<schema>

  <complexType name="Person">
   <attribute name="id" type="xs:string"/>
   <sequence>
      <element name="Name" type="xs:string"/>
      <element name="Lastname" type="xs:string"/>
      <element name="Degree" type="xs:int"/>
      <element name="Project" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
    </sequence>
  </complexType>

</schema>