PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contextual advertising allows you to use keywords like you would in traditional paid search advertising and the search engines will display your ads next to articles, blog posts, and other Web pages that are related to those keywords.
http://www.w3.org/ns/prov#wasQuotedFrom
  • directom.com