PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cancer is a progressive disease characterized by both qualitative and quantitative changes in the phenotypes of evolving tumor cells (1-5).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com