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