2 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:arch="http://www.tik.ee.ethz.ch/~shapes/schema/ARCHITECTURE" targetNamespace="http://www.tik.ee.ethz.ch/~shapes/schema/ARCHITECTURE" elementFormDefault="qualified">
3 <xsd:include schemaLocation="../architecture.xsd"/>