PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A nap lasts around 15 minutes and leaves you feeling refreshed ??? any longer and there is a risk of falling into the early stages of sleep and feeling groggy when aroused.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chopa.com