About: http://webisa.webdatacommons.org/236179261

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	Easy to use, loads of examples of tests which is exactly what I was looking for, and shows the differing degrees of difficulty.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.co.uk