The Media Types application/mods+xml, application/mads+xml, application/mets+xml, application/marcxml+xml, and application/sru+xml
RFC 6207

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Internet Engineering Task Force (IETF)                 R. Denenberg, Ed.
Request for Comments: 6207                           Library of Congress
Category: Informational                                       April 2011
ISSN: 2070-1721

      The Media Types application/mods+xml, application/mads+xml,
 application/mets+xml, application/marcxml+xml, and application/sru+xml

Abstract

   This document specifies media types for the following formats: MODS
   (Metadata Object Description Schema), MADS (Metadata Authority
   Description Schema), METS (Metadata Encoding and Transmission
   Standard), MARCXML (MARC21 XML Schema), and the SRU (Search/Retrieve
   via URL Response Format) protocol response XML schema.  These are all
   XML schemas providing representations of various forms of information
   including metadata and search results.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   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).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see 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
   http://www.rfc-editor.org/info/rfc6207.

Denenberg                     Informational                     [Page 1]
RFC 6207             Library of Congress Media Types          April 2011

Copyright Notice

   Copyright (c) 2011 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   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.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Registration for mods+xml  . . . . . . . . . . . . . . . . . .  4
   3.  Registration for mads+xml  . . . . . . . . . . . . . . . . . .  5
   4.  Registration for mets+xml  . . . . . . . . . . . . . . . . . .  6
   5.  Registration for marcxml+xml . . . . . . . . . . . . . . . . .  7
   6.  Registration for sru+xml . . . . . . . . . . . . . . . . . . .  8
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  9
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . .  9
     8.1.  Harmful Content  . . . . . . . . . . . . . . . . . . . . .  9
     8.2.  Authenticity and Confidentiality . . . . . . . . . . . . .  9
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 10
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 11

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RFC 6207             Library of Congress Media Types          April 2011

1.  Introduction

   The Library of Congress, on behalf of and in collaboration with
   various components of the metadata and information retrieval
   community, has issued specifications that define formats for
   representation of various forms of information including metadata and
   search results.  This memo provides information about the media types
   associated with several of these formats, all of which are XML
   schemas.

   MODS: Metadata Object Description Schema.  An XML schema for a
      bibliographic element set that may be used for a variety of
      purposes, and particularly for library applications.

   MADS: Metadata Authority Description Schema.  An XML schema for an
      authority element set used to provide metadata about agents
      (people, organizations), events, and terms (topics, geographics,
      genres, etc.).  It is a companion to MODS.

   METS: Metadata Encoding and Transmission Standard.  An XML schema for
      encoding descriptive, administrative, and structural metadata
      regarding objects within a digital library.

   MARCXML: MARC21 XML Schema.  An XML schema for the direct XML
      representation of the MARC format (for which there already exists
      a media type, application/marc; see [RFC2220]).  By "direct XML
      representation", we mean that it encodes the actual MARC data
      within XML.  (This is in contrast to MODS: MARC uses codes for its
      element names; MODS represents the same information but uses