About: http://webisa.webdatacommons.org/29413802

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	Pdf is a tricky and complex format but primarily text based so Perl can often hack into it.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org