About: http://webisa.webdatacommons.org/73513258

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 is printing with a comma (so I am not sure I understand your comment in your post about this not happening) though I suspect the trailing comma is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com