diff -r 5346d9f3d5ec -r aa25d6b244c8 schema.py
--- a/schema.py	Thu Jul 23 15:17:11 2009 +0200
+++ b/schema.py	Thu Jul 23 15:28:41 2009 +0200
@@ -36,7 +36,7 @@
 #  set of meta-relations available for every entity types
 META_RELATIONS_TYPES = set((
     'owned_by', 'created_by', 'is', 'is_instance_of', 'identity',
-    'eid', 'creation_date', 'modification_date', 'has_text',
+    'eid', 'creation_date', 'modification_date', 'has_text', 'cwuri',
     ))
 
 #  set of entity and relation types used to build the schema