PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • tracking usage of a handheld electronic book reader by a user when viewing a plurality of pages in an electronic document stored in the handheld electronic book reader, wherein the user is a student, and wherein the electronic document includes educational material from a reading assignment that has been assigned to the student;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com