PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The breakthrough discovery may help future researchers develop a wide range of more efficient and less-expensive drugs, household products and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • psu.edu