PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As you know a picture is worth 1,000 words, and since early immigrants provided no pictures, the red boxes are a substitute.
http://www.w3.org/ns/prov#wasQuotedFrom
  • genealogyhowto.com