PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In contrast to Research in Motion???s Blackberry, which is being attacked by the Saudi Arabian, Indian, and other governments for its very secure servers that keep users??? transmissions confidential, Twitter agreed to provide all tweets to the Library of Congress beginning October 10, 2010, once they are 24 weeks old (six months) so they are available for historical research.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wecnmagazine.com