This book constitutes the proceedings of the 18thInternational Conference on Principles and
Practice of Multi-Agent Systems PRIMA 2015 held in Bertinoro Italy in October 2015. The 29
full papers and 24 short papers presented in thisvolume were carefully reviewed and selected
from 94 submissions. The conferencebrings together active researchers developers and
practitioners from bothacademia and industry to showcase share and promote research in
severaldomains ranging from foundations of agent theory and engineering aspects ofagent
systems to emerging interdisciplinary areas of agent-based research.
