On 11/01/2012 17:39, Ed Avis wrote:
Michael Collinson<mike@...>  writes:

I regretfully have to relay that while the Ordnance Survey "has no
objections to geodata derived in part from OS OpenData being released
under the Open Database License 1.0", this has to permanently exclude
Code-Point Open, (postcode) data.
That data is distributed under the UK Open Government Licence.  If that licence
does not allow use under ODbL, then the same surely applies to other data
released with that licence.

I am sure that the Royal Mail commercial licensing people would very much prefer
that the open postcode data were more restricted, but that does not mean they 
can
somehow make exceptions to the licence.  Could you give more details about what
particular permission is needed?

Hi Ed,

OS data is currently not distributed under UK Open Government Licence but their own license which then incorporates UK Open Government Licence. Their own license includes a downstream attribution clause which OGL does not.

http://lists.openstreetmap.org/pipermail/talk-gb/2011-July/011995.html clarifies the Code-point position.

CC-BY-SA technically forces map makers to attribute each and every contributor to OSM, ODbL does not. So Albanian school-children should perhaps have to attribute the Royal Mail if they make a map of their school under CC-BY-SA. They do not have to under ODbL and the Royal Mail feels that dilutes their IP. Extreme example but it demonstrates the point.

Mike

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