PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Computing and Information Services periodically posts alerts about malicious E-mail messages and other pressing security issues, such as messages that appear to have been sent by the accounts office, electronic post cards that appear to have been sent by a friend, and vulnerabilities that were discovered in your operating system or application program that must be corrected without delay.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unh.edu