<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  targetNamespace="file:coordinates2.xsd">
 <xs:simpleType name="longitudeT">
  <xs:restriction base="xs:decimal">
   <xs:minExclusive value="-180"/>
   <xs:maxInclusive value="180"/>
  </xs:restriction>
 </xs:simpleType>
 <xs:simpleType name="easternLongitude">
  <xs:restriction base="xs:decimal">
    <!-- note: base="longitudeT" would be nicer, but is not allowed when parsing from RDF -->
   <xs:minInclusive value="10"/>
   <xs:maxInclusive value="180"/>
  </xs:restriction>
 </xs:simpleType>
 <xs:simpleType name="latitudeT">
  <xs:restriction base="xs:decimal">
   <xs:minInclusive value="-90"/>
   <xs:maxInclusive value="90"/>
  </xs:restriction>
 </xs:simpleType>
</xs:schema>