PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sunday, April 7, 1968, was a national day of mourning for Dr. Martin Luther King, Jr., and President Johnson continued to monitor the riots which had broken out in a number of major cities after the assassination of Dr. King.
http://www.w3.org/ns/prov#wasQuotedFrom
  • utexas.edu