PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Io is the closest moon to Jupiter, and the intense gravity causes it to flex back and forth, driving the moon's internal heat.
http://www.w3.org/ns/prov#wasQuotedFrom
  • optcorp.com