About: http://webisa.webdatacommons.org/179737171

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	Glancing casually through the list, it looks like the majority of the best are from the US, including Harvard, Columbia, Stanford, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org