About: http://webisa.webdatacommons.org/292476903

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 know of the filter you can use to alter whether pages or posts are searched:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com