diff --git a/config/transduction-schemes.ttl b/config/transduction-schemes.ttl
index 49ca3a048f742e8365cc764d8641af4d40fb878a..357a3d82936b51e39f4c114b957aa32a0a0cddc2 100644
--- a/config/transduction-schemes.ttl
+++ b/config/transduction-schemes.ttl
@@ -381,7 +381,6 @@ CONSTRUCT {
    ?newNet net:class1 ?mainEntity.	
    ?newNet net:class2 ?subEntity2.	
    ?newNet net:class2 ?subEntity3.	
-   ?newNet net:entityInstance ?instanceName. 
 }
 WHERE {
    # net1: entity
@@ -391,7 +390,6 @@ WHERE {
    ?net1 net:node ?uw1.
    ?net1 net:entityClass ?entityClass.
    ?net1 net:concept ?mainEntity.	
-   ?net1 net:entityInstance ?instanceName. 
    # net2: complement modList
    ?net2 a net:Instance.
    ?net2 net:type net:complement_mod_list.
@@ -452,7 +450,6 @@ CONSTRUCT {
    ?newNet net:class1 ?mainEntity.	
    ?newNet net:class2 ?subEntity2.	
    ?newNet net:class2 ?subEntity3.	
-   ?newNet net:entityInstance ?instanceName. 
 }
 WHERE {
    # net1: agent
@@ -462,7 +459,6 @@ WHERE {
    ?net1 net:node ?uw1.
    ?net1 net:entityClass ?entityClass1.
    ?net1 net:concept ?mainEntity.	
-   ?net1 net:entityInstance ?instanceName. 
    # net2: entity modList
    ?net2 a net:Instance.
    ?net2 net:type net:entity_mod_list.
@@ -526,7 +522,6 @@ CONSTRUCT {
    ?newNet net:class1 ?mainEntity.	
    ?newNet net:class2 ?subEntity2.	
    ?newNet net:class2 ?subEntity3.	
-   ?newNet net:entityInstance ?instanceName. 
 }
 WHERE {
    # net1: agent
@@ -536,7 +531,6 @@ WHERE {
    ?net1 net:node ?uw1.
    ?net1 net:entityClass ?entityClass1.
    ?net1 net:concept ?mainEntity.	
-   ?net1 net:entityInstance ?instanceName. 
    # net2: entity modList
    ?net2 a net:Instance.
    ?net2 net:type net:entity_mod_list.
@@ -631,6 +625,8 @@ cts:entity_extraction
   sh:rule cts:create-entity-net ;
   sh:rule cts:extend-mod-list ;
   sh:rule cts:init-mod-list ;
+  sh:rule cts:instantiate-classlist-by-extension-1 ;
+  sh:rule cts:instantiate-classlist-by-extension-2 ;
   sh:rule cts:instantiate-entity-net ;
   sh:rule cts:typify-modlist-entity ;
   sh:rule cts:typify-modlist-feature ;
@@ -814,6 +810,78 @@ WHERE {
 }""" ;
   sh:order "111"^^xsd:decimal ;
 .
+cts:instantiate-classlist-by-extension-1
+  rdf:type sh:SPARQLRule ;
+  sh:construct """PREFIX owl: <http://www.w3.org/2002/07/owl#>
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX unl: <https://unl.tetras-libre.fr/rdf/schema#>
+PREFIX net: <https://unsel.tetras-libre.fr/tenet/semantic-net#>
+PREFIX cprm: <https://unsel.tetras-libre.fr/tenet/config/parameters#>
+PREFIX req: <https://unsel.tetras-libre.fr/tenet/frame/requirement-ontology#>
+PREFIX sys: <https://unsel.tetras-libre.fr/tenet/frame/system-ontology#>
+PREFIX fprm: <https://unsel.tetras-libre.fr/tenet/frame/parameters#>
+    
+# -- Compose an Entity net and an Entity ModList net (with same entity classes)
+CONSTRUCT { 
+   ?net2 net:entityInstance ?instanceName1. 
+}
+WHERE {
+   # net2: entity with instance
+   ?net1 a net:Instance.
+   ?net1 net:type net:entity.
+   ?net1 net:entityClass ?sameClass.
+   ?net1 net:structure ?sameReq.
+   ?net1 net:concept ?sameEntity.	
+   ?net1 net:entityInstance ?instanceName1. 
+   # net2: another entity classList
+   ?net2 a net:Instance.
+   ?net2 net:type net:entity_class_list.
+   ?net2 net:entityClass ?sameClass.
+   ?net2 net:structure ?sameReq.
+   ?net2 net:class1 ?sameEntity.	
+   # Filter
+   FILTER NOT EXISTS { ?net2 net:entityInstance ?instanceName2 } .
+}""" ;
+  sh:order "124"^^xsd:decimal ;
+.
+cts:instantiate-classlist-by-extension-2
+  rdf:type sh:SPARQLRule ;
+  sh:construct """PREFIX owl: <http://www.w3.org/2002/07/owl#>
+PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
+PREFIX unl: <https://unl.tetras-libre.fr/rdf/schema#>
+PREFIX net: <https://unsel.tetras-libre.fr/tenet/semantic-net#>
+PREFIX cprm: <https://unsel.tetras-libre.fr/tenet/config/parameters#>
+PREFIX req: <https://unsel.tetras-libre.fr/tenet/frame/requirement-ontology#>
+PREFIX sys: <https://unsel.tetras-libre.fr/tenet/frame/system-ontology#>
+PREFIX fprm: <https://unsel.tetras-libre.fr/tenet/frame/parameters#>
+    
+# -- Compose an Entity net and an Entity ModList net (with same entity classes)
+CONSTRUCT { 
+   ?net2 net:entityInstance ?instanceName1. 
+}
+WHERE {
+   # net2: entity classList with instance
+   ?net1 a net:Instance.
+   ?net1 net:type net:entity_class_list.
+   ?net1 net:entityClass ?sameClass.
+   ?net1 net:structure ?sameReq.
+   ?net1 net:class2 ?sameEntity.	
+   ?net1 net:entityInstance ?instanceName1. 
+   # net2: another entity classList
+   ?net2 a net:Instance.
+   ?net2 net:type net:entity_class_list.
+   ?net2 net:entityClass ?sameClass.
+   ?net2 net:structure ?sameReq.
+   ?net2 net:class1 ?sameEntity.	
+   # Filter
+   FILTER NOT EXISTS { ?net2 net:entityInstance ?instanceName2 } .
+}""" ;
+  sh:order "125"^^xsd:decimal ;
+.
 cts:instantiate-entity-classes
   rdf:type sh:SPARQLRule ;
   rdfs:label "Instantiate Entity Classes" ;