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Re: AW: [Geopriv] Quickrandomcommentsondraft-ietf-geopriv-pdif-l o -profile-00

Henning Schulzrinne <hgs@cs.columbia.edu> Sat, 16 July 2005 03:05 UTC

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Date: Fri, 15 Jul 2005 23:04:26 -0400
From: Henning Schulzrinne <hgs@cs.columbia.edu>
Organization: Columbia University
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To: Brian Rosen <br@brianrosen.net>
Subject: Re: AW: [Geopriv] Quickrandomcommentsondraft-ietf-geopriv-pdif-l o -profile-00
References: <4.3.2.7.2.20050714210002.03e94118@email.cisco.com> <1121432454.2ED5554@dg12.dngr.org>
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Cc: GEOPRIV <geopriv@ietf.org>, "James M. Polk" <jmpolk@cisco.com>, Marc Linsner <mlinsner@cisco.com>
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> The other issue is getting both a civic and a geo in a pidf.  If you 
> have both, you have converted one from the other. It must be possible to 
> determine which was the original, and which was derived from it.

Not necessarily. Civic might have been derived by looking at the floor 
plan and the door signs; geo by some technician schlepping an indoor GPS 
unit from room to room. They are essentially both original data, each 
with their own set of potential reliability issues (measurement errors, 
transcription problems, disagreements between door label and floor plan, 
etc.).

Henning

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