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                     Call for Participation

         WORKSHOP ON CONCURRENCY AND OBJECT ORIENTATION

           to be held at TOOLS EUROPE '93, Versailles
              Tuesday, March 9, 1993, 14:00 - 18:00
          Chair:  Peter Lohr, Freie Universitaet Berlin



Past workshops on object-oriented concurrency have  mainly  dealt
with  concurrent  OO  programming languages.  Language issues are
still important (e.g., concurrency and inheritance, types of  ac-
tive  objects, etc.).  This workshop, however, is intended to ad-
dress a broader spectrum of issues.  Contributions to any  aspect
of  concurrent OO systems development are invited.  The following
topics might be of particular interest:

   Analysis and design:  How should we model concurrent  OO  sys-
   tems?   How  can we distinguish between implementation-related
   and implementation-independent concurrency concepts?  What  is
   the  interplay  between  concurrency  and  inheritance  on the
   design level?  How  can  we  formally  specify  concurrent  OO
   designs?

   Parallel programming:  "Parallel programming" means concurrent
   programming  for  parallel  architectures, with a considerable
   speed-up in mind.  Can object-orientation, in  particular  in-
   heritance,  contribute  anything at all here?  Can inheritance
   be employed to improve portability between different architec-
   tures?

   Experience reports:  A wealth of concurrent OO  languages  has
   been  suggested,  many of them have been implemented, few have
   been used extensively.  What are the  experiences  in  solving
   real-life  problems and what conclusions can be drawn for pro-
   gramming methodology and language design?   Are  the  programs
   efficient?  Can anybody report on case studies for comparative
   analysis of different languages?

Note that this conference also hosts  a  workshop  (#1)  entitled
"Distributed  Objects".   That  workshop  focuses on object-based
language design and distribution; this one takes inheritance into
account  and  assumes  complete  distribution  transparency.  The
overlapping should be minimal.  If in doubt where to submit  your
contribution, ask one of the chairmen.

The workshop is open to all specialists in the field.  Attendance
is  by  invitation  only.   Rather  than  a  succession of formal
presentations, the workshop will be an opportunity for discussion
and interaction among the participants.

Invitations will be sent on the basis of position papers,  to  be
received before

                        January 31, 1993

by the chairman:

          Peter Lohr
          Institut fuer Informatik
          Freie Universitaet Berlin
          Nestorstrasse 8-9
          D-1000 Berlin 31
          Fax: +4930/89691-123
          E-mail: lohr@inf.fu-berlin.de

Position papers must be 1 to 5 pages long and describe  the   key
ideas of the author's work. They must indicate the author's name,
address, telephone, fax and e-mail. They must be in  camera-ready
copy  form,  suitable for direct reproduction and distribution to
the workshop participants.  Please submit your contribution  both
in paper form and in Postscript format by e-mail.  Authors of ac-
cepted position papers will be notified  by  February  15,  1993.
There  will be advance access to the accepted position papers via
anonymous ftp.

Participation in the workshop includes lunch and a  copy  of  the
position   papers.   Participation  is  free  to participants re-
gistered for the TOOLS conference; the price for others  is   500
French Francs covering expenses.

For  any  further  information  about  the  workshop  please con-
tact    the   workshop   organizer  at  the  above  address.  For
information on the TOOLS conference and tutorials, or to   obtain
a  registration  form (paper or e-mail), please contact the TOOLS
secretariat:

     TOOLS Europe
     104 rue Castagnary
     75015 Paris
     France
     Telephone +33-1-45 32 58 80, Fax +33-1-45 32 58 81
     E-mail tools@eiffel.fr