Public Domain OPS5 wanted.

[Thomas M.]

Does anybody know where to get a public domain OPS5 (source or objectcode)
running on IBM-PCs - maybe on the net?
There should be an unmaintained Common-Lisp version which I think could be
ported to GCL or XLISP. Performance is not the main point although the es-
sentials (RETE-Match) should be included.
It seems to be common for the people who advert PC-OPS5s not to make any
comment about inclusion of the Rete-Match. They only make proposals like:

" Our implementation is so efficient that you'll think your PC is a full-
sized mini-computer."

There are even some "full implementations" which do not use Rete-Match!
Has anybody had any experience with

- Sierra OPS5 by Inference Engine Technologies
- OPS5+
- TOPSI 2.0

Are these programs full implementations (given VAX-OPS5 as kind of reference)?
I would be very thankful for every comment on the topics mentioned above.

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[Clarence Wilkerson]

to run on the P2200. It works fine in hidensity graphics mode. I didn't
use other modes.
Clarence Wilkerson, Dept. Math. Cornell University