About: http://webisa.webdatacommons.org/377704272

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	So just leave out the line User :: ...; that line is a syntax error because it User with a capital U (constructor) and only lower-case names (values) may have ascribed types.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com