PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since trials cannot ethically expose volunteers to Ebola, the production of antibodies is a proxy for whether vaccines could prevent or even treat the disease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reuters.com