The abbreviation DERA stands for Digital Heritage Reference Architecture and provides direction to collaborating parties, in this case to make heritage information more visible in the Digital Heritage Network. The Ministry of Education, Culture and Science (OCW) is the owner of the DERA. The DERA is being developed by a working group in which representatives of the Digital Heritage Network (NDE) have a seat. In collaboration with the Digital Heritage Network (NDE), KLEKSI has been made compliant with the DERA and in line with the NDE objectives and infrastructure.