PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, you are absolutely right to note that this data may well be missing - governments may not collect important types of data and thus an effective open data policy should encourage the collection and analysis of data from non-governmental sources as well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldbank.org