PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thornton struggled to design the experiment, and incidents out of his control, such as power outages and cancellations, slowed his testing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org