This book constitutes the refereed proceedings of the two workshops held at the 14th
International Conference on Principles and Practice of Multi-Agent Systems PRIMA 2011 held in
Wollongong Australia in November. The workshops were Workshop on Agent Based Simulation for
a Sustainable Society (ABSSS 2011) and International Workshop on Multi-Agent Smart Computing
(MASmart 2011). The 8 papers presented were carefully reviewed and selected from various
submissions. The papers cover topics from agent based simulation for a sustainable society and
on multi-agent smart computing.