PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is also well-known that some malignant tumors, particularly lymphomas, leukaemias and carcinomas can be treated by radiation therapy using gamma rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com