diff -r 1f9e30f0fa3c -r 9698ad710824 src/js/model.js
--- a/src/js/model.js	Wed Aug 29 18:41:22 2012 +0200
+++ b/src/js/model.js	Wed Aug 29 18:55:55 2012 +0200
@@ -578,6 +578,10 @@
     return this.annotation.getTags().getTitles();
 }
 
+IriSP.Model.MashedAnnotation.prototype.getDuration = function() {
+    return this.annotation.getDuration();
+}
+
 /* */
 
 IriSP.Model.Mashup = function(_id, _source) {