PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From the beginnings of life on earth, organisms have been exposed to potentially harsh conditions, with individual cells commonly exposed to toxic substances such as chemicals and radiation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aljazeera.com