About: http://webisa.webdatacommons.org/282326309

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	For the purpose of the present discussion, the term "symbol will be used to mean any image, cursor, icon, window, or other object or item which is displayed on a GUI screen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ch