About: http://webisa.webdatacommons.org/301488801

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	Add/Change this in /etc/postfix/main.cf: # add your networks, i.e. 10.0.0.0/24 (meaning 10.0.0.0 - 10.0.0.255), to allow forwarding and skip greylisting from them
http://www.w3.org/ns/prov#wasQuotedFrom	ubuntu.com