class IRI - resolves
skos:exactMatch - NCI Thesaurus
this node - minted under the base chosen at lift, does not resolve
its links use these attribute IRIs - each resolves
pinned - click the node again or the background to release
source: DDF-RA v4.0.0 · model + context pinned at usdm-rdf v0.7.0 · w3id.org/cdisc/usdm/v4/