PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists, however, have identified a cell marker called CD34 that is unique to the surfaces of a few types of blood cells, including hematopoietic stem cells.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fredhutch.org