Path: utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!unido!uklirb!shell
From: carasso@aludra.usc.edu (Roger RDC Carasso)
Newsgroups: comp.ai.shells
Subject: SHELL COMPARISON
Message-ID: <7539@uklirb.informatik.uni-kl.de>
Date: 13 Feb 91 07:08:45 GMT
Sender: shell@uklirb.informatik.uni-kl.de
Organization: GOOD: flowers, peace, sunshine; BAD: NUCLEAR WAR, EVIL
Lines: 51
Approved: shell@dfki.uni-kl.de
Posted-Date: Thu Feb 14 09:06:07 GMT 1991

This info was given to me by a friend who is a knowledge engineer:

Expert Systems Tool Comparison
------------------------------
			Art-IM        Nexpert      KBMS
			by Inference  Neuron Data  AICORP
------------------------------------------------------------------
Written in 		C		C		C

Platforms	
  PC			Y		Y		Y
  Mini			Y		Y		N
  Mainframe		Y		N		Y
  Workstation		Y		Y		N

Operating Systems
And Packages
  UNIX			Y		Y		N
  DOS			Y		Y		Y
  WINDOWS		Y		Y		N
  MVS			Y		N		N
  VMS			Y		Y		N
  OS2			Y		Y		Y

Reasoning Strategies 
  Forward Chaining      Y		Y		Y
  Backward Chaining     (Y)		Y		Y
  Mixed 		(Y)		Y		Y
  Uncertainty Reasoning (Y)		(Y)		N
  Hypothetical Reasoning (Y)		(Y)		(Y)
  Object Oriented	Y		Y		Y
  Truth Maintenance	Y		N		N

Knowledge Representation
  Multiple Inheritance    	Y	N		Y
  Override of Inheritance 	Y	Y		Y
  Full inheritance of defaults  Y	N		Y
  Structured values		Y	N		N
  Methods			Y	Y		Y

Professional Services
  Tutorial		Y		N		Y
  Product Training  	Y		N		Y
  Consulting		Y		N		N

Y = YES
N = NO
(Y) = No, but can be easily built in native language

---------------------
Roger