Jonathan Moffett (jdm(at)cs.york.ac.uk)
Tue, 29 Dec 1998 09:32:44 +0000
[Safety-related]: I am forwarding this to the list as it was filtered out because it did not contain "safety" in the subject line or message. Jonathan Moffett Safety-critical mailing list moderator >Date: Wed, 23 Dec 1998 10:08:32 GMT >From: johnson(at)dcs.gla.ac.uk >To: hise-safety-critical(at)cs.york.ac.uk >Subject: Re: Validating Critical Data > >Hi John - I have some first hand experience of maps - >the ordinance survey provide validation and control >data for anyone trying to produce maps of the UK. >See: > >http://www.o-s.co.uk/services/control/index.htm > >CERCO is the European organisation and has some >validation acitivities (www.ign.fr). > >All of the organisations rely to some extent on incident >reporting to validate their own data. I looked at an >incident where the OS map placed the top of a ski lift >several hundred yards to the north-east of its actual >location - particularly bad as climbers and walkers were >all using this to navigate. > >Hope this helps, > Chris. >