PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • His work is a testament to the importance of supporting basic science research ??? whose payoff can take many years or decades to reach fruition but, when it does, it changes the direction of medicine and science, he said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stanford.edu