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   Re: [xml-dev] Co-operating with Architectural Forms

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Ronald Bourret <rpbourret@rpbourret.com> writes:

> Lars Marius Garshol wrote:

> > * Ronald Bourret

> > | How rich are the transformations that AFs can
> > | perform? Can they do anything more than renaming?

> > They can do slightly more, but not much. They can
> > leave out elements, turn elements into attributes,
> > and vice versa. There are also some things relating
> > to defaulting etc.

> How useful is that in the real world? That is, if
> company A defines one format for invoices and company
> B defines another format, what are the chances that
> these are (hierarchically) similar enough that I can
> define AFs to process them as a single format? My gut
> reaction is that this is unlikely.

Right, Ron.  The AF paradigm is not for everyone, and
it's not useful for every purpose.

AFs provide a way for Companies A and B to *cooperate*
with each other to maintain one or more common base
syntaxes that will permit them to interchange
information reliably, and point the finger of blame
when information interchange fails to occur, but
without giving up any sovereignty that they wish to
retain over their separate-but-derived syntaxes.

If A and B haven't chosen to cooperate (or, more
accurately, if they don't both happen to use (any of)
the same base architecture(s), for whatever reason),
AFs have nothing to offer.

The act of cooperating can have many benefits in
addition to the benefit of reliable information
interchange, while retaining local control of the
details.  AFs just provide a tangible, workable goal
for cooperative efforts that use syntax as the basis of
cooperation.  That's not an insignificant thing.

-- Steve

Steven R. Newcomb, Consultant

voice: +1 972 359 8160
fax:   +1 972 359 0270

1527 Northaven Drive
Allen, Texas 75002-1648 USA


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