--- a/examples/rdf/prefixes.ttl	Mon Feb 27 21:43:12 2012 -0500
+++ b/examples/rdf/prefixes.ttl	Mon Feb 27 21:48:26 2012 -0500
@@ -6,3 +6,4 @@
 @prefix owl:     <http://www.w3.org/2002/07/owl#> .
 @prefix sd:      <http://www.w3.org/ns/sparql-service-description#> .
 @prefix void:    <http://rdfs.org/ns/void#> .
+@prefix : <#> .