About: http://webisa.webdatacommons.org/3348928

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 the value is an integer, it specifies a file descriptor in the parent
http://www.w3.org/ns/prov#wasQuotedFrom	twistedmatrix.com