<root>
  <CID>id</CID>
  <COL1>xxx</COL1>
  <COL2>yyy</COL2>
  <COL3>zzz</COL3>
</root>

<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns=....>
    <element  name="root">
        <complexType mixed="true">
            <sequence>
                <element name="Location" minOccurs="1" maxOccurs="unbounded">
                    <complexType mixed="true">
                        <attribute name=CID" type="integer" use="required"/>
                        <attribute name="First" type="decimal" use="optional"/>
                        <attribute name="Second" type="decimal" use="optional"/>
                        <attribute name="Third" type="decimal" use="optional"/>
                    </complexType>
                </element>
            </sequence>
        </complexType>
    </element>
</schema>