Representation of Uncertainty and Confidence in PIDF-LO

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Last updated 2011-03-09 (latest revision 2010-06-01)
Replaced by rfc7459, 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This Internet-Draft is no longer active.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.)