Digital Participation -- Youths' digital participation in the early phases of COVID-19 lockdown -- Discovering Sense of Community enabling factors for Public and Government Staff in Online Public Engagement -- Understanding civic engagement on social media based on users' motivation to contribute -- Digital Society -- Researching Digital Society: Using Data-Mining to Identify Relevant Themes from an Open Access Journal -- Whose Agenda Is It Anyway? The Effect of Disinformation on COVID-19 Vaccination Hesitancy in the Netherlands -- A conceptual model for approaching the design of anti-disinformation tools -- User needs for a mobility app to support living in rural areas -- Adoption of E-Government Requirements to Higher Education Institutions Regarding the Digital Transformation -- Digital Government -- Developing Cross-border E-governance: Exploring Interoperability and Cross-border Integration -- Accountable Federated Machine Learning in Government: Engineering and Management Insights -- Agile Development for Digital Government Services: Challenges and Success Factors -- Data-driven Personalized E-government Services: Literature Review and Case Study -- Legal Issues -- Application of process modelling and simulation to evaluate administrative burdens at the law-making stage -- Evaluating Second Generation Cross-Country Open Legal Data Infrastructures Using Value Models -- Analysing the implementation of electronic communication strategies through legislation -- The accountability of intelligence and law enforcement agencies in information search activities.-.