PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Air emissions near fracking sites may pose health risk, study shows; sites contain hydrocarbons including benzene -- ScienceDaily
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com