PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But are such impacts as dangerous to living organisms, if the population density of organisms on the Moon and other planets is less than that on Earth?StephenOxford
http://www.w3.org/ns/prov#wasQuotedFrom
  • bbc.co.uk