Re: [relax-ng] New article on RELAX NG vs W3C XML Schema

[David RR Webber - XMLGlobal <Gnosis_@compuserve.com>]

I forwarded the excellent XML.com article to the 
XML/edi Group.

I thought Betty's comments here an excellent
adjunct.

DW.

-------------Forwarded Message-----------------

From:	Betty Harvey, INTERNET:harvey@eccnet.com
To:	, INTERNET:xmledi-group@disa.org
	
Date:	1/24/2002  9:57 PM

RE:	Re: [relax-ng] New article on RELAX NG vs W3C XML Schema

 

Actually, the lion's share are using DTD's and are waiting to see what
happens with Schemas.  The clients that I have who had developed Schemas
have contacted me 'after the fact' and are now trying to figure out
how to use them |-).

I know DTD's are not 'politically correct' but they work and have a long
history (as long as EDI) and are suitable for most applications.

Before organizations decide to blindly follow Schema (W3C, RelaxNG or
whatever) or DTD's they need to define their requirements. I am finding
that organizations are blindly following Schema because of the hype
without real information.

We have seen so much hype revolving around XML in the last few years.
The real success stories are the ones that looked at their requirements
and used XML where it fit their business model.  We have seen some
major failures where organizations were not well informed!

XML is really cool and can be used in many useful and productive ways that
no one has even thought of yet but when organizations are sold a 'bill of
goods' it can lead to failure.

Before XML can be deployed successfully a real understanding of the
business models and information is required.  The schema (W3C, RelaxNG,
XML Data Reduced, ...)  or DTD or whatever is just the vehicle for
identifying and processing information in a standardized way.

Betty

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
Betty Harvey, XML Consultant,        | Phone: 410-787-9200 FAX: 9830
Electronic Commerce Connection, Inc. |
harvey@eccnet.com                    | Washington,DC SGML/XML Users Grp
URL:  http://www.eccnet.com          | http://www.eccnet.com/xmlug/
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\/\/



On Thu, 24 Jan 2002, Mike Rawlins wrote:

> So, getting to my question, I take it from your answer that your clients are using
> W3C Schemas?
>
> Do they know what Relax NG is, and if so, have they considered it?
>
> Betty Harvey wrote <snipped>:
>
> >         This is really a hard issue.  There are problems with the W3C
> > schema specification.  Every W3C situation I have encountered with my
> > clients who have contracted to have a W3C Schema created has issues.  The
> > schema parses with the tool that was used to create the schema but does
> > not parse on any other schema parser.  IMHO this is a very serious
> > situation. This means that the user is locked into a vendor specific
> > product.  I don't believe this is because of vendor's diligence but
> > because of ambiguities in the specification.
>
> Yeah, W3C schema is not perfect, but I think you could find the same problems with
> V1 of lots of specifications and V1 of nearly every product that implements a new
> specification.
>
> >         I believe RelaxNG is getting some 'wings' behind it because of
> > the OASIS-Open endorsement and the fact that it is going through ISO.
> > Timing is critical though, as we all know.  The best solution doesn't
> > always win.
>
> My point exactly.  Such decisions are often made for non-technical reasons.
>
> --
> Michael C. Rawlins, Rawlins EC Consulting
> www.rawlinsecconsulting.com
>
>
>
>
> ------   XML/edi Group Discussion List   ------
> Homepage =  http://www.XMLedi-Group.org
>
> Unsubscribe =  send email to: xmledi-group-leave@disa.org
> Leave the subject and body of the message blank
>
> Questions/requests:  xmledi-group-owner@disa.org
>
> To receive only one message per day (digest format)
> send the following message to listserv@disa.org,
> (leave the subject line blank)
>
> digest xmledi-group your-email-address
>
> To join the XML/edi Group complete the form located at:
> http://www.xmledi-group.org/xmledigroup/mail1.htm
>
>

-- 




------   XML/edi Group Discussion List   ------
Homepage =  http://www.XMLedi-Group.org

Unsubscribe =  send email to: xmledi-group-leave@disa.org
Leave the subject and body of the message blank

Questions/requests:  xmledi-group-owner@disa.org

To receive only one message per day (digest format) 
send the following message to listserv@disa.org, 
(leave the subject line blank) 

digest xmledi-group your-email-address

To join the XML/edi Group complete the form located at:
http://www.xmledi-group.org/xmledigroup/mail1.htm






----------------------- Internet Header --------------------------------
Sender: xmledi-group-return@disa.org
Received: from enterprise.disa.org ([65.201.162.100])
	by siaag1ae.compuserve.com (8.9.3/8.9.3/SUN-1.12) with SMTP id VAA06164;
	Thu, 24 Jan 2002 21:56:55 -0500 (EST)
Received: from [65.201.162.99] by enterprise.disa.org (NTList 5.06.0016/NT3116.00.383cb209) with ESMTP id rwmngaaa for xmledi-group@outfw.disa.org; Thu, 24 Jan 2002 21:46:02 -0500
Received: (from daemon@localhost)
	by disa.org (8.9.3/8.9.3) id CAA67761
	for <xmledi-group@disa.org>; Fri, 25 Jan 2002 02:56:19 GMT
	(envelope-from harvey@eccnet.com)
Received: from UNKNOWN(207.168.47.3), claiming to be "eccnet.eccnet.com"
 via SMTP by opal.disa.org, id smtpdK67759; Fri Jan 25 02:56:04 2002
Received: from localhost (harvey@localhost)
	by eccnet.eccnet.com (8.11.0/8.8.7) with ESMTP id g0P2sgk05079;
	Thu, 24 Jan 2002 21:54:42 -0500
Date: Thu, 24 Jan 2002 21:54:42 -0500 (EST)
From: Betty Harvey <harvey@eccnet.com>
To: xmledi-group@disa.org
cc: XML/edi Group <xmledi-group@disa.org>
Subject: Re: [relax-ng] New article on RELAX NG vs W3C XML Schema
In-Reply-To: <3C50BC15.C5F815EA@rawlinsecconsulting.com>
Message-ID: <Pine.LNX.4.33.0201242136460.4785-100000@eccnet.eccnet.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-ListVersion: 5
X-ListMember: [xmledi-group@disa.org]