PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Major search engines such as Google, Overture, Yahoo and MSN have a pricing model, pay-per-click, as well as search traffic, but no local sales forces in place to sell small to medium-sized businesses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clickz.com