PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Liver spot is a condition of brown or black spots appearing on the surface of the skin due to aging and exposure to ultraviolet radiation from the sun.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthblogs.org