CP’AI’OR’07 is partly sponsored by the association for constraint programming, the Cork Constraint Computation Centre (Ireland), Ilog SA (France), the Intelligent Information Systems Institute at Cornell University (USA), the European Commission (through the Marie Curies Research Training Network: ADONET), the Fonds National de Recherche Scientifique in Belgium, the Belgian Science Policy, ORBEL (for the Master class), as well as Brown University (USA), The Facultés St-Louis (Brussels, Belgium), and the Université catholique de Louvain (Louvain-la-Neuve, Belgium).