Novel pervasive, mobile, and interactive graphical technologies underlie a new mode of storytelling interactive digital storytelling (IDS) whether in int- active entertainment, computer games, education, therapy or other interactive digitalapplications.Thisraisesthepossibilityofrede?ningtheexperienceofn- rative through interactive simulations of computer-generated story worlds. The wide range of papers at ICIDS 2010, held in Edinburgh November 1 3, 2010, was testament to both the number and variety of researchers now investigating this ?eld. Some papers addressedkey theoreticalproblems in the...

This book constitutes the proceedings of the 13th International Conference on Intelligent Virtual Agents, IVA 2013, held in Edinburgh, UK, in August 2013. There was a total of 94 submissions. The 18 full and 18 short papers presented in this volume were carefully reviewed and selected for inclusion in the book. In addition, the volume lists the 34 posters which were on display during the conference. The papers are organized in topical sections named: cognitive models; applications; dialogue, language, speech; non-verbal behaviour; and social, cultural models and agents.