Existential arc consistency: Getting closer to full arc consistency in weighted CSPs.

Simon de Givry Federico Heras Matthias Zytnicki Javier Larrosa Existential arc consistency: Getting closer to full arc consistency in weighted CSPs. 84-89 2005 conf/ijcai/2005 IJCAI http://www.ijcai.org/papers/0827.pdf db/conf/ijcai/ijcai2005.html#GivryHZL05