1 files changed, 3 insertions, 0 deletions
diff --git a/serd.ttl b/serd.ttl
index e3822087..2bacf5e8 100644
--- a/serd.ttl
+++ b/serd.ttl
@@ -1,4 +1,7 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .
 
 <http://drobilla.net/drobilla#me>
 	a foaf:Person ;