About: http://webisa.webdatacommons.org/199620197

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	Now there is a new tool that is much faster: vipsthumbnail There are more comprehensive benchmarks abound the net, like this one for example, but here is a quick one to wet your appetite:
http://www.w3.org/ns/prov#wasQuotedFrom	peterbe.com