This book constitutes the thoroughly refereed post-proceedings of the 10th International
Workshop on Declarative Agent Languages and Technologies DALT 2012 held in conjunction with
the 11th International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS
2012) at Valencia Spain in June 2012. The volume contains 13 revised selected presented at
DALT 2012.The papers cover the following topics: declarative languages and technologies
computational logics declarative approaches to engineering agent-based systems models of
business interactions among agents and models of trust commitments and reputation for
agents.
