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           [N.B. Deadline extended to April 13th]

                       Call For Papers

International Workshop on Aliasing, Confinement and Ownership
          in object-oriented programming (IWACO)

                        at ECOOP 2009

                  July 7, 2009, Genova, Italy

The power of objects lies in the flexibility of their
interconnection structure. But this flexibility comes at a cost.
Because an object can be modified via any alias, object-oriented
programs are hard to understand, maintain, and analyse. Aliasing
makes objects depend on their environment in unpredictable ways,
breaking the encapsulation necessary for reliable software components,
making it difficult to reason about and optimise programs, obscuring
the interactions between objects, and introducing security

Aliasing is a fundamental difficulty, but we accept its presence.
Instead we seek techniques for describing, reasoning about,
restricting, analysing, and preventing the connections between
objects and/or the interactions between them. Promising
approaches to these problems are based on ownership, confinement,
separation logic, uniqueness, sharing control, escape analysis, 
argument independence, read-only references, effects systems, and 
access control mechanisms.

The workshop will generally address the question how to manage
interconnected object structures in the presence of aliasing.  In
particular, we will consider the following issues (among others):

* models, type and other formal systems, programming language
mechanisms, analysis and design techniques, patterns and
notations for expressing object ownership, aliasing,
confinement, uniqueness, and related topics.

* optimisation techniques, analysis algorithms, libraries,
applications, and novel approaches exploiting object ownership,
aliasing, confinement, uniqueness, and related topics

* empirical studies of programs or experience reports from
programming systems designed with these issues in mind

* programming logics that deal with aliasing, or use ownership,
confinement or resourcing;

* applications of aliasing management techniques such as
ownership types, ownership domains, confined types, region
types, and uniqueness to concurrency and reasoning.

We encourage not only submissions presenting original research
results, but also papers that attempt to establish links between
different approaches and/or papers that include survey material.
Original research results should be clearly described, and their
usefulness to practitioners outlined. Paper selection will be based on
the quality of the submitted material.

Program Committee

Matthew Parkinson      (University of Cambridge, Chair)
Cristiano Calcagno     (Imperial College)
Nicholas Cameron       (Victoria University of Wellington)
Christian Haack        (Aicas Realtime, Karlsruhe)
Rustan Leino           (Microsoft Research)
Yu David Liu           (SUNY Binghamton)
Ana Milanova           (Rensselaer Polytechnic Institute)
Aleks Nanevski         (Microsoft Research, Cambridge)
Noam Rinetzky          (Queen Mary University)
Tian Zhao              (University of Wisconsin-Milwaukee)

Important Dates

Submission:            April 13, 2009   [Extended]
Notification:          May 8, 2009
Final Version:         June 19, 2009
Workshop:              July 6 or 7, 2009


Sophia Drossopoulou    (Imperial College London)
Dave Clarke            (KU Leuven)
James Noble            (Victoria University of Wellington)
Tobias Wrigstad        (Purdue University)
Peter Muller           (ETH Zurich)


The number of participants is limited.  Apart from those with accepted
papers, others may attend by sending an email to Matthew Parkinson
(mj...@cl.cam.ac.uk) indicating what contribution you could make to
the workshop.  A small number of places will be reserved for PhD
students and other researchers wishing to begin research in this area.

Selection Process

Both full papers (up to 10 pages) and position papers (1-2 pages) are
welcome. All submissions will be reviewed by the programme committee.
The accepted papers, after rework by the authors, will be published in
the Workshop Proceedings, which will be distributed at the
workshop. All accepted submissions shall remain available from the
workshop web page.

Papers should be submitted to easychair by April 13, 2009.
Submissions should be in English.


Queries may be directed to Matthew Parkinson (mj...@cl.cam.ac.uk).

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