PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Well, since we use the color-magnitude relation to determine how old the oldest surviving stars are in a cluster, we can figure out that this object is only 4.6 million years old.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com