nmo:Multipart
http://www.w3.org/2000/01/rdf-schema#Resource nie:InformationElement ╰── nfo:DataContainer ╰── nmo:Multipart
“nmo:partBoundary”
“nmo:partBoundary” http://www.w3.org/2001/XMLSchema#string
Number of possible elements per resource (Cardinality): Unlimited