PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the contact repeatedly buys the kinds of products or services your company provides, however, consider leaving the person on your database forever.
http://www.w3.org/ns/prov#wasQuotedFrom
  • multichannelmerchant.com