“…Beyond the extension of the Citation Core set of Dataverse, it is envisioned to support a link between other 'indexing' metadata fields to the other Knowledge Organisation Systems providers. In particular, we think here of recommended FAIR controlled vocabularies and ontologies which potentially may become part of the set of metadata fields (Wilkinson et al, 2016;Broeder et al, 2021;Wang, M. et al, 2021). Coming back to the CMDI case, this could lead to linkages of recognized, or any, CMDI metadata values to a recommended ontology or controlled vocabulary with the aim to produce '5-star Linked Open Data' 41 .…”