Building Bridges: HCI, Visualization, and Non-formal Modeling IFIP WG 13.7 Workshops on Human–Computer Interaction and Visualization: 7th HCIV@ECCE 2011, Rostock, Germany, August 23, 2011, and 8th HCIV@INTERACT 2011, Lisbon, Portugal, September 5, 2011, Revised Selected Papers

Internet Science INSCI 2018 International Workshops, St. Petersburg, Russia, October 24–26, 2018, Revised Selected Papers

Human Interface and the Management of Information. Visual Information and Knowledge Management Thematic Area, HIMI 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings, Part I

Social Computing and Social Media. Communication and Social Communities 11th International Conference, SCSM 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26-31, 2019, Proceedings, Part II

Distributed, Ambient and Pervasive Interactions 7th International Conference, DAPI 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings

HCI International 2019 – Late Breaking Papers 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings

CyberParks – The Interface Between People, Places and Technology New Approaches and Perspectives

Human Aspects of IT for the Aged Population. Social Media, Games and Assistive Environments 5th International Conference, ITAP 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26-31, 2019, Proceedings, Part II

Design, User Experience, and Usability. Application Domains 8th International Conference, DUXU 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings, Part III

Universal Access in Human-Computer Interaction. Theory, Methods and Tools 13th International Conference, UAHCI 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings, Part I

Design, User Experience, and Usability. User Experience in Advanced Technological Environments 8th International Conference, DUXU 2019, Held as Part of the 21st HCI International Conference, HCII 2019, Orlando, FL, USA, July 26–31, 2019, Proceedings, Part II

NII Testbeds and Community for Information Access Research 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10–13, 2019, Revised Selected Papers