By Tina Balke, Frank Dignum, M. Birna van Riemsdijk, Amit K. Chopra (eds.)
This booklet constitutes the completely refereed court cases of the ninth foreign Workshops on Coordination, corporations, associations and Norms in Agent structures, COIN 2013. The workshops have been co-located with AAMAS 2013, held in St. Paul, MN, united states in may possibly 2013, and with PRIMA 2013, held in Dunedin, New Zealand, in December 2013. The 18 complete papers have been conscientiously reviewed and chosen from 28 submissions and are provided including invited papers. The papers are geared up in topical sections similar to coordination, businesses, associations, norms, norm clash, and norm-aware agents.