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CICLOPS 2012 : 12th International Colloquium on Implementation of Constraint and LOgic Programming Systems


When Sep 4, 2012 - Sep 4, 2012
Where Budapest, Hungary
Submission Deadline Jun 20, 2012
Notification Due Jul 16, 2012
Final Version Due Jul 27, 2012
Categories    logic programming   constraints   artificial intelligence   programming languages

Call For Papers

CICLOPS 2012 - Call for Papers

12th International Colloquium on Implementation of
Constraint and LOgic Programming Systems

ICLP 2012 Workshop

4th September 2012
Budapest, Hungary
Submission deadline: June 20, 2012

This workshop aims at discussing and exchanging experience on the design, implementation, and
optimisation of logic, constraint (logic) programming systems, and other systems based on logic
as a means to express computations. Experience backed up by real implementations and their
evaluation will be given preference, as well as descriptions of work in progress in that direction.

Topics of interest include, but are not limited to:

- Sequential implementation schemes (abstract machines, translation to other languages, etc.).
- Implementation of concurrent and distributed logic and constraint programming systems.
- Type inference and type checking systems for CLP languages.
- Compile-time analysis and its application to code generation.
- Balance between compile-time effort and run-time machinery, dynamic compilation.
- Interaction between high-level optimisations/transformations/specialisation and low-level issues.
- Memory management and garbage collection issues.
- Indexing techniques and optimisations for large size programs.
- Optimisations for program generated logic and constraint programs.
- Implementation of logic engines in functional and object oriented languages.
- Embedding of logic and constraint programming engines in multi-paradigm systems.
- Techniques for alternative logic engines and inference mechanisms (ASP, SAT, QSAT, DL etc.).
- Extensions to the inference engine such as stochastic, probabilistic and quantitative elements.
- Theorem provers, proof assistants and logic based natural language processing systems.
- Implementation of object and agent-oriented extensions.
- Inductive logic programming.
- Object and module systems.
- Design and implementation of declarative I/O concepts.
- Implementations and ports of CLP systems for mobile devices.
- Documenting, debugging, testing, and profiling tools.
- Implementations of learning algorithms in logical environments.
- Interfaces and their applications to other languages and systems, eg. Java, web and databases.
- Cross engine compatibility and user-enabled development.

Workshop Goals

Our intent is to bring together, in an informal setting, people
involved in research on sequential and parallel implementation
technologies for logic and constraint programming languages and
systems, in order to promote the exchange of ideas and feedback on
recent developments. We hope that the workshop will provide a meeting
point for people working on implementation technology for different
aspects of logic and constraint-based languages and systems.
We will foster and encourage discussions on the future of LP
implementations with focus on extensions, standards, libraries,
user-driven development and identification of key research and
application areas.

This year CICLOPS will be coordinated with WLPE. In particular, there will
be two special events organised: (a) SWI-25, a celebration and
retrospective of the open source SWI-Prolog engine on the occasion of
its 25th birthday, and (b) OpenPL, an event on (1) coordinating
efforts towards furthering cross-engine compatibility, with a focus on
libraries and add-on packages, and (2) the creation of a
user-contributing repository of Prolog code.

Submission Information

Authors are invited to submit PDF files of papers written in English and
not exceeding 15 pages using LNCS LaTeX format. Shorter submissions are also welcome,
e.g. extended abstracts and short papers of at least 3 pages.

Papers should be submitted electronically via :


We plan for the informal workshop proceedings to be available on-line
at the Computing Research Repository after the workshop. An electronic
copy will also be distributed during the conference.

Important Dates

Submission deadline: June 20, 2012
Notification of authors: July 16, 2012
Camera-ready copy due: July 27, 2012
Workshop date: Tuesday September 4, 2012

Invited Speaker

Tom Schrijvers (University of Ghent, Belgium)


CICLOPS'12 continues a tradition of successful workshops on
Implementations of Logic Programming Systems, previously held in
Budapest (1993) and Ithaca (1994), the Compulog Net workshops on
Parallelism and Implementation Technologies held in Madrid (1993 and
1994), Utrecht (1995) and Bonn (1996), the Workshop on Parallelism and
Implementation Technology for (Constraint) Logic Programming Languages
held in Port Jefferson (1997), Manchester (1998), Las Cruces (1999),
and London (2000), and more recently the Colloquium on Implementation
of Constraint and LOgic Programming Systems in Paphos (2001),
Copenhagen (2002), Mumbai (2003), Saint Malo (2004), Sitges (2005),
Seattle (2006), Porto (2007), Udine (2008), Pasadena (2009), Edinburgh
(2010) - together with WLPE, Lexington (2011).

Program committee

Miguel Calejo (Declarativa, Portugal)
Mats Carlsson, SICS, Sweden
Daniel Diaz, University of Paris, France
Rémy Haemmerlé, Universidad Politécnica de Madrid, Spain
Günter Kniesel, University of Bonn, Germany
Paulo Moura, Porto and University of Beira Interior, Portugal
Ricardo Rocha, University of Porto, Portugal
Guido Tack, Monash University, Australia
Paul Tarau, University of North Texas, USA
Markus Triska, Vienna University of Technology, Austria
Jan Wielemaker, Free University of Amsterdam, The Netherlands
Neng-Fa Zhou, Brooklyn College, USA

Workshop Coordinators

Nicos Angelopoulos, Netherlands Cancer Institute, The Netherlands
Roberto Bagnara, University of Parma, Italy

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