Representation of Uncertainty and Confidence in PIDF-LO

Document Type Replaced Internet-Draft (individual)
Last updated 2014-02-18 (latest revision 2013-08-27)
Replaced by draft-ietf-geopriv-uncertainty
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The key concepts of uncertainty and confidence as they pertain to location information are defined. Methods for the manipulation of location estimates that include uncertainty information are outlined.


Martin Thomson (
James Winterbottom (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)