About: http://webisa.webdatacommons.org/146715265

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	So with Firefox 3.6, Mozilla has introduced personas, which, as far as I can tell, are simply a graphic that replaces the standard gray background behind toolbars, tabs, and other window dressing at the top of the Firefox window.
http://www.w3.org/ns/prov#wasQuotedFrom	tidbits.com