Revisiting the Privacy Needs of Real-World Applicable Company Benchmarking. - Jan Pennekamp; Patrick Sapel; Ina Berenice Fink; Simon Wagner; Sebastian Reuter; Christian Hopmann; Klaus Wehrle; Martin Henze (IACR Cryptol. ePrint Arch., 2020)

A Conceptual Model for Digital Shadows in Industry and Its Application. - Fabian Becker; Pascal Bibow; Manuela Dalibor; Aymen Gannouni; Viviane Hahn; Christian Hopmann; Matthias Jarke; István Koren; Moritz Kröger; Johannes Lipp; Judith Maibaum; Judith Michael; et al. (ER, 2021)

Collecting Data and Metadata by Transforming between Differently Expressive Query Languages. - Johannes Theissen-Lipp; Max Kocher; Stefan Decker; Patrick Sapel; Mauritius Schmitz; Christian Hopmann (ICSC, 2022)

Designing Secure and Privacy-Preserving Information Systems for Industry Benchmarking. - Jan Pennekamp; Johannes Lohmöller; Eduard Vlad; Joscha Loos; Niklas Rodemann; Patrick Sapel; Ina Berenice Fink; Seth Schmitz; Christian Hopmann; Matthias Jarke; Günther Schuh; Klaus Wehrle; et al. (CAiSE, 2023)

Towards an ontology-based dictionary for production planning and control in the domain of injection molding as a basis for standardized asset administration shells. - Patrick Sapel; Christian Hopmann (J. Ind. Inf. Integr., 2023)

Application of digital shadows on different levels in the automation pyramid. - Malte Heithoff; Christian Hopmann; Thilo Köbel; Judith Michael; Bernhard Rumpe; Patrick Sapel (Data Knowl. Eng., 2025)

A review and classification of manufacturing ontologies. - Patrick Sapel; Lina Molinas Comet; Iraklis Dimitriadis; Christian Hopmann; Stefan Decker (J. Intell. Manuf., 2025)