PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Overture's Marketing Console is designed to measure the performance of marketing campaigns across all online channels, including pay-per-click search (from Overture, Google, or any other PPC provider), banner ads, email campaigns, paid inclusion, affiliate programs, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com