PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As might be expected, the site contains a number of nice extras, including a place to submit feedback, a teacher's guide, and reactions from the press regarding the series.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov