PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead of plopping the ad into Google+ streams, Google will run it across the Web on its ad display network, which may include news sites, blogs or other pages, allowing brands to reach a larger audience.The ads will come from posts on businesses' Google+ channels that will be turned into Google engagement ads, paid for by businesses based on the activity they generate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • idg.com.au