About: http://webisa.webdatacommons.org/409452208

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	The issue with the Rich Snippets testing tool flagging this as an error is a bug on our side and should be resolved soon (sorry about the confusion caused by that!).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com