PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Akerlof tackles the latter problem, arguing that low marriage rates contribute to single men???s elevated rates of crime, drug addiction, unemployment, mortality, and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ifstudies.org