PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When Gray, the owner, appeared in Boston to take them back to Virginia, it became a noted case in the movement for abolition of slavery, gaining the involvement of such abolitionists as William Lloyd Garrison.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org