PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • least some problems must be present before the age of seven and produce impairment in at least two different settings, such as school or home.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathforum.org