About: http://webisa.webdatacommons.org/165386951

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	Of course you should choose the user that works best for your system, in Debian/Ubuntu there is a www-data by default, so he is a sensible choice.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com