PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are no restrictions against a company emailing its existing customers or anyone who has inquired about its products or services, even if these individuals have not given permission, as these messages are classified as relationship messages under CAN-SPAM.[9] But when sending unsolicited commercial emails, it must be stated that the email is an advertisement or a marketing solicitation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org