Labeling and Partial Arc Consistency for Soft Constraints.

Stefano Bistarelli Philippe Codognet Yan Georget Fabio Rossi Labeling and Partial Arc Consistency for Soft Constraints. 121-136 1999 conf/agp/1999 APPIA-GULP-PRODE db/conf/agp/agp1999.html#BistarelliCGR99