PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Another Facebook momentum snapshot As of July, 350,000 websites, most of them news, sports and publishing sites, had added what Facebook calls "social plug-ins"???of which the Like button is the most prominent example.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com