Collection and Storage of Personal Data: A Critical View on Current Practices in the Transportation Sector. - Eleni Kosta; Hans Graux; Jos Dumortier (APF, 2012)

A pan-European Framework on Electronic Identification and Trust Services for Electronic Transactions in the Internal Market. - Olivier Delos; Tine Debusschere; Marijke De Soete; Jos Dumortier; Riccardo Genghini; Hans Graux; Sylvie Lacroix; Gianluca Ramunno; Marc Sel; Patrick Van Eecke (ISSE, 2015)

The Single Digital Gateway Regulation as an Enabler and Constraint of Once-Only in Europe. - Hans Graux (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)

Whose data is it anyway? Diverging perspectives in EU policy on the current and future role of the citizen in digital government. - Hans Graux (DG.O, 2023)