About: http://webisa.webdatacommons.org/421733165

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	Another common need is to search files of a certain extension, i.e. ext:.xml for all xml files relative to the directory you are browsing.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com