PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Creativity and successful brain aging: Going with the flow by Susan Krauss Whitbourne, PhD (March 23, 2010), having friends, enjoying leisure activities such as bridge or dancing and developing a flexible mental attitude are three hallmarks of a productive and enjoyable later life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pensionriskmatters.com