PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The vertigo was the first symptom I had that let me think I was sick--I was sitting on the floor and it felt like one side bucked up and sort of hovered there, but I looked around the room and nothing had moved and no one else had noticed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • radiolab.org