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The Third International Conference on Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems


May 31-June 2, 2006, Cork, Ireland

After a successful series of five international workshops (Ferrara, Paderborn, Ashford, Le Croisic, and Montreal) and two international conferences (Nice, Prague), the third international conference devoted to integration of Constraint Programming, Artificial Intelligence, and Operations Research techniques will be held in Cork, Ireland, in 2006.

The aim of the conference is to bring together interested researchers from AI and OR, and to give them the opportunity to show how the integration of techniques from AI and OR can lead to interesting results on large scale and complex problems. We explicitly welcome new ideas and methods for integrating OR and AI techniques that have arisen from real-world applications. CP-AI-OR is intended primarily as a forum to focus on the integration and hybridization of the approaches of CP, AI, and OR technologies. A secondary aim is to provide an opportunity for researchers in one area to learn about techniques in others. Therefore, papers that actively combine, integrate or contrast approaches from more than one of the areas are solicited. High quality papers from a single area are eligible provided that they are of interest to other communities involved.

CP-AI-OR'06 will be preceded by a Master Class where leading researchers give introductory and overview talks. This year, the topic of the Master Class will be "Modelling and Solving for Uncertainty and Change." The Master Class is intended for PhD students, researchers, and practitioners.

Submissions have now closed.

The program committee invites submissions that include but are not limited to the following topics:

  • Integration of constraint relaxation methods, e.g. constraint propagation, cutting planes, reduced costs, global constraints, graph algorithms, dynamic programming, Lagrangean and convex relaxations, heuristic functions based on constraint relaxation.
  • Integration of search and solving methods, e.g. branch and bound, intelligent backtracking, incomplete search, randomized search, column generation and other decomposition methods, local search, meta-heuristics.
  • Forms of integration, e.g. static/dynamic problem decomposition, linking variables and constraints in different solvers, transformations between models and solvers, methods using information derived by other solving methods, collaboration between concurrent methods, models, and solvers.
  • Problems, modeling, and applications.

Papers should be at most 15 pages in length, and should be prepared in the format used for the Springer Lecture Notes in Computer Science series ( It is planned that the proceedings will be published in the Springer Lecture Notes in Computer Science series ( All papers are to be submitted electronically in a PDF or PS format by following the instructions at the URL

Following the conference, authors of all accepted papers will be invited to submit substantially extended versions of their papers to a special issue of the Annals of Operations Research devoted to papers from CP-AI-OR'06. These papers will undergo an additional, very thorough refereeing process and a selection of the best papers will be published.


  • Deadline for paper submissions January 9, 2006
  • Notification of acceptance February 24, 2006
  • Camera-ready copy March 7, 2006
  • CP-AI-OR'06 May 31-June 2, 2006
  • Master Class May 30, 2006


Conference Chair
Barry O'SullivanCork Constraint Computation Centre, Ireland

Programme Chairs
Chris BeckUniversity of Toronto, Canada
Barbara SmithCork Constraint Computation Centre, Ireland

Master Class Chairs
Ken BrownCork Constraint Computation Centre, Ireland
Armagan TarimCork Constraint Computation Centre, Ireland

Publicity Chair
Ian MiguelUniversity of St. Andrews, Scotland

Sponsorship Chair
Michela MilanoUniversita di Bologna, Italy

Programme Committee
Gautamkumar AppaLondon School of Economics, UK
Philippe BaptisteEcole Polytechnique, France
Roman BartakCharles University, Czech Republic
Mats CarlssonSICS, Sweden
Ondrej CepekCharles University, Czech Republic
Hani El SakkoutCISCO, UK
Bernard GendronCRT and University of Montreal, Canada
Carmen GervetBrown University, USA/Imperial College, UK
Carla GomesCornell University, USA
Narendra JussienEcole des Mines de Nantes, France
Stefan KarischCarmen Systems, Canada
Francois LaburtheBouygues, France
Andrea LodiUniversity of Bologna, Italy
Gilles PesantCRT and Ecole Polytechnique de Montreal, Canada
Jean-Francois PugetILOG, France
Jean-Charles ReginILOG, France
Michel RueherUniversity of Nice-Sophia Antipolis, France
Meinolf SellmannBrown University, USA
Helmut SimonisCrossCore Optimization Ltd, UK
Gilles TrombettoniUniversity of Nice-Sophia Antipolis, France
Michael TrickCarnegie Mellon University, USA
Pascal van HentenryckBrown University, USA
Mark WallaceMonash University, Australia
Weixiong ZhangWashington University, USA

Tom CarchraeCork Constraint Computation Centre, Ireland


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