[Please note: Deadline for experience reports extended by one week]
               [Apologies if you receive multiple copies]
	   [Please forward to anyone who may be interested]

			CALL FOR PARTICIPATION

	   W3C Workshop on XML Schema 1.0 User Experiences


The W3C is organizing a Workshop on XML Schema 1.0 User Experiences to
gather concrete reports of user experience with XML Schema 1.0, and
examine the full range of usability, implementation, and
interoperability problems around the specification and its test suite.

   When:  21-22 June 2005
   Where: Oracle Conference Center, Redwood Shores, CA, USA

The full Call for Participation is available at:

      http://www.w3.org/2005/03/xml-schema-user-cfp

---------------------
Important Information
---------------------

Other important dates and deadlines for this workshop are:

    27 May 2005:  Experience reports due [extended]
    6 June 2005:  Program available
    10 June 2005: Registration closes
                  (N.B. registration will close earlier if full)

Please note that:

   - If you would like to report your experience, but are unable to
     attend the workshop, we still welcome your user experience report.
   - There will be a limit of 60 participants; first come, first
     serve, so register soon.
   - Attendance is open to everyone, including non-W3C members,
     but each organization or individual wishing to participate
     must submit an experience report.
   - To ensure maximum diversity among participants, the number of
     participants per organization will be limited to two individuals.
   - There is no registration fee.

-----------------
Workshop Overview
-----------------

   This workshop will gather concrete reports of user experience with
   XML Schema 1.0, and examine the full range of usability,
   implementation, and interoperability problems around the
   specification and its test suite. Topics of discussion include, but
   are not limited to, the use of XML Schema in vocabulary design, Web
   Services description and toolkits, XHTML, XML Query, and XML Schema
   editors.

   Expected participants include schema authors, authors or users of
   public or standard schemas, developers and vendors of schema-aware
   code generators, schema-aware middleware, schema validators, or
   other schema-related software, and the W3C XML Schema Working Group.

   Desired outcomes of the workshop include:
   * A plan of action for addressing existing interoperability issues
     connected with XML Schema 1.0.
   * A plan of action for addressing existing problems with XML Schema
     1.0 through errata and clarifications.

   Attendees are encouraged to bring (or provide in advance, in their
   user experience reports):
   * Use cases and proposed guidelines to address them using XML
     Schema.
   * Tests (or real schemas) with interoperability issues, whether the
     issues are due to a lack of clarity of the XML Schema
     specification or to discrepancies in the implementations.

We look forward to your participation and contributions to this
workshop.

--
Paul Biron, Paul Downey, David Ezell, Chris Ferris,
Erik Johnson, Philippe Le H=E9garet, Ashok Malhotra,
Dave Remy, C. M. Sperberg-McQueen
Workshop Programme Committee







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