About: http://webisa.webdatacommons.org/168920329

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	Firefox, Thunderbird, Seamonkey, and other products are included in this stream so you will need to filter it.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com