PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So, if there is a planet and there is no dust larger than a grain of sand farther out, that would be a huge challenge to traditional planet formation models,??? stated John Debes, an astronomer at the Space Telescope Science Institute in Baltimore.
http://www.w3.org/ns/prov#wasQuotedFrom
  • universetoday.com