PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Al ???????? Teachers do need to be more responsible for learning web 2.0 tools and time is a huge barrier.
http://www.w3.org/ns/prov#wasQuotedFrom
  • k12onlineconference.org