Changes made compared to owms 3.5. - wrapper element 'meta' now part of the 'owms' namespace - 'start' and 'end' element of type 'PeriodOfTime' now within the 'dcterms' namespace (requested by Marco Aerts) - @resourceIdentifier added to datatypes only using a controlled vocabulary (@scheme) in owms 3.5 - redefine mechanism deprecated (see also xsd 1.1 spec) - controlled vocabulary checking done by schematron using a seperate config file