E.1
From DGIWG
Schema location
DMF and NGMP schemas are available on the DGIWG website. At this stage, for validation purposes, the files have to be delivered with the metadata file or hosted by the nation. (This will be modified when the DGIWG register will be available.)
Informations concerning ISO 19115-3 namespaces can be found at: http://standards.iso.org/iso/19115/resources/namespaceSummary.html