About: http://webisa.webdatacommons.org/279282324

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	You could use one CDN for a week, then another, and another and compare the results with some reasonable level of confidence in the results.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com