language for writing {expert systems }, with some
of the capabilities of OPS5 .
See also {C5 }, {OPS83 }, {OPS4 }, {OPS5 }, {OPS83 }.
Inference Engine Tech , Cambridge MA .
An OPS5 interpreter in Common LISP
ftp ://ftp .wustl .edu /mirrors /Unix -c /languages /ops5 )}.
A version by Mark Kantrowitz
ftp ://ftp .cs .cmu .edu /afs /cs .cmu .edu /user /mkant /Public /Lisp /)}.
.
Programming Expert Systems in OPS5 ", L . Brownston et al , A -W
1985 ].
An OPS5 Primer ", Sherman et al , comes with OPS5 for DOS ].
Rule -Based Programming in the Unix System ", G .T . Vesonder ,
AT &T Tech J 67 (1 ), 1988 ].
1995 -08 -18 )
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