PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A big part of the business community in the US is moving towards opt-in because firms such as Procter & Gamble view spam as a threat to their abilities to sell their products over the net, he said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • computerweekly.com