From The Free On-line Dictionary of Computing (19 January 2023):
SOAR
1. State, Operator And Result. A general problem-solving
production system architecture, intended as a model of human
intelligence. Developed by A. Newell in the early 1980s.
SOAR was originally implemented in Lisp and OPS5 and is
currently implemented in Common Lisp. Version: Soar6.
E-mail: <soar@cs.cmu.edu>.
["The SOAR Papers", P.S. Rosenbloom et al eds, MIT Press
1993].
(1994-11-04)
2. Smalltalk On A RISC. A RISC microprocessor designed by
David Patterson's at Berekeley.
(1994-11-04)