PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This was done because, when reading in the raw data, R sometimes assumes that the column is a factor rather than a numeric column.
http://www.w3.org/ns/prov#wasQuotedFrom
  • psychwire.co.uk