diff --git a/lib/transduction/construct_query_builder.py b/lib/transduction/construct_query_builder.py
new file mode 100644
index 0000000000000000000000000000000000000000..b4a5303285a5466f5e7d77fbd5cd49ea62fb3d17
--- /dev/null
+++ b/lib/transduction/construct_query_builder.py
@@ -0,0 +1,120 @@
+#!/usr/bin/python3.10
+# -*-coding:Utf-8 -*
+
+#==============================================================================
+# TENET: Construct Query Builder
+#------------------------------------------------------------------------------
+# Module offering different functions to build SPARQL queries of transduction 
+# rules, for construct query part.
+#==============================================================================
+
+#==============================================================================
+# Importing required modules
+#==============================================================================
+
+
+
+
+#==============================================================================
+# Global Variable
+#==============================================================================
+
+# -- Default References
+DEFAULT_NET_ID = '?newNet'
+DEFAULT_NET_TYPE = 'Net'
+DEFAULT_SENTENCE_REF = '?sentenceRef'
+DEFAULT_BASE_LEAF = '?baseLeaf'
+DEFAULT_CLASS_NAME = '?className'
+
+
+#==============================================================================
+# Useful Functions
+#==============================================================================
+
+DATA_PROPERTY_TABLE = {
+    'sentence_ref': 'net:hasStructure',
+    'class_name': 'net:hasClassName'
+        }
+
+#==============================================================================
+# Useful Functions
+#==============================================================================
+
+def get_net_type(net_type):
+    if not net_type.startswith('net:'):
+        net_type = f'net:{net_type}'
+    return net_type
+    
+
+def get_net_data(net_id, **net_data):
+    data_str = ""
+    for data_ref, data_val in net_data.items():
+        data_property = DATA_PROPERTY_TABLE[f'{data_ref}']
+        data_str += f"{net_id} {data_property} {data_val}.\n        " 
+    return data_str
+
+
+#==============================================================================
+# Main Functions
+#==============================================================================
+
+def new_net(net_id=DEFAULT_NET_ID,
+            net_type=DEFAULT_NET_TYPE, 
+            base_leaf=DEFAULT_BASE_LEAF, 
+            **net_data ):
+    
+    return f"""
+        # -- New Class Net
+        {net_id} a {get_net_type(net_type)}.
+        {net_id} net:coverBaseNode {base_leaf}. 
+        {get_net_data(net_id, **net_data)}"""
+    
+
+def relation_propagation(net_id=DEFAULT_NET_ID):
+   
+    return f"""  
+        # -- Propagation of relations (from nodes to nets)
+        ?inRelationRole a net:Relation.
+        ?inNet ?inRelationRole {net_id}.
+        ?outRelationRole a net:Relation.
+        {net_id} ?outRelationRole ?outNet."""
+
+    
+#==============================================================================
+# Development Test
+#==============================================================================
+    
+if __name__ == '__main__':
+    
+    print('\n' + ' *** Development Test ***')    
+        
+    print('\n' + ' -- test: get_net_data()')
+    test_str = get_net_data('?newNet', class_name='?conceptName')
+    print(test_str)
+    
+        
+    print('\n' + ' -- test: new_net')
+    test_str = new_net(class_name='?conceptName')
+    print(test_str)
+    test_str = new_net(net_type='Atom_Class_Net', class_name='?conceptName')
+    print(test_str)
+        
+    print('\n' + ' -- test: update a test query')
+    test_query= f"""[...]
+        CONSTRUCT {{
+            {new_net(net_type='Atom_Class_Net', 
+                     sentence_ref='?sentenceRef',
+                     class_name='?conceptName')}
+            {relation_propagation()}
+        
+        }}
+        WHERE {{
+            clause_1
+            clause_2
+            [...]
