PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • M1: Cancer has spread to distant organs. (The most common sites are bone, lung, brain, and liver.)Breast cancer stage grouping
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.org