About: http://webisa.webdatacommons.org/399736823

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	it is specified by Single Unix, so it should be available on all unix systems and unixy environments such as Cygwin.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com