Artificial Intelligence is one of the oldest and most interesting subfields of computing, covnering fields such as intelligent robots, intelligent planning and scheduling, model-based reasoning, fault diagnosis, natural language processing, maching translation representation, knowledge and reasoning, knowledge based systems, knowledge engineering, intelligent agents, machine learning, neural nets, genetic algorithms and knowledge management. The papers in this book consists of the referee of the Second International Conference on Artificial Intelligence Applications and Innovations, which was held in Beijing, China in 2005.