About: http://webisa.webdatacommons.org/159717633

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	This is completely untested though - you should absolutely have a bunch of unit tests (ideally which you write before even including this code) which test all kinds of edge cases you are interested in.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com