PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Traditional resources such as textbooks are expensive and quickly outdated leaving teachers with inadequate tools necessary to teach and depriving students from the most up-to-date educational resources.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apts.org