diff -r 16e1473a6a99 -r be2d3b30b2e0 server/src/app/Libraries/CocoonUtils.php
--- a/server/src/app/Libraries/CocoonUtils.php	Fri Jan 22 17:43:25 2016 +0100
+++ b/server/src/app/Libraries/CocoonUtils.php	Tue Jan 19 19:16:23 2016 +0100
@@ -1,6 +1,8 @@
 <?php
 namespace CorpusParole\Libraries;
 
+use EasyRdf\Resource;
+
 class CocoonUtils {
 
     const OLAC_ROLES = [
@@ -61,4 +63,9 @@
         return rtrim(config('corpusparole.cocoon_doc_pub_base_uri'), '/')."/$id";
     }
 
+    public static function isResourceCollection($res) {
+        return $res instanceof Resource &&
+            (strpos(strtolower($res->getUri()), "collection", strlen(config('corpusparole.cocoon_doc_id_base_uri'))) !== FALSE);
+    }
+
 }