About: http://webisa.webdatacommons.org/86822604

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	Nevertheless, 'date' *does* return a non-zero return code if an error if found; *not* checking if a command ended in error is a much more serious programming error than this, ah, invalid date returned.
http://www.w3.org/ns/prov#wasQuotedFrom	launchpad.net