PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Several studies indicate the risk is lower when the widow/widower has family or other social support and higher when the bereaved is socially isolated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • straightdope.com