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   Re: [xml-dev] Complex Systems [was: Ontologies vs Schemas vs Transformat

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A complex system is one that has lots of parts, which interact,
and the system behaves in a seemingly non-deterministic fashion

Roger, I think you meant to say seemingly *deterministic* fashion...

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton

"Roger L. Costello" wrote:
> Hi Mike,
> Mike Champion wrote:
> > But how about the messy real world most of us must
> > operate in, where there is an intent to deceive
> > (spammers, virus writers, software companies with
> > patents on common sense, politicians starting wars [or
> > questioning the definition of "is"], ad nauseum)? How
> > about in pop culture contexts where meanings of words
> > are changed literally for the fun of it?
> You make excellent points.  I will offer two comments:
> 1. In the RDF Primer are several examples of companies that are
> currently using RDFS ontologies.  Shelley Power's book on RDF also has
> examples.
> 2. Recently I have been doing some reading on "complex systems".  This
> is a new, highly interdisciplinary science that has its roots in Chaos
> Theory.  A complex system is one that has lots of parts, which interact,
> and the system behaves in a seemingly non-deterministic fashion.  A
> example of a complex system is the stock market - there are many parts,
> and one part (I think they call it an affector) can impact remote
> parts.  The complex systems people distinguish between a complex system
> and a complicated system.  An automobile engine is an example of a
> complicated system - if you understand all its parts then you can
> predict exactly how it will behave.  This is not a complex system.  A
> colleague defined a complex system as "a system that has dynamic
> complicatedness".
> As I read your words it occurred to me that what you are really talking
> about is a complex system.  As I learn more about complex systems, I
> intend to see how their techniques can be used to solve the issues that
> you raise.  This is exciting!  It might be fun to create a list to
> discuss semantics and data interoperability as a complex system?  I am
> just starting to learn about complex systems.  Does anyone have a lot of
> experience with it?   /Roger
> P.S. The Santa Fe Institute does work on complex systems.  Also, as does
> the New England Complex Systems Institute (http://www.necsi.org)
> P.S. A nice pop-science book on complex systems is called Complexity by
> Waldrup
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tel;work:(703) 902-6923
org:Booz | Allen | Hamilton;IT Digital Strategies Team
adr:;;8283 Greensboro Drive;McLean;VA;22012;
title:Senior Consultant
fn:Joseph M. Chiusano


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