PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In certain subjects, such as the sciences, mathematics, engineering and the foreign languages, courses (particularly at the introductory or intermediate level) must be taken in sequence because the concepts introduced and skills acquired at one level are needed for successful work at the next higher level.
http://www.w3.org/ns/prov#wasQuotedFrom
  • duke.edu