PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Davis concluded that between 1 million and 1.25 million ended up in bondage......In the absence of written records such as custom forms, the historian developed a new methodology to calculate the number of white Christians who were enslaved along Africa's Barbary Coast....It emerged that about one-fourth of slaves had to be replaced each year to keep the slave population stable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.co.uk