--- a/2/model.ttl	Mon Aug 12 09:17:11 2013 +0100
+++ b/2/model.ttl	Sun Sep 08 22:00:24 2013 +0100
@@ -1,3 +1,4 @@
+@base <http://w3.org/ns/odrl/2/> .
 @prefix : <http://w3.org/ns/odrl/2/> .
 @prefix odrl: <http://w3.org/ns/odrl/2/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .