PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention relates to mail preparation systems and methods, and is particularly concerned with a system and method for preparing mail to be delivered using special services such as certified mail, registered mail, or other tracking or delivery confirmation services.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com