About: http://webisa.webdatacommons.org/115954810

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	Other headers can be accessed also with e.g. get_sender (From header), get_content_type (MIME::Fast::Part method), etc.
http://www.w3.org/ns/prov#wasQuotedFrom	cpan.org