About: http://webisa.webdatacommons.org/449214085

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	a filesystem operation. ls works, but e.g. mount results in the above panic.
http://www.w3.org/ns/prov#wasQuotedFrom	netbsd.org