This book constitutes the proceedings of the 15th IFIP WG 8.5 International Conference on Electronic Participation, ePart 2023, held in Budapest, Hungary, in September 2023, in conjunction with the IFIP WG 8.5 Conference on Electronic Government (EGOV 2023) and the Conference for E-Democracy and Open Government Conference (CeDEM 2023). A total of 38 full papers has been carefully reviewed and selected from 106 submissions. Eight of the accepted papers are included in this book. They were organized in topical sections as follows: E-participation; digital transformation; digital technology; and digital sovereignty. 

This book constitutes the proceedings of the 10th IFIP WG 8.5 International Conference on Electronic Participation, ePart 2018, held in Krems, Austria, in September 2018. The 12 revised full papers presented in this book were carefully reviewed and selected from 29 submissions. The papers are clustered under the following topical sections: general e-democracy and e-participation; digital collaboration and social media; policy modeling and policy informatics; and social innovation.

This book constitutes the refereed proceedings of the 8th IFIP WG 8.5 International Conference on Electronic Participation, ePart 2016, held in Guimaraes, Portugal, in September 5-8, 2016. The 14 revised full papers presented were carefully reviewed and selected from 31 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: theoretical foundations; critical reflections; implementations; policy formulation and modeling.

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.

This book constitutes the refereed proceedings of the 7th IFIP WG 8.5 International Conference on Electronic Participation, ePart 2015, held in Thessaloniki, Greece, in August/September 2015. The 12 revised full papers presented were carefully reviewed and selected from 19 submissions. The papers have been organized in the following topical sections: eParticipation and social media, delibration and consultation, evaluation, and policy formulation and modelling.