About: http://webisa.webdatacommons.org/3513621

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	As for copyright, you are correct - treaties such as the ACTA are the main mechanism for changes, and through others, such as the free trade agreement signed between the US and Australia a few years ago.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org