About: http://webisa.webdatacommons.org/199869073

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	To me, it makes absolutely no sense to cast the two arguments to the more restrictive of the two types BEFORE the comparison rather than to the actually required type AFTER the comparison.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com