PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Support for inquiry-based instruction, a central feature in national and state designs for mathematics and science reform, represents the most important missing element in current teaching practice and is the most difficult challenge for professional development, particularly at the middle and high school levels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • concord.org