school
SchoolModel
schools
School
persons
Named
name
Person
Student
registrationNum
teachers
Teacher
<?xml version="1.0" encoding="UTF-8"?>
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  <eClassifiers xsi:type="ecore:EClass" name="Named" abstract="true">
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  <eClassifiers xsi:type="ecore:EClass" name="Person" abstract="true" eSuperTypes="#//Named"/>
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    <eStructuralFeatures xsi:type="ecore:EReference" name="teachers" upperBound="-1"
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  <eClassifiers xsi:type="ecore:EClass" name="Teacher" eSuperTypes="#//Person"/>
</ecore:EPackage>

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