Coordination, Organizations, Institutions, and Norms in Agent Systems II AAMAS 2006 and ECAI 2006 International Workshops, COIN 2006 Hakodate, Japan, May 9, 2006 Riva del Garda, Italy, August 28, 2006. Revised Selected Papers - Noriega, Pablo; Vázquez-Salceda, Javier; Boella, Guido; Boissier, Olivier; Dignum, Virginia; Fornara, Nicoletta; Matson, Eric (Springer Berlin Heidelberg, 2007)