Christian Rahmig, MSc in Transport Engineering, serves as a business development manager at the German Aerospace Center (DLR) Institute of Transportation Systems, focusing on the topics of data architecture, platforms, interfaces, and data spaces in the railway domain. Furthermore, for over a decade, he has been a coordinator at the railML organisation in developing the infrastructure schema of the international standardised data exchange format “railML” for railway applications and businesses.

Using ontologies for building up a European Rail Data Space