edm:TimeSpan
http://www.europeana.eu/schemas/edm/TimeSpan
skos:definition
http://www.w3.org/2004/02/skos/core#definition
The class of "abstract tempora ...... nd and a duration" (CIDOC CRM)
@en
graph:default
https://triplydb.com/europeana/edm/graphs/default