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Re: [Geopriv] Progressing the draft draft-thomson-geopriv-confidence-03

Martin Thomson <martin.thomson@gmail.com> Wed, 31 July 2013 13:23 UTC

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Date: Wed, 31 Jul 2013 15:23:38 +0200
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From: Martin Thomson <martin.thomson@gmail.com>
To: Henning Schulzrinne <hgs@cs.columbia.edu>
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Subject: Re: [Geopriv] Progressing the draft draft-thomson-geopriv-confidence-03
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On 31 July 2013 15:06, Henning Schulzrinne <hgs@cs.columbia.edu> wrote:
> I'm assuming that's because errors do not have an approximately normal (Gaussian) distribution for some or all location determination methods?

In part.  Gaussian distributions are actually becoming the exception
rather than the rule.

Also, it's possible that provisioning errors contribute a greater than
5% reduction in confidence.  Getting good databases is a really hard
operational problem.

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