PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 8) For each of the following scenarios, determine whether the situation described is an experiment, observational study, census, or a sample survey.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org