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                    CALL FOR CONTRIBUTIONS

       First Workshop on Formal Languages and Analysis of
              Contract-Oriented Software  (FLACOS'07)

               Oslo, Norway, 9-10 October, 2007

The fast evolution of the Internet has popularized service-oriented
architectures with their promise of dynamic IT-supported inter-business
collaborations. Realizing this promise involves integrating services
which are geographically distant and are offered by a variety of
organizations which do not fully trust each other. Indeed, collaboration
presumes a minimum level of mutual trust. Wherever trust is perceived as
insufficient, business people turn to contracts as a mechanism to reduce
risks. The ability to negotiate contracts (e.g. for quality of service,
security, and distribution of information) and to provide services based
on them is therefore one of the most pressing needs to make collaborations
a reality. High-level models of contracts are slowly making their way into
service-oriented architectures, but application developers are still left
to their own devices when it comes to writing code that will comply with a
contract concluded just before service provision. At the programming
language level, contracts appear as separate concerns that crosscut through
application logic. The aim of this workshop is to bring together 
and practitioners working on language-based solutions to the above problem
through the formalization of contracts, the design of appropriate 
mechanisms that would guide the developer in the production of 
applications, and formal analysis of such contract languages/software.


      Paper Submission Deadline:        September 3, 2007
      Notification of Acceptance:       September 15, 2007
      Registration for authors closes:  September 25, 2007
      WORKSHOP:                         October 9-10, 2007

FLACOS'07 is partially supported by the Nordunet3 project 
Software Development for Internet Services".


Typical topics of the workshop include (but are not limited to):

* Formal languages for contracts
* Contract-oriented software development
* Formal analysis of contracts, including static analysis, run-time
  verification, and model checking techniques
* Contract synthesis
* Contract transformation and contract refinement
* Contract negotiation, discovery and monitoring


* Gilles Barthe (INRIA Sophia-Antipolis, France)
* Frank S. de Boer (CWI, The Netherlands)
* John-Jules Ch. Meyer (Utrecht University, The Netherlands) - To be 
* Marek Sergot (Imperial College, UK)
* Isabelle Simplot-Ryl (University of Lille 1, France)
* Valentín Valero Ruiz (University of Castilla-La Mancha, Spain

* More to be announced.


Authors wishing to give a talk at the workshop are requested to submit 
an abstract
of 1-3 pages (ps or pdf, printable on A4 paper) to [EMAIL PROTECTED] by
September 3, 2007. Submission of work submitted for formal publication 
and work in progress is permitted.

The abstracts of the accepted contributions will be available at the 
After the workshop, selected papers will be published in a special issue of
the Journal of Logic and Algebraic Programming (Elsevier) together with 
publications from NWPT'07.


* More information to follow.


* Pablo Giambiagi, SICS, Sweden
* Olaf Owe, University of Oslo, Norway (co-chair)
* Anders P. Ravn, Aalborg University, Denmark
* Gerardo Schneider, University of Oslo, Norway (co-chair)




* FLACOS'07 will be co-located with NWPT'07.

Gerardo Schneider - Dept. of Informatics, Univ. of Oslo
P.O Box 1080 Blindern, N-0316 Oslo, Norway
Phone: +47 22 85 29 71, fax: +47 22 85 24 01

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