About: http://webisa.webdatacommons.org/156464313

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	We have seen this once or twice but it is a very difficult issue to repro mostly due to focus changes.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com