PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • No. 09/626,577 (attorneys file RPOST-57228), filed by Dr. Terrance A. Tomkow and assigned of record to the assignee of record of this application, a system and method are disclosed and claimed for reliably verifying via secure and tamper-proof documentation the content and delivery of an electronic message such as an e-mail.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com