--- a/testcases/provo/prov-o-class-Person-PASS.provn	Wed Dec 05 14:43:52 2012 +0000
+++ b/testcases/provo/prov-o-class-Person-PASS.provn	Wed Dec 05 14:45:50 2012 +0000
@@ -1,9 +1,9 @@
 document
 prefix xsd <http://www.w3.org/2001/XMLSchema>
 prefix prim <http://openprovenance.org/primitives#>
-prefix -814366433 <http://dbpedia.org/resource/>
+prefix db <http://dbpedia.org/resource/>
 prefix prov <http://www.w3.org/ns/prov#>
 prefix xsi <http://www.w3.org/2001/XMLSchema-instance>
 prefix pc1 <http://www.ipaw.info/pc1/>
-agent(-814366433:Pablo_Picasso,[prov:type='prov:Person', foaf:depiction = "http://upload.wikimedia.org/wikipedia/commons/9/98/Pablo_picasso_1.jpg" %% xsd:anyURI])
+agent(db:Pablo_Picasso,[prov:type='prov:Person', foaf:depiction = "http://upload.wikimedia.org/wikipedia/commons/9/98/Pablo_picasso_1.jpg" %% xsd:anyURI])
 endDocument
\ No newline at end of file

--- a/testcases/provo/prov-o-class-Person-PASS.provx	Wed Dec 05 14:43:52 2012 +0000
+++ b/testcases/provo/prov-o-class-Person-PASS.provx	Wed Dec 05 14:45:50 2012 +0000
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <prov:document xmlns:prov="http://www.w3.org/ns/prov#" xmlns:ns2="http://openprovenance.org/collection#" xmlns:ns3="http://openprovenance.org/validation#" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:prim="http://openprovenance.org/primitives#" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:pc1="http://www.ipaw.info/pc1/">
-    <prov:agent xmlns:-814366433="http://dbpedia.org/resource/" prov:id="-814366433:Pablo_Picasso">
+    <prov:agent xmlns:db="http://dbpedia.org/resource/" prov:id="db:Pablo_Picasso">
         <prov:type xsi:type="xsd:QName">prov:Person</prov:type>
         <foaf:depiction xmlns:foaf="http://xmlns.com/foaf/0.1/" xsi:type="xsd:anyURI">http://upload.wikimedia.org/wikipedia/commons/9/98/Pablo_picasso_1.jpg</foaf:depiction>
     </prov:agent>