PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But William Lloyd Garrison was a champion and abolitionist who wrote about freeing the slaves back in the 1810s, ???20s and ???30s and labored in obscurity (ph) to do this.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infowars.com