PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Using a fixed effects approach, the study controlled for a variety of factors such as parental employment, television-watching, the quality of school facilities, the years of experience the children's teachers had, and other variables that could potentially affect child outcomes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com