--- a/Xml/Topics/centre_pompidou.xml	mar. nov. 22 23:52:17 2011 +0100
+++ b/Xml/Topics/centre_pompidou.xml	ven. déc. 02 14:51:43 2011 +0100
@@ -16,10 +16,10 @@
       <source type="file">
         <identifier type="uri">4a.tex</identifier>
       </source>
-      <subjectset>
-        <subject id="France"/>
-        <subject id="Architecture"/>
-      </subjectset>
+      <keywordset>
+        <keyword>France</keyword>
+        <keyword>Architecture</keyword>
+      </keywordset>
     </head>
 
     <section>