About: http://webisa.webdatacommons.org/441361202

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	If you are only looking for one possibility and want to stay mostly in the shell rather than using awk or perl, you could do something like:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com