Developing Cross-border E-Governance: Exploring Interoperability and Cross-border Integration. - Robert Krimmer; Stefan Dedovic; Carsten Schmidt 005; Andreea Ancuta Corici (ePart, 2021)

"When need becomes necessity" - The Single Digital Gateway Regulation and the Once-Only Principle from a European Point of View. - Carsten Schmidt 005; Robert Krimmer; Thomas J. Lampoltshammer (Open Identity Summit, 2021)

The Once-Only Principle: A Matter of Trust. - Robert Krimmer; Andriana Prentza; Szymon Mamrot; Carsten Schmidt 005 (The Once-Only Principle, 2021)

The Future of the Once-Only Principle in Europe. - Robert Krimmer; Andriana Prentza; Szymon Mamrot; Carsten Schmidt 005; Aleksandrs Cepilovs (The Once-Only Principle, 2021)

Drivers for and Barriers to the Cross-border Implementation of the Once-Only Principle. - Nele Leosk; Irma Põder; Carsten Schmidt 005; Tarmo Kalvet; Robert Krimmer (The Once-Only Principle, 2021)

Enhancing European Interoperability Frameworks to Leverage Mobile Cross-Border Services in Europe. - Andreea Ancuta Corici; Blaz Podgorelec; Thomas Zefferer; Detlef Hühnlein; Jordi Cucurull; Hans Graux; Stefan Dedovic; Bogdan Romanov; Carsten Schmidt 005; Robert Krimmer (DG.O, 2022)

Towards a Transdisciplinary Evaluation Framework for Mobile Cross-Border Government Services. - Gregor Eibl; Lucy Temple; Rachelle Sellung; Stefan Dedovic; Art Alishani; Carsten Schmidt 005 (EGOV, 2022)

EU CrossBorder and OOT for HEI/Edu Workflows and Infrastructures with Interoperability, Standards and Security. - Hermann Strack; Marlies Gollnick; Sebastian Karius; Guido Bacharach; Tor Fridell; Matthias Gottlieb; Jan Joost Norder; Hans Pongratz; Wolfgang Radenbach; Carsten Schmidt 005; Mirko Stanic; Geir Vangen; et al. (EUNIS, 2023)