About: http://webisa.webdatacommons.org/44811182

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	Good questions, and not the sort I can really answer in the comments - so here is a full post dedicated to a full answer.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com