PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But for newspapers, the challenges are mounting, including advertisers fleeing not only to follow lost readers but also because they believe that newer forms of media can be both more cost-effective and just plain more effective.
http://www.w3.org/ns/prov#wasQuotedFrom
  • threesources.com