PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1[19A. Disputes with respect to assignment of copyright.???(1) If an assignee fails to make sufficient exercise of the rights assigned to him, and such failure is not attributable to any act or omission of the assignor, then, the Copyright Board may, on receipt of a complaint from the assignor and after holding such inquiry as it may deem necessary, revoke such assignment.
http://www.w3.org/ns/prov#wasQuotedFrom
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