About: http://webisa.webdatacommons.org/256711459

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	Tried the same exercises again, with zero results, except some pain in my back.
http://www.w3.org/ns/prov#wasQuotedFrom	sheldonbrown.com