PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methylene blue is an organic compound consisting of dark green crystals or crystalline powder, having a bronze-like luster.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hindawi.com