A Persistent Web IDentifier (PWID) URN Namespace
draft-pwid-urn-specification-00

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Internet Engineering Task Force                           E. Zierau, Ed.
Internet-Draft                                  The Royal Danish Library
Intended status: Informational                          December 7, 2017
Expires: June 10, 2018

            A Persistent Web IDentifier (PWID) URN Namespace
                    draft-pwid-urn-specification-00

Abstract

   This document specifies a Uniform Resource Name (URN) for Persistent
   Web IDentifiers to web material in web archives using the 'pwid'
   namespace identifier.  The purpose of the standard is to support
   general, global, sustainable, humanly readable, technology agnostic,
   persistent and precise web references for web materials.

   The PWID URN can assist in two ways: First, by providing potential
   resolvable precise and persistent reference scheme for documents,
   which is not sufficiently covered by existing web reference
   practices.  Second, by providing a standardized way to specify web
   elements in a web collection also known as web corpus.  Definitions
   of web collections are often needed for extraction of data used in
   production of research results, e.g. for evaluations in the future.
   Current practices today are not persistent as they often use some CDX
   version, which vary for different implementations.

Status of This Memo

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   This Internet-Draft will expire on June 10, 2018.

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Copyright Notice

   Copyright (c) 2017 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
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Namespace Registration Template . . . . . . . . . . . . . . .   3
   3.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   4.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     4.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     4.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Introduction

   The purpose of the PWID URN is to represent general, global,
   sustainable, humanly readable, technology agnostic, persistent and
   precise web archive resource references - in a way that can be used
   for technical solutions.

   The motivation for defining a PWID namespace is the growing challenge
   of references to web resources, - both regarding referencing web
   resources from papers and regarding definition of web collection/
   corpus - calls for action now, which can be provided with PWID as a
   URN, allthough the prefixing with "urn:" is not ideal.  In deatail
   the challenges are:

   o  Citation guidelines generally do not cover general and persistent
      referencing techniques for web resources that are not registered
      by Persistent Identifier systems (like DOI [DOI]).  However, an
      increasing number of references point to resources that only exist
      on the web, e.g. blogs that turned out to have a historical
      impact.  In order to obtain persistency for a reference, the
      target need to be stable.  As the live web is 'alive' and in
      constant change, persistency can only be obtained by referring to

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      archived snapshots of the web.  The PWID URN is therefore focused
      on referencing archived web material in a technology agnostic way
      (research documented in [IPRES] and [ResawRef]).
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