The Free On-line Dictionary of Computing (30 December 2018):

C Language Integrated Production System
CLIPS

    (CLIPS) A language produced by Gary Riley of NASA
   JSC in Houston, Texas, for developing expert systems, with
   the inferencing and representation capabilities of OPS5 and
   support for forward chaining rule-based, object-oriented
   and procedural programming.  CLIPS has a Lisp-like
   syntax.  It is available for MS-DOS and comes with source
   code in C.

   COSMIC, U Georgia, (404) 542-3265.  Austin Code Works
    (512) 258-0785.

   Versions include CLIPS 5.1, CLIPS/Ada 4.3 and CLIPS6.0 (see
   PCLIPS).

   (http://jsc.nasa.gov/~clips/CLIPS.html).

   E-mail: .

   Telnet: cosmic.uga.edu, user: cosline.

   U. Michigan
   (ftp://earth.rs.itd.umich.edu/mac.bin/etc/compsci/Clips/),
   ENSMP, France (ftp://ftp.ensmp.fr/pub/clips/).

   ["Expert Systems: Principles and Programming", Joseph
   Giarratano and Gary Riley, PWS Publ 1994, ISBN 0-534-93744-6].

   (1994-12-16)