PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Persons who report being enrolled in school could be asked, How much did (you/your household) pay for school-related expenses such as books, supplies, school trips, tuition, room or board between September 1998 and May 1999 for (name)? 4.
http://www.w3.org/ns/prov#wasQuotedFrom
  • census.gov