About: http://webisa.webdatacommons.org/123419465

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	I will try to investigate a little more after raising this ticket, though I do not think there is much I will be able to do other than check to see if it was running out of disk space at the time.
http://www.w3.org/ns/prov#wasQuotedFrom	virtualbox.org