PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cost is the biggest barrier, according to the survey results, pointing to the need for free digital classroom resources such as those from PBSLearningMedia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mmischools.com