PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The process for buying search and non-search online ads is practically the same, at least for the major search engines such as Google, Yahoo, Ask.com and Microsoft Live Search.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecommercetimes.com