About: http://webisa.webdatacommons.org/234629444

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	platforms, e.g. Windows.Use this method after adding all the buttons to your dialog,
http://www.w3.org/ns/prov#wasQuotedFrom	pygtk.org