PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Earth Hour was hugely popular on social media ??? videos on YouTube were viewed 2.8 million times, there were 68 million interactions through Earth Hour apps and Facebook, MySpace and other sites, and supermodel Miranda Kerr drove tens of millions to the earthhour.org website.
http://www.w3.org/ns/prov#wasQuotedFrom
  • panda.org