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, . ISBN 9783662459591. Published by Springer in 2014. Publication and catalogue information, links to buy online and reader comments.