This book constitutes the refereed proceedings of the 15th international conference on principles and practice of constraint programming cp 2009 held in lisbon portugal in september 2009 the 61 revised full papers presented together with the abstracts of three invited talks were carefully reviewed and selected from 141 submissions all . Get this from a library principles and practice of constraint programming cp 2009 15th international conference cp 2009 lisbon portugal september 20 24 2009 proceedings ian p gent this book constitutes the refereed proceedings of the 15th international conference on principles and practice of constraint programming cp 2009 held in lisbon portugal in september 2009. Principles and practice of constraint programming cp 2009 15th international conference cp 2009 lisbon portugal september 20 24 2009 proceedings lecture notes in computer science 5732 springer 2009 isbn 978 3 642 04243 0. Maher m 2009 soggy constraints soft open global constraints in principles and practice of constraints programming cp 2009 springer berlin pp 584 591 presented at 15th international conference cp 2009 lisbon portugal 20 september 2009 24 september 2009