Hi all, I'm new with Planner and I just wanted to know what are the differences between the negative and positive constraints and in which cases it is necessary to to use them Thank you for your help. -- View this message in context: http://drools.46999.n3.nabble.com/Drools-Planner-Negative-and-Positive-co... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users