PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If daytime sleepiness is a problem you struggle with regularly you are probably among the estimated 20 percent of Americans who do not get enough sleep.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nyp.org