PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But unfortunately, sometimes we have to make our best guess or at least estimate dates to decide which records to begin searching.There is a common misconception that in the 17th and 18th century, people married very young???at fifteen or sixteen years old.
http://www.w3.org/ns/prov#wasQuotedFrom
  • genealogytoday.com