diff --git a/config/transduction-schemes.ttl b/config/transduction-schemes.ttl
index 00fa0218cc6dd4be2c391c2da23db7ef3a881cc8..f6722db292b7e88fb5840f653282a41b1da9d0f3 100644
--- a/config/transduction-schemes.ttl
+++ b/config/transduction-schemes.ttl
@@ -59,7 +59,7 @@ WHERE {
    ?net1 net:has_node ?uw1, ?uw2.
    ?net1 net:has_parent ?parentObject.	
    ?parentObject net:has_class_uri ?parentUri.
-   ?parentObject net:has_instance_uri ?instanceUri.	
+   # -- old --- ?parentObject net:has_instance_uri ?instanceUri.	
    ?parentObject net:has_concept ?parentConcept.
    ?net1 net:has_item ?itemObject1, ?itemObject2.	
    ?itemObject1 net:has_class_uri ?item1Uri.
@@ -117,7 +117,7 @@ WHERE {
    ?net1 net:has_node ?uw1, ?uw2.
    ?net1 net:has_parent ?parentObject.	
    ?parentObject net:has_class_uri ?parentUri.
-   ?parentObject net:has_instance_uri ?instanceUri.	
+   # -- old --- ?parentObject net:has_instance_uri ?instanceUri.	
    ?parentObject net:has_concept ?parentConcept.
    ?net1 net:has_item ?itemObject1, ?itemObject2.	
    ?itemObject1 net:has_class_uri ?item1Uri.