This book constitutes the proceedings of the 9th IFIP WG 8.5 International Conference on
Electronic Participation ePart 2017 held in St. Petersburg Russia in September 2017.The 11
revised full papers presented in this book were carefully reviewed and selected from 14
submissions. The papers reflect completed multi-disciplinary research ranging from policy
analysis and conceptual modeling to programming and visualization of simulation models. They
are organized in four topical threads: methodological issues in e-participation
e-participation implementations policy modeling and policy informatics critical reflections.
