About: http://webisa.webdatacommons.org/10175120

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	3. or, don???t allow anything except for word chars in their username, and use preg_replace(???/[^\w]/???, ???, $usr);
http://www.w3.org/ns/prov#wasQuotedFrom	darknet.org.uk