PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gillian - Everything I have heard/read suggests that receptive language is really the important thing - if he understands you, he will probably talk when he is ready. (kids who do not understand might have hearing or other problems)
http://www.w3.org/ns/prov#wasQuotedFrom
  • mothering.com