About: http://webisa.webdatacommons.org/425482010

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	It represents debt held by Government funds, including the Social Security and Medicare trust funds, which are typically required to invest any excess annual receipts in Federal debt securities.
http://www.w3.org/ns/prov#wasQuotedFrom	treas.gov