PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While sampling error cannot be estimated for non-probability samples such as the sample used to conduct this survey, a traditional unweighted probability sample of comparable size would have produced results considered accurate to within plus or minus 4.6 percentage points, 19 times out of 20.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nickblack.org