PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Section 302(e) provides a complete defense against copyright infringement when the work is used more than 75 years after publication or 100 years after creation, whichever is less, provided the user obtains a certificate from the Copyright Office indicating that it has no record to indicate whether that person is living or died less than 50 years before.
http://www.w3.org/ns/prov#wasQuotedFrom
  • copyright.gov