diff --git a/src/tests/Mapped_PILIB_Ontology.thy b/src/tests/Mapped_PILIB_Ontology.thy
new file mode 100644
index 00000000..eb184392
--- /dev/null
+++ b/src/tests/Mapped_PILIB_Ontology.thy
@@ -0,0 +1,77 @@
+theory Mapped_PILIB_Ontology
+  imports "Isabelle_DOF.Isa_DOF"
+
+begin
+
+text\<open>User Ontology\<close>
+
+onto_class Item =
+  item_name :: string
+
+onto_class Product = Item +
+  serial_number :: int
+  provider :: string
+  mass :: int
+
+onto_class U_Software = Item +
+  version :: int
+
+onto_class Electronic_Component = Product +
+  dimensions :: "int set"
+  
+datatype Hardware_Type = 
+  Motherboard | 
+  Expansion_Card | 
+  Storage_Device | 
+  Fixed_Media | 
+  Removable_Media |
+  Input_Device |
+  Output_Device
+
+onto_class Computer_Hardware = Product +
+  type :: Hardware_Type
+  composed_of :: "Product set" 
+
+text\<open>Reference Ontology\<close>
+
+onto_class Resource =
+  resource_name :: string
+
+onto_class Electronic = Resource +
+  provider :: string
+  manufacturer :: string
+
+onto_class Component = Electronic +
+  mass :: int
+  dimensions :: "int set" 
+
+onto_class Simulation_Model = Electronic +
+  type :: string
+
+onto_class Informatic = Resource +
+  att :: string 
+  
+onto_class Hardware = Informatic +
+  type :: Hardware_Type
+  mass :: int
+  composed_of :: "Component set" 
+  
+onto_class R_Software = Informatic +
+  version :: int
+
+definition Item_to_Resource_morphism
+  where "Item_to_Resource_morphism (\<sigma>::'a Item_scheme) =
+        \<lparr> tag_attribute = 0::int
+          , resource_name = item_name \<sigma>
+        \<rparr>" 
+
+
+definition U_Software_to_R_Software_morphism
+  where "U_Software_to_R_Software_morphism (\<sigma>::'a U_Software_scheme) =
+        \<lparr> tag_attribute = 1::int
+          , resource_name = Item.item_name \<sigma>
+          , att = ''''
+          , version = U_Software.version \<sigma>
+        \<rparr>" 
+
+end
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