About: http://webisa.webdatacommons.org/444963020

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	Yo, I am not sure if it is your case, but it seems there is a bug when testing on development environments, mostly due an issue related to the port parameter in a url.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com