PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aging populations and the growing need to provide long-term care to the elderly are among the leading demographic, political, and social challenges facing industrialized countries, including the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • immigrationpolicy.org