About: http://webisa.webdatacommons.org/199391544

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	For some reason, the video now does not show at the above link any more (at least, for me), though there is a brief article and some pictures.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com