PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mama and dada are the most common first words, but some kids say baba (for bottle or ball) or the name of their sibling or pet first.
http://www.w3.org/ns/prov#wasQuotedFrom
  • parenting.com