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Re: what's missing in XML? What's coming?
- From: BillClare3@aol.com
- To: firstname.lastname@example.org
- Date: Tue, 3 Jan 2012 10:04:12 -0500 (EST)
Two thoughts on an interesting topic that could address
the fundamentals of XML evolution.
Something to add: Full data type specifications with
properties, constraints, associations and event driven methods. This
can move much of behavior specification and implementation out of the
agent. With this, by the way, schema, as currently
constructed, specify constructors for data types, not the data types
Something to remove: Distinctions between element
attributes and contents.
In a message dated 1/2/2012 1:06:16 P.M. Eastern Standard Time, email@example.com
2012-01-02 at 10:27 -0500, David Lee wrote:
> What's missing
David, thanks for replying!
> 1) A Standard (or well
adopted convention) for Serialized XDM so that
> programs may exchange
XDM in addition to XML
I think (Rich Salz notwithstanding) EXI 2 may do
this. Remains to be
seen, but I hope so.
> 2) Better support for
XDM in XQuery and XSLT to allow the input 'document'
> to be any XDM
value, and corresponding support in the implementations to
read such data (see #1)
I'm not sure on the status of this; the first part
is already there I
think, unless you're asking for a further relaxing of
constraints in the
XDM - in which case please file a comment against the
last call draft of
the XDM 3.0 that was published in December; the Status
section of the
document has a link to the Bugzilla instance for doing
As for implementations - can you think of ways we could test it?
feel free to contribute tests, or to join the WG :-) or just to bug
> 3) Adoption of the JSON Data model into
XDM so that XPath/XSLT/XQuery/Schema
> can be directly used on JSON
> 4) A standard/convention for JSON /
XDM conversions to allow #1 as both
> input and
Not sure if this is premature, but it may fall under your No, 3
> 5) "Excel for XML" (or XDM see #1) so prevalent and
accepted that it becomes
> acceptable to pass XML among business
partners instead of having to convert
> to/from CSV or XLS.
that would be nice. It'd have to offer a business advantage - one
. lower cost
. enabling (things you couldn't do
Thanks for the feedback!
Liam Quin -
XML Activity Lead, W3C, http://www.w3.org/People/Quin/
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