PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to Bain's estimates, there are now roughly 140 stem-cell-related products in development, for various forms of cancer, liver disease and other conditions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com