PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the case of English, either writing, or improving their foreign language skills, I have found that 15-20 hours is a good initial target for both students and tutors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wyzant.com