PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The First Amendment played a crucial role in the epic struggles of the civil rights movement of the 1950s and '60s, when Dr. Martin Luther King Jr. and countless others engaged in sit-ins, protests, marches and other demonstrations to force social change.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techdirt.com