diff --git a/support/pipeline.js b/support/pipeline.js
index 0acb0ae..49a8a1b 100644
--- a/support/pipeline.js
+++ b/support/pipeline.js
@@ -312,6 +312,14 @@ function preProcess(triples){
     }
     return t;
   });
+  
+  //Remove triples with empty objects
+  //We found that the RDFa parser did not handle spaces correctly and created triples where the object URI is a ' '.
+  triples = triples.filter(((t) => 
+    !(t.datatype === 'http://www.w3.org/2000/01/rdf-schema#Resource' &&
+      t.object.trim().length < 1)
+  ));
+
   return triples;
 };