diff --git a/examples/UC3-ECG.ttl b/examples/UC3-ECG.ttl
new file mode 100644
index 0000000000000000000000000000000000000000..ebdc007c0b2a0f2ba47d6a950e32a5c3910cdfb0
--- /dev/null
+++ b/examples/UC3-ECG.ttl
@@ -0,0 +1,264 @@
+@prefix : <http://www.semanticweb.org/owl/owlapi/turtle#> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix xml: <http://www.w3.org/XML/1998/namespace> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix voaf: <http://purl.org/vocommons/voaf#> .
+@prefix saref: <https://saref.etsi.org/saref/core/> .
+@prefix s4ehaw: <https://saref.etsi.org/s4ehaw/> .
+@prefix s4envi: <https://saref.etsi.org/saref4envi/> .
+@prefix s4wear: <https://saref.etsi.org/s4wear/> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix s4ehawInst: <https://saref.etsi.org/s4ehaw/instances/> .
+@base <https://saref.etsi.org/s4ehaw/> .
+
+<https://saref.etsi.org/s4ehaw/> rdf:type owl:Ontology ;
+                                 
+                                 rdfs:label "SAREF4EHAW"@en ;
+                                 
+                                 dcterms:description """The objective of SAREF4EHAW is to extend SAREF ontology for the eHealth/Ageing-well (EHAW) vertical.
+
+In this SAREF4EHAW example/instance (from SAREF4EHAW UC3 Early Warning System - EWS - and Cardiovascular Accidents detection), the EWS collects data from an e-Health solution that allows monitoring the ECG data of a person (a driver) using the device. Particularly, the ECG solution is the Shimmer3 ECG, which is composed by an ECG device, an application responsible for sending the high-frequency data (in this example 256Hz) from the device to a service (as a mobile app) via Bluetooth. The mobile app aggregates the ECG data and sends the aggregated data to an IoT Hub (a cloud gateway), which follows the publish/subscribe pattern, allowing a service in the cloud to detect and warn possible emergency situations with the driver."""^^<http://www.iana.org/assignments/media-types/text/markdown> ;
+                                 
+                                 dcterms:issued "date when the document is online"^^xsd:date ;
+                                 
+                                 dcterms:modified "do not set this"^^xsd:date ;
+                                 
+                                 dcterms:created "start date of the STF 2019-01-01"^^xsd:date ;
+                                 
+                                 vann:preferredNamespacePrefix "s4ehaw" ;
+                                 
+                                 rdfs:comment "Extension of SAREF for eHealth Ageing Well domain." ;
+                                 
+                                 dcterms:title "SAREF4EHAW: an extension of SAREF for eHealth Ageing Well domain"@en ;
+
+                                 dcterms:title "SAREF4EHAW Use Case 3 example/instance: Early Warning System - EWS - and Cardiovascular Accidents detection."@en ;
+                                 
+                                 owl:versionInfo "v1.1.1" ;
+                                 
+                                 vann:preferredNamespaceUri "https://saref.etsi.org/s4ehaw/" ;
+                                 
+                                 dcterms:creator <http://www-public.imtbs-tsp.eu/~girodgen/> ;
+                                 
+                                 dcterms:contributor <http://www-public.imtbs-tsp.eu/~girodgen/> ,
+                                                     <http://www.maxime-lefrancois.info/> ;
+                                 
+                                 dcterms:license <https://forge.etsi.org/etsi-software-license> ;
+                                 
+                                 dcterms:source <https://forge.etsi.org/rep/SAREF/s4ehaw/> ;
+                                 
+                                 dcterms:contributor <https://research.utwente.nl/en/persons/jo%C3%A3o-luiz-moreira> ;
+                                 
+                                 owl:imports <https://saref.etsi.org/saref/latest/saref.ttl> ;
+                                 
+                                 dcterms:publisher <https://www.etsi.org/> ;
+                                 
+                                 dcterms:contributor <https://www.linkedin.com/in/lina-nachabe-2b292457/> ,
+                                                     <https://www.linkedin.com/in/maurodragoni/> .
+
+
+
+
+
+#################################################################
+#
+#    Individuals
+#
+#################################################################
+
+
+###  http://www.wurvoc.org/vocabularies/om-1.8/hertz
+
+<http://www.wurvoc.org/vocabularies/om-1.8/hertz> rdf:type owl:NamedIndividual ,
+                                                           s4envi:FrequencyUnit .
+
+
+
+###  https://saref.etsi.org/s4ehaw/
+
+<https://saref.etsi.org/s4ehaw/> rdf:type voaf:Vocabulary ,
+                                          owl:NamedIndividual .
