About: http://webisa.webdatacommons.org/60476233

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	This lesson is a demo, showing the use and capabilities of the Gtk2::MessageDialog class.
http://www.w3.org/ns/prov#wasQuotedFrom	sourceforge.net