About: http://webisa.webdatacommons.org/454142722

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But if the track is a layer or part of a layer, you will see this instead:
http://www.w3.org/ns/prov#wasQuotedFrom	opencpn.org