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RE: A few things I noticed about w3c's xml-schema
- From: Michael Fitzgerald <firstname.lastname@example.org>
- To: Murali Mani <mani@CS.UCLA.EDU>, xml-dev <email@example.com>
- Date: Wed, 30 May 2001 11:51:30 -0700
I always enjoy Murali's comments, and I think time and reason will prove
that he has done his homework and is on the mark. I also believe that, in
the long term, good ideas prevail.
James Clark and Murata Makoto have certainly done their homework and RELAX
NG will prove it. I believe that their work on RELAX NG (the unification of
RELAX and TREX on JIS and ISO tracks) is some of the most important work
happening in XML now.
Anyone taking a close look at RELAX NG will find it difficult to assail.
Plus it is easy to use. Anyone interested in RELAX NG will benefit from
reading the latest tutorial at
anyone having more than a superficial suggestion on how to improve RELAX NG
will usually find a ready, listening ear on its completely open list
http://lists.oasis-open.org/archives/relax-ng/. The RELAX NG TC is sponsored
From: Murali Mani [mailto:mani@CS.UCLA.EDU]
Sent: Wednesday, May 30, 2001 9:52 AM
To: Bullard, Claude L (Len)
Subject: RE: A few things I noticed about w3c's xml-schema
At this point of time, i have seen some emails in xml-dev, and have gone
to *one* conference with a focus on XML, web and DBs.
I think as of now, I have a decent feel for three people -- James Clark,
Makoto Murata, and Tim Berners Lee. I am trying to place them and others
in the right perspective. I know a bit about Sperberg-McQueen and Tim
Bray, but not enough.
To me, w3c's XML-Schema is a short step towards the final goal which is
regular tree languages -- xml-schema is not for supporting operations. if
we try to tie up xml-schema with operations, it is a mistake. Look at all
the works on operations -- XDuce, document transformations in PODP etc,
they all use regular tree languages. Xml-Schema just does not seem to
I will try to polish my opinions, though i very strongly doubt if they
Also, I was not speaking for anyone, i have never contacted James Clark,
and the above are purely my own opinions, they do not reflect Makoto's
once again, i will request the schema WG to consider this, if they think
it is a worthwhile suggestion. There are people who are looking for
someone to verify the correctness of w3c proposals (for example, the CEO
of Propel requested researchers to actually take a look at this aspect).
I think the correctness of xml-schema will need some time to verify,
though i predict the final result is most likely to be xml-schema is
regards - murali.
On Wed, 30 May 2001, Bullard, Claude L (Len) wrote:
> Appeal to authority will not fix the perceived problems of XML Schema.
> XML Schema is approved and out the door. Apply it
> and report problems uncovered in application.
> Our bigger problem is being awash in a sea of too many
> meta-specs without a clear framework for using them.
> Ekam sat.h, Vipraah bahudhaa vadanti.
> Daamyata. Datta. Dayadhvam.h
> -----Original Message-----
> From: David E. Cleary [mailto:firstname.lastname@example.org]
> > less than a billion dollars. I think it will be good if they actually
> > listen at least now to what the real founders of XML have to say --
> > are people who have worked on XML way before anyone has even heard of
> > and they have worked on almost all problems including document
> > transformations and so on.
> So who are the "real founders" of XML you are speaking for? I assume they
> don't include Michael Sperberg-McQueen, Dan Connolly, Dave Hollander, Eve
> Maler, and Murray Maloney since they were all part of creating the XML
> Schema Recommendation.
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