PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We have to teach, not by a textbook, and not by standardized tests, but by real-world examples of math and science problems that help students understand math and science.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mmsonline.com