Crowdfunding of Science and Open Data: Opportunities, Challenges, and Policies -- Open Data Ecosystems: a Comparison of Visual Models -- The Societal Benefits of Open Government Data with particular emphasis on Geospatial Information -- Big Data Analytics for Tax Administration -- Vacancy mining to design personalized learning analytics for future employees -- Towards a data-driven approach for fraud detection in the social insurance field: A case study in Upper Austria -- A Reverse Data-centric Process Design Methodology for Public Administration Processes -- e-Participation in the exploration of innovations: confronting Aedes aegypti and microcephaly in Brazil -- Indicators of Municipal Public Management: Study of multiple Performance Measurement Systems -- Two Decades of Online Information and Digital Services: Quality Improvements to Municipality Websites and User Preferences -- Crowdsourcing Urban Issues in Smart Cities: a Usability Assessment of the Crowd4City System -- Value Innovation in the Public Sector: Concept, Determining Factors and Framework -- Factors Affecting e-ID Public Acceptance: a Literature Review -- OntoMetrics Evaluation of Quality of e-Government Ontologies -- Towards Blockchain Technology to Support Digital Government -- Designing an Effective Long-Term Identity Management Strategy for a Mature e-State -- Toward Value Creation in e-Governance through Digitalization an industry-based approach.