About: http://webisa.webdatacommons.org/419655069

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	Yes, there were workarounds, last time, similar to the one suggested, revolving around cookies and other data, but they always came with a pretty serious limitation or another.
http://www.w3.org/ns/prov#wasQuotedFrom	mozilla.org