PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • iStockphoto/Thinkstock(SAN FRANCISCO) -- It has long been thought that smoking is a form of self-medication for those with mental illness, and when they quit their psychiatric symptoms may worsen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eastidahonews.com