@article {4168, title = {Introduction to the special issue on Constraint-based approaches to Preference Modelling and Reasoning}, journal = {Constraints}, volume = {15}, year = {2010}, month = {10/2010}, pages = {453-455}, publisher = {Elsevier}, chapter = {453}, keywords = {preferences, soft constraints}, author = {Pedro Meseguer and Francesca Rossi and Thomas Schiex} }