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- --= SID = SIMTEL20 Ada Software Repository Item Description File = SID =--
- -- UNIT NAME : EXPERT
- -- VERSION : 1.0
- -- REVIEW CODE :
- -- DDN ADDRESS : N/A
- -- AUTHOR : Alan McDonley
- -- : Texas Instruments
- -- COPYRIGHT :
- -- DATE CREATED : 11 Sep 85
- -- DATE RELEASED : 3 Dec 85
- -- DATE LAST UPDATED : 3 Dec 85
- -- LOCATION : ASR
- -- ENVIRONMENT : VAX 11/785, VMS 4.1, DEC Ada
- --= CLASSIFICATION ===============================================--
- -- CATEGORY LEVEL 1 : Artificial Intelligence
- -- CATEGORY LEVEL 2 : Expert Systems
- -- CATEGORY LEVEL 3 :
- -- CATEGORY LEVEL 4 :
- -- KEYWORD : Expert System
- -- KEYWORD : Artificial Intelligence
- -- INDEX : Expert Systems
- -- INDEX : Systems, Expert
- -- INDEX : AI
- -- INDEX : Artificial Intelligence
- -- INDEX : Intelligence, Artificial
- -- INDEX : Goal-Driven System
- -- INDEX : Systems, Goal-Driven
- -- TAXONOMY :
- -- DEPENDENCIES :
- -- SEE ALSO :
- --= FILE LISTING ===============================================--
- -- FILE SPECS : PD:<ADA.AI>EXPERT.*
- -- DIRECTORY DISPLAY :
- -- Directory PD:<ADA.AI>
- -- File Name Byte Count Line Count
- -- --------------- ---------- ----------
- -- EXPERT.ADA 36105 1048
- -- EXPERT.DAT 890 28
- -- EXPERT.PRO 3368 69
- -- =============== ========== ==========
- -- 3 Files 40363 1145
- --= ABSTRACT ===============================================--
- -- EXPERT is a backward chaining or goal driven expert system.
- -- It is based on two articles, first Sept 1981 BYTE (Duda and Gaschnig)
- -- published the expert system in BASIC skirting the use of recursion,
- -- second Jan/Feb 85 issue of JOURNAL OF PASCAL,ADA, & MODULA-2 (Darrell
- -- Morgeson) published in Modula-2 with recursion implemented. The
- -- listing had one logic error which caused pointer explosion on the last
- -- hypothesis in the GETRULE routine. This implementation follows the
- -- MODULA-2 design completely and was not designed from the ground up in
- -- Ada.
- --= REVISION HISTORY ===============================================--
- --
- -- DATE VERSION AUTHOR HISTORY
- -- 12/3/85 1.0 Alan McDonley Initial Release
- --= RELEASE NOTICE ===============================================--
- --
- -- This prologue must be included in all copies of this software.
- --
- -- This software is released to the Ada community.
- -- This software is released to the Public Domain (note:
- -- software released to the Public Domain is not subject
- -- to copyright protection).
- -- Restrictions on use or distribution: NONE
- --= DISCLAIMER ===============================================--
- -- This software and its documentation are provided "AS IS" and
- -- without any expressed or implied warranties whatsoever. No warranties
- -- as to performance, merchantability, or fitness for a particular
- -- purpose exist.
- -- The user is advised to test the software thoroughly before
- -- relying on it. The user must assume the entire risk and liability of
- -- using this software. In no event shall any person or organization of
- -- people be held responsible for any direct, indirect, consequential or
- -- inconsequential damages or lost profits.
- --======================================================================--
-