PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to Hearst's Elyse Thibault, the most interesting challenges that search marketers ar e facing these days are messaging, tracking/reporting, keyword management, bidding wars and differentiating between metr ics such as downloads, form submissions, and sales.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com