PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The optimal number of impressions served depends on any number of factors, including ad format and type of site, and understanding this can lead to a more effective campaign.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clickz.com