This book focuses on automated negotiations based on multi-agent systems. It is intended for
researchers and students in various fields involving autonomous agents and multi-agent systems
such as e-commerce tools decision-making and negotiation support systems and collaboration
tools. The contents will help them to understand the concept of automated negotiations
negotiation protocols negotiating agents' strategies and the applications of those
strategies. In this book some negotiation protocols focusing on the multiple interdependent
issues in negotiations are presented making it possible to find high-quality solutions for the
complex agents' utility functions. This book is a compilation of the extended versions of the
very best papers selected from the many that were presented at the International Workshop on
Agent-Based Complex Automated Negotiations.