PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, it will probably be necessary to begin this activity with some background on the era, both from web sites (some of which are listed below), from text materials, and from library books and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • firstladies.org