Topographic, Address, Address 2, Imagery and Roads data
Zipped archive of schema files
Ordnance Survey schemas
OpenGIS Consortium schemas
W3C schemas and DTDs
GML 2.1.2 implementation specification
These W3C files are available from http://www.w3.org/2001/03/ and relate to the W3C recommendation at http://www.w3.org/tr/REC-xml.
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