PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead companies should use Facebook, Twitter and other social media, combined with offline word of mouth, to persuade existing customers into recommending their products to prospects.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clickz.com