PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I should have said that this system is a good prospect for a habitable Earth-like planet, perhaps the best we???ve had so far in that from what we know of the system there is a good possibility that there will be a super-Earth or something smaller in the habitable zone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • centauri-dreams.org