PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unit nonresponse in surveys occurs for various reasons, including the failure to locate sampled persons and the refusal of sampled persons to be interviewed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nap.edu