PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many tools and practices that facilitate differentiation, including many suggested in this article, make use of free software and programs, as well as basic technologies found in almost every classroom.
http://www.w3.org/ns/prov#wasQuotedFrom
  • learnnc.org