PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A recent survey of nonprofit groups found that, for all the attention they are paying to Facebook, Twitter and other social media outlets, email and old-fashioned websites remain a much more potent force in communication and fundraising.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wuwf.org