About: http://webisa.webdatacommons.org/100512228

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	The return value is the number of bytes actually written to the output stream, or undef if there was an error.
http://www.w3.org/ns/prov#wasQuotedFrom	cpan.org