PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because structures or records are not base types in Perl, each time you want to create a class to provide a record-like data object, you yourself have to define a new() method, plus separate data-access methods for each of that record's fields.
http://www.w3.org/ns/prov#wasQuotedFrom
  • metacpan.org