PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You do have to scan the articles to make sure they are not written by some undergraduate student who is not particularly authoritative, but often you can fairly quickly find articles that are written by professors with expertise in the question you are researching.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonmonthly.com