About: http://webisa.webdatacommons.org/416015611

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	Matches in which the female retiree was more than 15 years older than the male retiree were excluded because of the significant possibility that the matching male was a son, not a spouse.
http://www.w3.org/ns/prov#wasQuotedFrom	ssa.gov