PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Prolonged periods of overcast weather can also exacerbate SAD. Normal winter blues" can usually be dampened or extinguished by exercise and increased outdoor activity, particularly on sunny days, resulting in increased solar exposure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com