PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If your wife could earn $50,000, but instead is at home watching Backyardigans, then your kids are costing you at least $50,000/year (plus all the diapers, food, and other stuff).
http://www.w3.org/ns/prov#wasQuotedFrom
  • getrichslowly.org