The seventh international workshop ESAW 2006 - Engineering Societies in the Agents World VII--was hosted in the School of Computer Science and Inf- matics, University College Dublin, Ireland in September 2006. This workshop was organized as a stand-alone event, running over three days, and continued andenhancedthe high-qualityconferencetheme thatnowuniquelycharacterizes the ESAW workshop series. ESAW VII built upon the success of prior ESAW workshops - Ku, sadasi (2005), London (2004) and Toulouse (2004), going back to the inauguralworkshopheld in Berlin(2000). This workshopwasattended by 50...