PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I use my knowledge as a scientist to provide context for more abstract forms of math - something I have found really helps my students to visualize and understand the subject material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • purplemath.com