About: http://webisa.webdatacommons.org/222004897

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	records covered by the system, including categories of users and the purposes
http://www.w3.org/ns/prov#wasQuotedFrom	ssa.gov