PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The State Department has also recently released a social media policy, and the Environmental Protection Agency has released specific guidance for the use of Twitter, Facebook, widgets, discussion forums, blogging and other web 2.0 tools.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gsa.gov