PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Students who are surrounded with books, newspapers, magazines, and other materials will be tempted to browse and to read from these sources.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov