PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It???s almost 90% hydrogen and 10% helium, and then other trace materials, like methane, ammonia, water and some other stuff.
http://www.w3.org/ns/prov#wasQuotedFrom
  • universetoday.com