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Representation of Uncertainty and Confidence in the Presence Information Data Format Location Object (PIDF-LO) (RFC7459) Disclosure Number: IPCOM000240769D
Original Publication Date: 2015-Feb-01
Included in the Prior Art Database: 2015-Feb-27
Document File: 78 page(s) / 80K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Thomson: AUTHOR [+1]


Location information represents an estimation of the position of a Target [RFC6280]. Under ideal circumstances, a location estimate precisely reflects the actual location of the Target. For automated systems that determine location, there are many factors that introduce errors into the measurements that are used to determine location estimates.

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Internet Engineering Task Force (IETF)                        M. Thomson Request for Comments: 7459                                       Mozilla Updates: 3693, 4119, 5491                                J. Winterbottom Category: Standards Track                                   Unaffiliated ISSN: 2070-1721                                            February 2015

             Representation of Uncertainty and Confidence in      the Presence Information Data Format Location Object (PIDF-LO)


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

   This document normatively updates the definition of location    information representations defined in RFCs 4119 and 5491.  It also    deprecates related terminology defined in RFC 3693.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Thomson & Winterbottom       Standards Track                    [Page 1]
 RFC 7459                Uncertainty & Confidence           February 2015

 Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Thomson & Winterbottom       Standards Track                    [Page 2]
 RFC 7459                Uncertainty & Confidence           February 2015

 Table of Contents

   1. Introduction ....................................................4

      1.1. Conventions and Terminology .........