PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Interviews with a subset of the 5,232 married adults surveyed in the 1980s and again five years later found those who found happiness discovered the sources of conflict such as money, depression, and even infidelity eased with time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greenspun.com