About: http://webisa.webdatacommons.org/125421489

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	Working code (to your specs, except for using __DATA__ rather than a file as the data source):
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org