PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Earth Hour is a public awareness event created by World Wildlife Fund that encourages businesses and residents to join in turning off the lights for one hour on March 29th, 2008, to demonstrate that ???individual action on a mass scale can help change our planet for the better.??? More than 30 cities on six continents around the world are participating in Earth Hour.
http://www.w3.org/ns/prov#wasQuotedFrom
  • illinois.gov