Digital Contact Tracing Service: An improved decentralized design for privacy and effectiveness. - Kilian Holzapfel; Martina Karl; Linus Lotz; Georg Carle; Christian Djeffal; Christian Fruck; Christian Haack; Dirk Heckmann; Philipp H. Kindt; Michael Köppl; Patrick Krause; Lolian Shtembari; et al. (CoRR, 2020)

Art. 22 DSGVO als sozio-technische Gestaltungsnorm. - Christian Djeffal (Datenschutz und Datensicherheit, 2021)

Reflexive Prompt Engineering: A Framework for Responsible Prompt Engineering and AI Interaction Design. - Christian Djeffal (FAccT, 2025)

Legal Prompt Engineering - Eine Schlüsselkompetenz im Zeitalter generativer KI. - Christian Djeffal (Comput. und Recht, 2025)

Reflexive Prompt Engineering: A Framework for Responsible Prompt Engineering and Interaction Design. - Christian Djeffal (CoRR, 2025)