+
+
+
+###  https://saref.etsi.org/s4ehaw/Caregiver_Id_ABCD0001
+
+s4ehaw:Caregiver_Id_ABCD0001 rdf:type owl:NamedIndividual ,
+                                      s4ehaw:Caregiver ;
+                             
+                             s4ehaw:hasPhysicalLocation s4ehawInst:Location_X1_Y2 ;
+                             
+                             s4ehaw:hasActivity s4ehawInst:RecordingECGSession_01 .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/AcceleroemeterX_ECGDevice
+
+s4ehawInst:AcceleroemeterX_ECGDevice rdf:type owl:NamedIndividual ,
+                                              saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/AcceleroemeterY_ECGDevice
+
+s4ehawInst:AcceleroemeterY_ECGDevice rdf:type owl:NamedIndividual ,
+                                              saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/AcceleroemeterZ_ECGDevice
+
+s4ehawInst:AcceleroemeterZ_ECGDevice rdf:type owl:NamedIndividual ,
+                                              saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/Driver_Id_XPTO0001
+
+s4ehawInst:Driver_Id_XPTO0001 rdf:type owl:NamedIndividual ,
+                                       s4ehaw:HealthActor ;
+                              
+                              s4ehaw:hasActivity s4ehawInst:RecordingECGSession_01 .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGLead_III_code131389
+
+s4ehawInst:ECGLead_III_code131389 rdf:type owl:NamedIndividual ,
+                                           saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGLead_II_code131330
+
+s4ehawInst:ECGLead_II_code131330 rdf:type owl:NamedIndividual ,
+                                          saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGLead_I_code131329
+
+s4ehawInst:ECGLead_I_code131329 rdf:type owl:NamedIndividual ,
+                                         saref:Sensor ;
+                                
+                                saref:makesMeasurement s4ehawInst:ECGMeasurementsSeries_Example001 .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGLead_Vx_RL_code131389
+
+s4ehawInst:ECGLead_Vx_RL_code131389 rdf:type owl:NamedIndividual ,
+                                             saref:Sensor .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGMeasurementsSeries_Example001
+
+s4ehawInst:ECGMeasurementsSeries_Example001 rdf:type owl:NamedIndividual ,
+                                                     s4ehaw:TimeSeriesMeasurements ;
+                                            
+                                            saref:hasTimestamp "2018-04-22T22:15:30"^^xsd:dateTime ;
+                                            
+                                            s4ehaw:hasValues "2037" ,
+                                                             "2062" ,
+                                                             "2043" ,
+                                                             "2060" ,
+                                                             "2041" ,
+                                                             "2047" ;
+                                            
+                                            saref:isMeasuredIn s4ehawInst:ElectricPotential_MilliVolts ;
+                                            
+                                            s4envi:hasFrequencyMeasurement s4ehawInst:FrequencyOf256Hertz ;
+                                            
+                                            saref:relatesToProperty s4ehawInst:HeartElectricalActivity_Person .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ECGdeviceFrequency
+
+s4ehawInst:ECGdeviceFrequency rdf:type owl:NamedIndividual ,
+                                       s4envi:Frequency .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/ElectricPotential_MilliVolts
+
+s4ehawInst:ElectricPotential_MilliVolts rdf:type owl:NamedIndividual ,
+                                                 saref:UnitOfMeasure ;
+                                        
+                                        rdfs:label "MilliVolts (mV)" .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/FrequencyOf256Hertz
+
+s4ehawInst:FrequencyOf256Hertz rdf:type owl:NamedIndividual ,
+                                        s4envi:FrequencyMeasurement ;
+                               
+                               rdfs:label "256Hz frequency" ;
+                               
+                               saref:hasValue "256"^^xsd:int ;
+                               
+                               saref:isMeasuredIn <http://www.wurvoc.org/vocabularies/om-1.8/hertz> ;
+                               
+                               saref:relatesToProperty s4ehawInst:ECGdeviceFrequency .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/HeartElectricalActivity_Person
+
+s4ehawInst:HeartElectricalActivity_Person rdf:type owl:NamedIndividual ,
+                                                   saref:Property .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/Location_X1_Y2
+
+s4ehawInst:Location_X1_Y2 rdf:type owl:NamedIndividual ,
+                                   s4ehaw:PhysicalLocation .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/RecordingECGSession_01
+
+s4ehawInst:RecordingECGSession_01 rdf:type owl:NamedIndividual ,
+                                           s4ehaw:MeasurementCollectionSession ;
+                                  
+                                  rdfs:label "Recording ECG session 0001" ;
+                                  
+                                  rdfs:comment "An ECG recording session taken during a trip (truck driver)." ;
+                                  
+                                  saref:consistsOf s4ehawInst:ECGMeasurementsSeries_Example001 .
+
+
+
+###  https://saref.etsi.org/s4ehaw/instances/Shimmer3ECG_unit_T9JRN42
+
+s4ehawInst:Shimmer3ECG_unit_T9JRN42 rdf:type owl:NamedIndividual ,
+                                             s4ehaw:HealthDevice ,
+                                             s4ehaw:HealthWearable ;
+                                    
+                                    rdfs:label "ECG Device: Shimmer3 ECG unit T9J-RN42" ;
+                                    
+                                    rdfs:comment "Shimmer3 EXG unit: device used for INTER-IoT-EWS project. " ;
+                                    
+                                    rdfs:seeAlso "http://www.shimmersensing.com/products/ecg-development-kit#specifications-tab" ;
+                                    
+                                    saref:consistsOf s4ehawInst:AcceleroemeterX_ECGDevice ,
+                                                     s4ehawInst:AcceleroemeterY_ECGDevice ,
+                                                     s4ehawInst:AcceleroemeterZ_ECGDevice ,
+                                                     s4ehawInst:ECGLead_III_code131389 ,
+                                                     s4ehawInst:ECGLead_II_code131330 ,
+                                                     s4ehawInst:ECGLead_I_code131329 ,
+                                                     s4ehawInst:ECGLead_Vx_RL_code131389 ;
+                                    
+                                    s4envi:hasFrequencyMeasurement s4ehawInst:FrequencyOf256Hertz ;
+                                    
+                                    saref:accomplishes s4ehawInst:RecordingECGSession_01 .
+
+
+###  Generated by the OWL API (version 3.4.2) http://owlapi.sourceforge.net
+