4th International Workshop on
          XQuery Implementation, Experience and Perspectives
            http://research.yahoo.com/workshops/ximep-2007/

                          ---------------

                           June 15, 2007
                       Beijing International
                       Convention Center (BICC)
                           Beijing, China
                   sponsored by ACM SIGMOD 2007

                          ---------------

XIME-P 2007 invites original research contributions as well as reports on industrial efforts on the implementation, utilization, and overall prospects of XQuery.  Like the 2004 (Paris), 2005 (Baltimore), and 2006 (Chicago) editions of the XIME-P workshop series, XIME-P 2007 will be held just after and in cooperation with the ACM SIGMOD/PODS conference (http://sigmod07.riit.tsinghua.edu.cn/), this time in Beijing, China.

On January 23rd 2007, the family of XQuery specifications became W3C Recommendations (http://www.w3.org/2007/01/qt-pressrelease). As the work on XQuery now moves toward even more powerful features, such as updates, full-text or scripting extensions, XIME-P 2007 is the ideal event to discuss the state XQuery and weigh on its future.

One of the core fascinating aspects of XQuery is that work on the language specification itself, its implementation, and its application happens at the intersection of databases, document processing, and programming languages. Computer science research and industry has thus found quite a number of promising -- sometimes completely disjoint -- avenues to approach challenges in the XQuery domain.  This diversity in contributions and attendees has been a source of lively discussions, panels, and lead to an interesting technical program for previous XIME-P editions.

For 2007, we encourage forward-looking contributions that explore what future evolutions to XQuery would be useful for novel applications. Such applications may include, but are not limited to, XQuery support for Web services applications, distributed programming with XQuery, search applications with XQuery, and support for Workflow applications. The XIME-P 2007 program will feature talks on research as well as industrial efforts on the implementation and utilization of XQuery.  Experience shows that the bulk of submissions will come from the database community, but it is expected to see contributions from the type theory and programming language domains as well (see above). We believe that this makes XIME-P 2007 an event of considerable interest for both, SIGMOD and PODS attendees.


-- XIME-P 2007 Topics of Interest

Topics of interest include the following (though interesting and/or innovative papers on all aspects of XQuery are welcome):

  - Impact and implementation of static and dynamic typing
  - The role of validation in efficient XQuery processors
  - XQuery implementation paradigms: native, relational, streaming
  - XQuery debugging (esp. declarative debugging techniques)
  - XQuery and computing in the sciences
  - XQuery over very large XML instances
  - XQuery as a programming or scripting language
  - Coherent XQuery subsets and embedded XQuery processors
  - Exploiting XQuery's unordered {} and fn:unordered() in relational
    XQuery processors
  - Teaching XQuery (XQuery in curricula and courses in general)


-- Paper Submission

XIME-P 2007 calls for original contributions relevant to the open list
of topics sketched above.  We explicitly welcome reports on
innovative, off-beat, and ''early stage'' approaches to the
implementation and application of XQuery as long as the submission
meets the high quality standards of the XIME-P workshop series.

   - Papers should be formatted according to the ACM guidelines and
     SIG proceedings templates available at

         http://www.acm.org/sigs/pubs/proceed/template.html

   - Papers should not exceed 6 pages in length (including references
     and appendices).  The mandatory submission file format is PDF.

   - The link to the submission site can be found on the XIME-P 2007
     web site (http://research.yahoo.com/workshops/ximep-2007/) shortly.

The primary publication medium for XIME-P has been and will be SIGMOD
DiSC.  This mode of publication ensures wide dissemination and high
visibility (e.g., in the ACM Digital Library and Michael Ley's DBLP
index).  Online proceedings will additionally hosted at the workshop
web site, http://research.yahoo.com/workshops/ximep-2007/.


-- Important dates:

  Paper submission:             Fri, April 6, 2007
  Notification:                 Fri, May 11, 2007
  Camera ready papers due:      Mon, May 28, 2007
  Workshop:                     Fri, June 15, 2007


-- Workshop Co-Chairs

For any information, please contact one of the workshop chairs:

  Dr. Jayavel Shanmugansundaram         Dr. Jerome Simeon

  Yahoo! Research                       IBM Watson Research
  2821 Mission College Blvd             19 Skyline Drive
  Santa Clara, CA 95054                 Hawthorne, NY 10532
  - USA -                               - USA -

  http://research.yahoo.com/~jaishan    simeon@us.ibm.com


-- Program Committee

  Veronique Benzaken        (LRI, Universite Paris Sud, France)
  Peter Boncz               (CWI, Netherlands)
  Don Chamberlin            (IBM Almaden Research Center, USA)
  Chin-Wan Chung            (KAIST, Korea)
  Leonidas Fegaras          (University of Texas at Arlington, USA)
  Mary Fernandez            (AT&T Research, USA)
  Giorgio Ghelli            (University of Pisa, Italy)
  Sven Helmer               (Birkbeck College, University of London, UK)
  Donald Kossmann           (ETH Zurich, Switzerland)
  Muralidhar Krishnaprasad  (Oracle, USA)
  Christoph Koch            (Saarland University, Germany)
  Laks Lakshmanan           (University of British Columbia, Canada)
  Philippe Michiels         (University of Antwerp, Belgium)
  Ravi Murthy               (Oracle, USA)
  Paul Pedersen             (FLWOR Foundation, USA)
  Michael Rys               (Microsoft, USA)