Inverse infrastructures: Coordination in self-organizing systems. - Tineke M. Egyedi; Jos L. M. Vrancken; Jolien Ubacht (SIIT, 2007)

Business Intelligence from User Generated Content: Online Opinion Formation in Purchasing Decisions in High-Tech Markets. - Karan Setiya; Jolien Ubacht; Scott W. Cunningham; Sertaç Oruç (I3E, 2016)

Blockchain in government: Benefits and implications of distributed ledger technology for information sharing. - Svein Ølnes; Jolien Ubacht; Marijn Janssen (Gov. Inf. Q., 2017)

Challenges of blockchain technology adoption for e-government: a systematic literature review. - F. Rizal Batubara; Jolien Ubacht; Marijn Janssen (DG.O, 2018)

Blockchain applications in government. - Lemuria D. Carter; Jolien Ubacht (DG.O, 2018)

Towards generalized process patterns for detecting corruption within the government using open data. - Darusalam; Marijn Janssen; Jolien Ubacht (DG.O, 2018)

A framework for strengthening data ecosystems to serve humanitarian purposes. - Elise Haak; Jolien Ubacht; Marc van den Homberg; Scott W. Cunningham; Bartel A. Van de Walle (DG.O, 2018)

The governance of blockchain systems from an institutional perspective, a matter of trust or control? - David Meijer; Jolien Ubacht (DG.O, 2018)

Unraveling Transparency and Accountability in Blockchain. - F. Rizal Batubara; Jolien Ubacht; Marijn Janssen (DG.O, 2019)

The use of a blockchain-based smart import declaration to reduce the need for manual cross-validation by customs authorities. - Lennard Segers; Jolien Ubacht; Yao-Hua Tan; Boriana D. Rukanova (DG.O, 2019)

Workshop on Blockchain based applications. - Jolien Ubacht; Yao-Hua Tan; Marijn Janssen; Boriana Rukanova (DG.O, 2019)

The consequences of blockchain architectures for the governance of public services: A case study of the movement of excise goods under duty exemptions. - D. Allessie; Marijn Janssen; Jolien Ubacht; Scott W. Cunningham; G. van der Harst (Inf. Polity, 2019)

Aligning Stakeholder Interests, Governance Requirements and Blockchain Design in Business and Government Information Sharing. - Sélinde van Engelenburg; Boriana Rukanova; Wout Hofman; Jolien Ubacht; Yao-Hua Tan; Marijn Janssen (EGOV, 2020)

Introduction to the Special Issue on Government and Social Media. - Rodrigo Sandoval-Almazán; Jolien Ubacht; Andrea L. Kavanaugh (Digit. Gov. Res. Pract., 2020)

Extended Data Pipeline for Circular Economy Monitoring. - Boriana Rukanova; Yao-Hua Tan; Robin Hamerlinck; Frank Heijmann; Jolien Ubacht (DG.O, 2021)

Realizing value from voluntary business-government information sharing through blockchain-enabled infrastructures: The case of importing tires to the Netherlands using TradeLens. - Boriana Rukanova; Jolien Ubacht; Sélinde van Engelenburg; Yao-Hua Tan; Marco Geurts; Maarten Sies; Marcel Molenhuis; Micha Slegt (DG.O, 2021)

Digital Infrastructures for Governance of Circular Economy: A Research Agenda. - Boriana Rukanova; Yao-Hua Tan; Robin Hamerlinck; Frank Heijmann; Jolien Ubacht (EGOV-CeDEM-ePart-*, 2021)

eCommerce Platforms Evaluation Framework for Government. - Boriana Rukanova; Yao-Hua Tan; Jolien Ubacht; Marcel Molenhuis; Frank Heijmann; Han Bosch; Zisis Palaskas; Hao Chen; Toni Männistö; Ade Ratnasari (EGOV, 2021)

Self-sovereign Identities for Fighting the Impact of COVID-19 Pandemic. - Rachel Benchaya Gans; Jolien Ubacht; Marijn Janssen (Digit. Gov. Res. Pract., 2021)

From requirements to a research agenda for governments governing reuse of critical raw materials in the circular economy. - Sélinde van Engelenburg; Boriana Rukanova; Jolien Ubacht; Siu Lie Tan; Yao-Hua Tan; Marijn Janssen (DG.O, 2022)

A Framework for Understanding Circular Economy Monitoring: Insights from the Automotive Industry. - Boriana Rukanova; Jolien Ubacht; Ben Turner; Yao-Hua Tan; Jonathan Schmid; Elmer Rietveld; Wout Hofman (DG.O, 2023)

The Anatomy of Circular Economy Monitoring through the Lens of Border Crossing and Levels of Control (poster). - Boriana Rukanova; Jolien Ubacht; Yao-Hua Tan; Wirawan Agahari; Elmer Rietveld; Jelmer Lennartz (EGOV-CeDEM-ePart-*, 2023)

Data Sharing Arrangements for Monitoring in the EU Circular Economy: The Case of CBAM and Steel Import for the EU Automotive Sector. - Jolien Ubacht; Jonathan Schmid; Elmer Rietveld; Jelmer Lennartz; Boriana Rukanova; Yao-Hua Tan (EGOV-CeDEM-ePart-*, 2023)

Tough Decisions? Supporting System Classification According to the AI Act. - Hilmy Hanif; Jorge Constantino; Marie-Therese Sekwenz; Michel van Eeten; Jolien Ubacht; Ben Wagner; Yury Zhauniarovich (JURIX, 2023)

Public value creation through voluntary business to government information sharing enabled by digital infrastructure innovations: a framework for analysis. - Boriana Rukanova; Sélinde van Engelenburg; Jolien Ubacht; Yao-Hua Tan; Marco Geurts; Maarten Sies; Marcel Molenhuis; Micha Slegt; Dennis van Dijk (Gov. Inf. Q., 2023)

Border Crossing and Circular Economy Monitoring in a Global Context: Challenges and Opportunities. - Boriana Rukanova; Jolien Ubacht; Yao-Hua Tan (DG.O, 2024)

Multi-Party Computation as a Data Sharing Solution for Compliance Monitoring: An Exploratory Study in the Domain of Battery Circularity. - Wirawan Agahari; Boriana Rukanova; Jolien Ubacht; Yao-Hua Tan (EGOV-CeDEM-ePart-*, 2024)

What to Monitor? In Search of High-Level Concepts for Circular Economy and Sustainability Monitoring. - Boriana Rukanova; Jelmer Lennartz; Wirawan Agahari; Jonathan Schmid; Jolien Ubacht; Yao-Hua Tan; Elmer Rietveld; Theodor Chirvasuta (EGOV-CeDEM-ePart-*, 2024)

Digital Infrastructures for Compliance Monitoring of Circular Economy: Requirements for Interoperable Data Spaces. - Wout Hofman; Boriana Rukanova; Yao-Hua Tan; Nitesh Bharosa; Jolien Ubacht; Elmer Rietveld (FICC (3), 2024)

Is it green? Designing a blockchain-based certification system for the EU hydrogen market. - Jonathan Schmid; Jolien Ubacht; Sélinde van Engelenburg; Jan van Oudheusden; Émile J. L. Chappin (Frontiers Blockchain, 2024)