About: http://webisa.webdatacommons.org/18960813

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	If you really want to stick with C++ you will have to use a GUI libraries such as Qt or wxWidgets.
http://www.w3.org/ns/prov#wasQuotedFrom	gamedev.net