PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It can be used either by inclusion and using the attr_hashable and attr_hashable_cond class methods in the including class then #to_h on objects, or its module method obj_to_hash can be used to produce a hash from an arbitrary object and list of fields.
http://www.w3.org/ns/prov#wasQuotedFrom
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