PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • taxmap/pub17/p17-031.htm#en_us_publink1000171409Social security number (SSN).(p55) Social Security Number You must give your name and SSN to any person required by federal tax law to make a return, statement, or other document that relates to you.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ntis.gov