About: http://webisa.webdatacommons.org/80952719

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	Note: I already had the unique constraint, which resulted in exceptions, handling them is a huge pain.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com