diff --git a/dream/simulation/Examples/GUI_instances/BatchAllInOneEmpty.json b/dream/simulation/Examples/GUI_instances/BatchAllInOneEmpty.json
index 8cce4a7c659bd01b322b72b18436e55a90c03271..d685fecee7ae985e531c9f268d53f163a70a6889 100644
--- a/dream/simulation/Examples/GUI_instances/BatchAllInOneEmpty.json
+++ b/dream/simulation/Examples/GUI_instances/BatchAllInOneEmpty.json
@@ -213,27 +213,27 @@
               "type": "string"
             },
             {
-              "name": "Obj2: Assignment to machines with higher WIPB",
+              "name": "Assignment to machines with higher WIPB",
               "type": "string"
             },
             {
-              "name": "Obj4: Uniform assignment across stations",
+              "name": "Uniform assignment across stations",
               "type": "string"
             },
             {
-              "name": "Obj3: Min assignment variations",
+              "name": "Min assignment variations",
               "type": "string"
             },
             {
-              "name": "Obj6: Fill sub-line",
+              "name": "Fill sub-line",
               "type": "string"
             },
             {
-              "name": "Obj5: Machines with furthest last assignment time",
+              "name": "Machines with furthest last assignment time",
               "type": "string"
             },
             {
-              "name": "Obj1: Max number of assigned PB",
+              "name": "Max number of assigned PB",
               "type": "string"
             }
           ]
diff --git a/dream/simulation/Examples/GUI_models/BatchFullModel.json b/dream/simulation/Examples/GUI_models/BatchFullModel.json
index acff7a68471990a2b29d4cfaac538187e7c33010..656140982fd665c2406124f5c793f3a68a9c4779 100644
--- a/dream/simulation/Examples/GUI_models/BatchFullModel.json
+++ b/dream/simulation/Examples/GUI_models/BatchFullModel.json
@@ -297,27 +297,27 @@
 					  "type": "string"
 					},
 					{
-					  "name": "Obj2: Assignment to machines with higher WIPB",
+					  "name": "Assignment to machines with higher WIPB",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj4: Uniform assignment across stations",
+					  "name": "Uniform assignment across stations",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj3: Min assignment variations",
+					  "name": "Min assignment variations",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj6: Fill sub-line",
+					  "name": "Fill sub-line",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj5: Machines with furthest last assignment time",
+					  "name": "Machines with furthest last assignment time",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj1: Max number of assigned PB",
+					  "name": "Max number of assigned PB",
 					  "type": "string"
 					}
 				  ]
diff --git a/dream/simulation/Examples/GUI_models/BatchFullModelOperatorsACO.json b/dream/simulation/Examples/GUI_models/BatchFullModelOperatorsACO.json
index 0f1055b6f807f8526a233150c6865407a94ebb89..d240b2c0f53ca7a04bb1068312cf7f999392cfb9 100644
--- a/dream/simulation/Examples/GUI_models/BatchFullModelOperatorsACO.json
+++ b/dream/simulation/Examples/GUI_models/BatchFullModelOperatorsACO.json
@@ -297,27 +297,27 @@
 					  "type": "string"
 					},
 					{
-					  "name": "Obj2: Assignment to machines with higher WIPB",
+					  "name": "Assignment to machines with higher WIPB",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj4: Uniform assignment across stations",
+					  "name": "Uniform assignment across stations",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj3: Min assignment variations",
+					  "name": "Min assignment variations",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj6: Fill sub-line",
+					  "name": "Fill sub-line",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj5: Machines with furthest last assignment time",
+					  "name": "Machines with furthest last assignment time",
 					  "type": "string"
 					},
 					{
-					  "name": "Obj1: Max number of assigned PB",
+					  "name": "Max number of assigned PB",
 					  "type": "string"
 					}
 				  ]
@@ -2293,12 +2293,12 @@
           "ACO_weights_spreadsheet": [
                [
                     "",  
-                    "Obj2: Assignment to machines with higher WIP", 
-                    "Obj4: Uniform assignment across stations", 
-                    "Obj3: Min assignment variations", 
-                    "Obj6: Fill sub-line",
-                    "Obj5: Machines with furthest last assignment time", 
-					"Obj1: Max number of assigned PB"
+                    "Assignment to machines with higher WIP", 
+                    "Uniform assignment across stations", 
+                    "Min assignment variations", 
+                    "Fill sub-line",
+                    "Machines with furthest last assignment time", 
+					"Max number of assigned PB"
                ], 
                [
                     "Min weight value",