+            binding
+        }}
+    """
+    print(test_query)
+    
+    print('\n' + ' *** - ***')
\ No newline at end of file
diff --git a/tenet.log b/tenet.log
index 521c7b2468019453eba921130e6bb9c5f848ca2f..e3e5ce6b5b6392248fc29ce5a7c857f616bdda86 100644
--- a/tenet.log
+++ b/tenet.log
@@ -23,8 +23,8 @@
   ----- CTS directory: ./structure/cts/
   ----- target frame directory: ./input/targetFrameStructure/
   ----- input document directory: ./input/amrDocuments/
-  ----- output directory: ./output/SolarSystemDev1-20221210/
-  ----- sentence output directory: ./output/SolarSystemDev1-20221210/
+  ----- output directory: ./output/SolarSystemDev1-20221212/
+  ----- sentence output directory: ./output/SolarSystemDev1-20221212/
   ----- SHACL binary directory: ./lib/shacl-1.3.2/bin
   -- Config File Definition
   ----- schema file: ./structure/amr-rdf-schema.ttl
@@ -44,9 +44,9 @@
   ----- frame ontology seed file: ./input/targetFrameStructure/base-ontology-seed.ttl
   -- Output
   ----- ontology namespace: https://tenet.tetras-libre.fr/base-ontology/
-  ----- output file: ./output/SolarSystemDev1-20221210/SolarSystemDev1.ttl
+  ----- output file: ./output/SolarSystemDev1-20221212/SolarSystemDev1.ttl
   *** - *** 
-- INFO - -- Creating output target directory: ./output/SolarSystemDev1-20221210/
+- INFO - -- Creating output target directory: ./output/SolarSystemDev1-20221212/
 - DEBUG - -- Counting number of graph files (sentences) 
 - DEBUG - ----- Graph count: 1
 - INFO -  === Extraction Processing using New TENET Engine === 
@@ -64,9 +64,9 @@
 - DEBUG - ----- Sentence Loading
 - DEBUG - -------- ./input/amrDocuments/dev/solar-system-1/SSC-01-01.stog.amr.ttl (614)
 - DEBUG - --- Export work graph as turtle
-- DEBUG - ----- Work graph file: ./output/SolarSystemDev1-20221210/SolarSystemDev1-1/SolarSystemDev1.ttl 
+- DEBUG - ----- Work graph file: ./output/SolarSystemDev1-20221212/SolarSystemDev1-1/SolarSystemDev1.ttl 
 - DEBUG - --- Ending Structure Preparation 
-- DEBUG - ----- Total Execution Time = 0:00:00.120758
+- DEBUG - ----- Total Execution Time = 0:00:00.155235
 - INFO - -- Loading Extraction Scheme (amr_scheme_1)
 - DEBUG - ----- Step number: 3
 - INFO - -- Loading Extraction Rules (amr_ctr/*)
@@ -95,7 +95,7 @@
 - DEBUG - --- Serializing graph to SolarSystemDev1_preprocessing 
 - DEBUG - ----- step: preprocessing
 - DEBUG - ----- id: SolarSystemDev1
-- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221210/SolarSystemDev1-1/SolarSystemDev1_preprocessing.ttl
+- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221212/SolarSystemDev1-1/SolarSystemDev1_preprocessing.ttl
 - DEBUG - ----- base: http://SolarSystemDev1/preprocessing
 - INFO - ----- 212 triples extracted during preprocessing step
 - INFO - -- Applying extraction step: transduction
@@ -176,7 +176,7 @@
 - DEBUG - --- Serializing graph to SolarSystemDev1_transduction 
 - DEBUG - ----- step: transduction
 - DEBUG - ----- id: SolarSystemDev1
-- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221210/SolarSystemDev1-1/SolarSystemDev1_transduction.ttl
+- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221212/SolarSystemDev1-1/SolarSystemDev1_transduction.ttl
 - DEBUG - ----- base: http://SolarSystemDev1/transduction
 - INFO - ----- 376 triples extracted during transduction step
 - INFO - -- Applying extraction step: generation
@@ -205,23 +205,23 @@
 - DEBUG - --- Serializing graph to SolarSystemDev1_generation 
 - DEBUG - ----- step: generation
 - DEBUG - ----- id: SolarSystemDev1
-- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221210/SolarSystemDev1-1/SolarSystemDev1_generation.ttl
+- DEBUG - ----- work_file: ./output/SolarSystemDev1-20221212/SolarSystemDev1-1/SolarSystemDev1_generation.ttl
 - DEBUG - ----- base: http://SolarSystemDev1/generation
 - INFO - ----- 159 triples extracted during generation step
 - INFO - -- Result: file containing only the factoids
 - DEBUG - --- Making factoid graph with the last step result
 - DEBUG - ----- Number of factoids: 176
 - DEBUG - ----- Graph base: http://SolarSystemDev1/factoid
-- DEBUG - --- Serializing graph to factoid file (./output/SolarSystemDev1-20221210/SolarSystemDev1-1/SolarSystemDev1_factoid.ttl)
+- DEBUG - --- Serializing graph to factoid file (./output/SolarSystemDev1-20221212/SolarSystemDev1-1/SolarSystemDev1_factoid.ttl)
 - INFO - 
   *** Execution Time *** 
 ----- Function: apply (lib.tenet_extraction)
------ Total Time: 0:00:07.319353
------ Process Time: 0:00:07.293875
+----- Total Time: 0:00:09.171347
+----- Process Time: 0:00:09.035147
   *** - *** 
 - INFO -  === Final Ontology Generation  === 
 - INFO - -- Making complete factoid graph by merging sentence factoid graphs
 - INFO - ----- Total factoid number: 176
 - INFO - ----- Graph base: http://SolarSystemDev1/factoid
-- INFO - -- Serializing graph to factoid file (./output/SolarSystemDev1-20221210/SolarSystemDev1_factoid.ttl)
+- INFO - -- Serializing graph to factoid file (./output/SolarSystemDev1-20221212/SolarSystemDev1_factoid.ttl)
 - INFO -  === Done ===