About: http://webisa.webdatacommons.org/188186312

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	To be currently insured, the worker must have earned 6 QCs in the 13 quarters ending with the quarter of death (that is, 6 of the last 13 quarters, including the quarter in which death occurred).
http://www.w3.org/ns/prov#wasQuotedFrom	socialsecurity.gov