PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The legislation is particularly noteworthy because it addresses some of the challenges that have stalled the widespread adoption of open textbooks, namely, quality control and cost.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachthought.com