--- a/server/src/app/Http/Controllers/Api/DiscourseController.php	Sun Oct 02 19:11:06 2016 +0200
+++ b/server/src/app/Http/Controllers/Api/DiscourseController.php	Sun Oct 02 19:14:07 2016 +0200
@@ -2,7 +2,6 @@
 
 namespace CorpusParole\Http\Controllers\Api;
 
-// use Illuminate\Http\Request;
 // use CorpusParole\Http\Requests;
 use CorpusParole\Http\Controllers\Controller;
 
@@ -31,10 +30,10 @@
     public function index(Request $request)
     {
 
-        $query =  preg_replace('/\s+/', ' ', "select (?o as ?res) (COUNT(?s) as ?count) where {
+        $query =  preg_replace('/\s+/', ' ', "SELECT (?o AS ?res) (COUNT(?s) AS ?count) WHERE {
             ?s a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.
             ?s <http://purl.org/dc/elements/1.1/type> ?o.
-            filter(uri(?o) in (<".implode('>,<', array_keys(config('corpusparole.corpus_discourse_type'))).">))
+            FILTER(uri(?o) in (<".implode('>,<', array_keys(config('corpusparole.corpus_discourse_type'))).">))
         }
         GROUP BY ?o
         ORDER BY DESC(?count)");