About: http://webisa.webdatacommons.org/400551461

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 if you want to match every character except word characters (\w) or whitespace characters (\s), try this:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com