PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With the goal of identifying robust learning methods, the PSLC uses computer tutors to teach such subjects as algebra, geometry, physics, chemistry, Chinese, and English as a second language in 40 schools and colleges across the country.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drdobbs.com