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Istar.readme
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Short: Knowledge Based System Inference Net Builder
Author: Andrew@basden.demon.co.uk
Uploader: Andrew@basden.demon.co.uk
Version: 1.092
Type: dev/misc
ISTAR
Istar is a knowledge based system builder that allows you to construct
inference nets, bayesian nets and semantic nets. It has a particularly
nice user interface, with a smoothness that only Amiga hardware can give.
So it is useful for decision support, to help you clarify complex ideas.
You build your knowledge base by drawing boxes and arrows, and then
can run the KB direct. See docs/Intro or docs/index.html (which have
the same content) to get going. Most documentation is now in html.
See the following Web pages:
The main Istar page is
http://www.basden.demon.co.uk/pgm/Istar
and mirrored on
http://www.salford.ac.uk/its274/pgm/Istar
The main (but old) INCA project page is
http://www.salford.ac.uk/iti/projects/inca/inca.html
NEW IN THIS VERSION (See docs/history.html)
Version 1.092 introduces reset values, which allows you to specify
a default value to which an attribute will be set when a question is
asked (previously it showed the value left there from previous
working. See history.html). A few enforcer hits had been found
and these have been fixed; see bugs.html. Help buttons are now
available on forms.
PLANS
Next main version I hope to have facilities to obtain information
via ARexx and the internet.
COPYRIGHT
Istar, all versions, are copyright (C) Andrew Basden, University
of Salford, Salford, M5 4WT, U.K. Andrew@basden.demon.co.uk.
The version with this file can be used freely as long as all copies
of it include the name 'Istar' in their file names whereever they
are stored and as long as this file and copyright notice is
kept with the file.
SYSTEM REQUIREMENTS
Known to work on Amiga 1200, 3000, 4000. Will just about run in
2Mb machines, but recommend use the IstarPrefs_LowMem as your
preferences file.
Assigns needed (can work without them):
IstarSys: (has IstarPrefs and, in future, other things)
KBTools: where KBs are saved etc.
Fonts used (unless specified in IstarPrefs):
Courier
Garnet
Topaz
Libs used:
iff.library (but can work without it)
It works best if you assign KBTools: to the directory where you keep
your knowledge bases, and IstarSys: to a directory where various system
files are kept. At present, the only file sought in IstarSys is IstarPrefs.
Otherwise just starts as Sys: root.
FILES INCLUDED:
Istar Main program.
This Istar.readme and Intro files.
Preferences files.
Documentation. Most is now html and cross-linked
for easy reference. docs/Intro is an ascii version of index.html.
Sample knowledge bases.
Installation script.
DISCLAIMER:
Istar is supplied as-is.
Istar is still under development. Some of its buttons do not work
because they are not attached to anything yet. Some of its more
exotic data transformations do not yet work. See bugs.html.
Let me know what you think of it, by mailing me at Istar@basden.demon.co.uk
Andrew Basden.
11.2.99