About: http://webisa.webdatacommons.org/111810681

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	As soon as they find something that looks like a document, i.e. a Census record, a SSDI entry, or some similar entry and away they go.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com