Maturity and usability of open data in North Rhine-Westphalia. - Haydar Akyürek; Cora Scholl; Regina Stodden; Tobias Siebenlist; Agnes Mainka (DG.O, 2018)

The International Data Spaces Information Model - An Ontology for Sovereign Exchange of Digital Content. - Sebastian R. Bader; Jaroslav Pullmann; Christian Mader; Sebastian Tramp; Christoph Quix; Andreas W. Müller; Haydar Akyürek; Matthias Böckmann; Benedikt T. Imbusch; Johannes Lipp; Sandra Geisler; Christoph Lange 002 (ISWC (2), 2020)