Online Proceedings of the 11th International Colloquium on   Implementation of Constraint LOgic Programming Systems (CICLOPS 2011),   Lexington, KY, U.S.A., July 10, 2011
  These are the revised versions of the papers presented at CICLOPS 2011, a workshop colocated with ICLP 2011. 
Salvador Abreu and Vitor Santos Costa
cs.PL