in AI Approaches to the Complexity of Legal Systems - AICOL 2013 International Workshops, AICOL-IV@IVR, Belo Horizonte, Brazil, July 21-27, 2013 and AICOL-V@SINTELNET-JURIX, Bologna, Italy, December 11, 2013, Revised Selected Papers in Lecture Notes in Computer Science, ISSN: 0302-9743