About: http://webisa.webdatacommons.org/289724629

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	So, if there was a reason to not use sendfile under 4.x, it is probably not
http://www.w3.org/ns/prov#wasQuotedFrom	freebsd.org