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Date:Mon Oct 18 02:43:59 2000 
Subject:Re: poplog flex (and HipWorks) 
From:john.postoyko 
Volume-ID:1001018.01 

Thanks for the help.


Aaron Sloman See text for reply address <Aaron.Sloman.XX@cs.bham.ac.uk>
wrote in message 8s9tid$2g2k$1@soapbox.cs.bham.ac.uk">news:8s9tid$2g2k$1@soapbox.cs.bham.ac.uk...
> [To reply replace "Aaron.Sloman.XX" with "A.Sloman"]
>
> John wrote :-
> >Can anyone tell me if Poplog Flex available under the Free poplog scheme
?
>
> I suspect that Flex cannot be made available as it remains a commercial
> (prolog-based) product, owned by LPA:
>
> > http://www.lpa.co.uk          email: clive@lpa.co.uk
> > LPA, Studio 4, RVPB, Trinity Rd, London, SW18 3SX, UK
> > Tel: 0181 871 2016 (UK)       Tel: 028 36240 (Ireland)
>
> On the other hand, there is always Poprulebase, a forward chaining
> production system interpreter, implemented in Pop-11, which runs in
> Poplog, is free of charge, open source, and can if necessary invoke
> prolog in its conditions or its actions, since they can invoke
> arbtrary pop-11. It is the core of the sim_agent toolkit.
>
> (It doesn't (yet) have the "English-like" syntax option of Flex. However
> the procedures for reading in conditions and actions are user-definable,
> so you can change the syntax as long as the procedures return
> appropriate lists).
>
> A "noddy" introduction to rule-based programming and Poprulebase is
> in this file, with some examples.
>     http://www.cs.bham.ac.uk/research/poplog/prb/teach/rulebase
>
> A more elaborate introduction is in
>     http://www.cs.bham.ac.uk/research/poplog/prb/teach/poprulebase
>
> A systematic overview of the core facilities is in
>
>     http://www.cs.bham.ac.uk/research/poplog/prb/help/poprulebase
>
> and other files in the same directory. (I have not yet had time
> to construct REF files.)
>
> Examples giving planning mechanisms, including the use of meta-rules
> (i.e. a rule that gets some of its conditions from the database) can be
> found here:
>     http://www.cs.bham.ac.uk/research/poplog/prb/teach/prbriver
>
> A history of changes can be found in
>     http://www.cs.bham.ac.uk/research/poplog/prb/help/prb_news
>
> The whole package is available in
>     http://www.cs.bham.ac.uk/research/poplog/prb.tar.gz
>
> or as part of the whole sim_agent toolkit
>     http://www.cs.bham.ac.uk/research/poplog/newkit.tar.gz
>
> The toolkit enables multiple interacting agents to have their own
> rulesystems running "concurrently".
>
> Poprulebase can be used together with the graphical tools in RCLIB
> (e.g. control panels for asynchronous control) described in:
>     http://www.cs.bham.ac.uk/research/poplog/rclib/help/rclib
>
> (This does not require motif,and does not use propsheet.)
>
>
> All the above are available from the Free Poplog Site
>     http://www.cs.bham.ac.uk/research/poplog/freepoplog.html
>
> And at this site (which may have slightly older versions of
> Birmingham packages, but has other goodies):
>     http://www.poplog.org
>
> Comments, criticisms, suggestions welcome.
>
> Steve wrote:
> > Good question!  And what about HiPworks, while we are on the subject of
> > what got released and what didn't?
>
> HiPworks was developed collaboratively by Sussex and ISL in a
> separate project from Poplog. I don't know if it was part of the
> agreement between Sussex and SPSS to make poplog freely available
> to both.
>
> Maybe someone from ISL/SPSS or Sussex can comment?
>
> Aaron
> ===
> Aaron Sloman, ( http://www.cs.bham.ac.uk/~axs/ )
> School of Computer Science, The University of Birmingham, B15 2TT, UK
> EMAIL A.Sloman AT cs.bham.ac.uk   (ReadATas@please !)
> PAPERS: http://www.cs.bham.ac.uk/research/cogaff/
> FREE TOOLS: http://www.cs.bham.ac.uk/research/poplog/freepoplog.html