This title brings together the best papers on a range of topics raised at the annual International Conference on Principles and Practice of Constraint Programming. This conference provides papers and workshops which produce new insights, concepts and results which can then be used by those involved in this area to develop their own work.

Frédéric Benhamou is a Full Professor in the Department of Computer Science and is Head of the Computer Science Research Laboratory at Nantes Atlantic University, France.
 
Narendra Jussien is the President of the French Association for Constraint Programming (AFPC) and is an Assistant Professor in the Department of Computer Science at the Ecole des Mines de Nantes, France.

Barry O’Sullivan is the Associate Director of the Cork Constraint Computation Centre and is a Senior Lecturer in the Department of Computer Science at University College Cork, Ireland.