About: http://webisa.webdatacommons.org/74462816

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	I personally find the query syntax poorer in all cases so far except joins and lets :) Though that part is just my opinion.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com