Integration Of Ai And Or Techniques In Constraint Programming For Combinatorial Optimization Problems 6th International Conference Cpaior 2009 Pittsburgh Pa Usa May 2731 2009 Proceedingsde Willem-Jan Van HoeveMateriasComputational complexityComputer scienceElectronic data processingCombinatorial analysisArtificial intelligenceComputer softwareConstraint programming (computer science)Combinatorial optimizationOperations research