About: http://webisa.webdatacommons.org/452274652

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	The example you gave is an error, and if properly implemented, it would not be detected.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com