PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This book is a follow-up to Northup???s 1853 book Twelve Years as a Slave, one of the most influential slave narratives published before the Civil War.
http://www.w3.org/ns/prov#wasQuotedFrom
  • albany.edu