PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To test whether chemicals are toxic to humans, researchers need to use liver cells that have been freshly harvested from mice or other mammals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com