About: http://webisa.webdatacommons.org/41383309

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	Opera was a commercial product for a long time but since September 2005 has been available free of charge.
http://www.w3.org/ns/prov#wasQuotedFrom	netxtra.net