AI Approaches to the Complexity of Legal Systems. Complex Systems, the Semantic Web, Ontologies, Argumentation, and Dialogue International Workshops AICOL-I/IVR-XXIV Beijing, China, September19, 2009 and AICOL-II/JURIX 2009, Rotterdam,The Netherlands, December 16, 2009 Revised Selected Papers - Casanovas, Pompeu (Springer Berlin Heidelberg, 2010)