About: http://webisa.webdatacommons.org/225655499

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 following part, and especially the slash seems to be most suspicious, since it is not allowed in path:
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com