;;;; -*- mode:Lisp; syntax:Common-Lisp; package:user -*- ;;;;
;;;; Copyright 1992 Patrick H. Winston.  All rights reserved.
;;;; Version 1.1.1, transferred from master disk on 23 Apr 93
;;;;
;;;; This file may reference other files containing copyrighted software.
;;;; Any restrictions on the use of such software are described in the
;;;; files containing that software.  This file may be freely copied as
;;;; long as this notice is kept intact.

;;;; Purpose: program support for Chapter 8, 
;;;; Rules, Substrates, and Cognitive Modeling

;;;; REMARKS

#|

This program illustrates SOAR's preference mechanism only.

|#

;;;; LOAD SEARCH AND PREFERENCE SYSTEM
(load "prefer.lsp")

;;;; LOAD SEARCH TEST DATA
(load "cities.lsp")

;;;; RUN SEARCH VARIENTS

(format t "~%~%Searching depth-first search from s to g.")
(progn (make-text-cities) (depth-first-search 's 'g))

(format t "~%~%Searching breadth-first search from s to g.")
(progn (make-text-cities) (breadth-first-search 's 'g))