PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • How birds accomplish this feat remains a mystery, but when solved, efforts to improve cognitive function in people that are sleep-deprived as part of their profession, such as soldiers and pilots, could be refined.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanscientist.org