diff --git a/Example_usage_of_the_Base_Ontology_-_combinig_SAREF_and_BO/BO_SAREF.owl b/Example_usage_of_the_Base_Ontology_-_combinig_SAREF_and_BO/BO_SAREF.owl
new file mode 100644
index 0000000000000000000000000000000000000000..45b8016bf4f83a95573212ca32e76d3020038993
--- /dev/null
+++ b/Example_usage_of_the_Base_Ontology_-_combinig_SAREF_and_BO/BO_SAREF.owl
@@ -0,0 +1,418 @@
+<?xml version="1.0"?>
+<rdf:RDF xmlns="https://git.onem2m.org/MAS/BaseOntology/raw/master/BO_SAREF.owl#"
+     xml:base="https://git.onem2m.org/MAS/BaseOntology/raw/master/BO_SAREF.owl"
+     xmlns:B_O="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#"
+     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:terms="http://purl.org/dc/terms/"
+     xmlns:owl="http://www.w3.org/2002/07/owl#"
+     xmlns:bo_saref="https://git.onem2m.org/MAS/BaseOntology/raw/master/BO_SAREF.owl#"
+     xmlns:xml="http://www.w3.org/XML/1998/namespace"
+     xmlns:saref="https://w3id.org/saref#"
+     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
+     xmlns:skos="http://www.w3.org/2004/02/skos/core#"
+     xmlns:base_ontology="https://git.onem2m.org/MAS/BaseOntology/raw/3_6_0/base_ontology.owl#"
+     xmlns:time="http://www.w3.org/2006/time#"
+     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
+    <owl:Ontology rdf:about="https://git.onem2m.org/MAS/BaseOntology/raw/master/BO_SAREF.owl">
+        <owl:imports rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/3_6_0/base_ontology.owl"/>
+        <owl:imports rdf:resource="https://w3id.org/saref"/>
+    </owl:Ontology>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Object Properties
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- https://w3id.org/saref#IsUsedFor -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#IsUsedFor">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#accomplishes -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#accomplishes">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#actsUpon -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#actsUpon">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#exposesCommand"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#contains -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#contains">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingRelation"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasCategory -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasCategory">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasCommand -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasCommand">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasCommand"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasConsumption -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasConsumption">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasFunction -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasFunction">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasFunction"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasInputParameter -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasInputParameter">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasInputDataPoint"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasOutputParameter -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasOutputParameter">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasOutputDataPoint"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasPrice -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasPrice">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasProduction -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasProduction">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasProfile -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasProfile">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasState -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasState">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasTime -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasTime">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasTypicalConsumption -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasTypicalConsumption">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isAccomplishedBy -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isAccomplishedBy">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isCategoryOf -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isCategoryOf">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingProperty"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isCommandOf -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isCommandOf">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasCommand"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isLocatedIn -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isLocatedIn">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingRelation"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isMeasuredIn -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isMeasuredIn">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#describes"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#isOfferedBy -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#isOfferedBy">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasService"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#offers -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#offers">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasService"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#represents -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#represents">
+        <rdfs:subPropertyOf>
+            <rdf:Description>
+                <owl:inverseOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#exposesFunction"/>
+            </rdf:Description>
+        </rdfs:subPropertyOf>
+    </rdf:Description>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Data properties
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- https://w3id.org/saref#hasDescription -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasDescription">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingAnnotation"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasManufacturer -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasManufacturer">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingAnnotation"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasModel -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasModel">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingAnnotation"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#hasSpaceType -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#hasSpaceType">
+        <rdfs:subPropertyOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#hasThingAnnotation"/>
+    </rdf:Description>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Classes
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- https://w3id.org/saref#BuildingObject -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#BuildingObject">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#ThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#BuildingSpace -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#BuildingSpace">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Thing"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Command -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Command">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Command"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Commodity -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Commodity">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#ThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Device -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Device">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Device"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#DeviceCategory -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#DeviceCategory">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#ThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Function -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Function">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Function"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#FunctionCategory -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#FunctionCategory">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Aspect"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Profile -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Profile">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Thing"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Property -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Property">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Variable"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Service -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Service">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Service"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#State -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#State">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#Variable"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#Task -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#Task">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#ThingProperty"/>
+    </rdf:Description>
+    
+
+
+    <!-- https://w3id.org/saref#UnitOfMeasure -->
+
+    <rdf:Description rdf:about="https://w3id.org/saref#UnitOfMeasure">
+        <rdfs:subClassOf rdf:resource="https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl#MetaData"/>
+    </rdf:Description>
+</rdf:RDF>
+
+
+
+<!-- Generated by the OWL API (version 4.2.6.20160910-2108) https://github.com/owlcs/owlapi -->
+