diff -r 0365fd9977a4 -r 796ebdbf6a25 server/src/app/Repositories/RdfDocumentRepository.php
--- a/server/src/app/Repositories/RdfDocumentRepository.php	Wed Oct 19 18:05:51 2016 +0200
+++ b/server/src/app/Repositories/RdfDocumentRepository.php	Wed Oct 19 21:38:23 2016 +0200
@@ -168,6 +168,15 @@
             }
             $qFilterParts[] = CorpusFilterManager::getThemeFilterPart($themes);
         }
+        if(array_key_exists('discourses', $filters) && !empty($filters['discourses'])) {
+            $discourses = $filters['discourses'];
+            if(is_string($discourses)) {
+                $discourses = [$discourses,]; // we know it is not empty
+            }
+            $qFilterParts[] = CorpusFilterManager::getDiscourseFilterPart($discourses);
+        }
+
+        Log::debug("queries : ".print_r($qFilterParts, true));
 
         $query = [
             'index' => config('corpusparole.elasticsearch_index'),