About: http://webisa.webdatacommons.org/426137353

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 comma is a reserved character and its meaning is relevant for the URL path (bold emphasis mine):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com