PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first series of nine studies involve isolating various features of what makes a problem appear 'practical' to students tested on those problems, such as having physical objects to manipulate or being rewarded for the right answer, to determine whether those factors are related to better student performance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ed.gov