DC - Overview

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These contents have been obtained from the DCMI official Web site and edited for presentation. Please refer to the DCMI official Web site for additional information on terms of use
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An Overview of the Dublin Core Metadata Initiative
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Dublin Core Metadata Initiative
The Dublin Core Metadata Initiative (DCMI) is an organization dedicated to promoting the widespread adoption of interoperable metadata standards and developing specialized metadata vocabularies for describing resources that enable more intelligent information discovery systems.



Mission and Scope of DCMI
The Dublin Core Metadata Initiative (DCMI) is an open forum for the development of standards for interoperable online metadata in support of a broad range of purposes and business models.

Conceived at an OCLC-sponsored workshop in 1995, DCMI has a growing global reach: over 800 people representing more than 45 nations around the world have subscribed to the DCMI informational mailing list and the website is currently attracting more than 2000 visits a day. The Dublin Core metadata element set has been translated into 25 languages, and has been formally adopted by 7 governments (with other governments currently in discussion phase).

The mission of the DCMI is to make it easier to find resources using the Internet through the following activities:
  1. Developing metadata standards for discovery across domains
  2. Defining frameworks for the interoperation of metadata sets
  3. Facilitating the development of community- or disciplinary-specific metadata sets that are consistent with items 1 and 2

The range of activities of DCMI includes:
  • Standards development and maintenance, such as organizing international workshops and working group meetings directed toward developing and maintaining DCMI recommendations
  • Tools, services, and infrastructure, including the DCMI metadata registry to support the management and maintenance of DCMI metadata in multiple languages
  • Educational outreach and community liaison, including developing and distributing educational and training resources, consulting, and coordinating activities within and between other metadata communities
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These contents have been obtained from the Dublin Core Metadata Initiative (DCMI) official Web site and edited for presentation. Please refer to the DCMI official Web site for additional information on terms of use.
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Dublin Core element set is made up of 15 metadata (data that describes data) elements that offer expanded cataloging information and improved document indexing for search engine programs.

The 15 metadata elements used by Dublin Core are:
  • Title, a name given to the resource
  • Creator, an entity primarily responsible for making the content of the resource
  • Subject, a topic of the content of the resource
  • Description, an account of the content of the resource
  • Publisher, an entity responsible for making the resource available
  • Contributor, an entity responsible for making the resource available
  • Date, a date of an event in the lifecycle of the resource
  • Type, the nature or genre of the content of the resource
  • Format, the physical or digital manifestation of the resource
  • Identifier, an unambiguous reference to the resource within a given context
  • Source, a Reference to a resource from which the present resource is derived
  • Language, a language of the intellectual content of the resource
  • Relation, a reference to a related resource
  • Coverage, the extent or scope of the content of the resource
  • Rights, information about rights held in and over the resource
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These contents have been obtained from the Dublin Core Metadata Initiative (DCMI) official Web site and edited for presentation. Please refer to the DCMI official Web site for additional information on terms of use.
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General information
Title: Dublin Core Metadata Element Set, Version 1.1: Reference Description
Version: 1.1
Release Date: 2 June 2003
Editors: Not available
Status: Version 1.1 of the Dublin Core Metadata Element Set is now officially an International Standard under number ISO 15836. The text of the standard is available at http://www.niso.org/international/SC4/n515.pdf


Electronic version of the document available at html format.
Tracking of changes
  • Change in the recommended best practice for the Language element. It now recommends RFC 3066 rather than RFC 1766
  • Editorial changes made to the text and to the references
  • The attributes to describe the elements are brought in line with the style of the NISO standard
Additional documents
Title: Dublin Core Metadata Element Set, Version 1.1
Release Date: 18 December 2006
Editors: DCMI Usage Board
Status: DCMI Recommendation
Electronic version of the document available in html format.


Title: DCMI Metadata Terms
Release Date: 18 December 2006
Editors: DCMI Usage Board
Status: DCMI Recommendation
Electronic version of the document available in html format.


Title: DCMI Metadata Terms
Release Date: 4 March 2003
Editors: DCMI Usage Board
Status: DCMI Recommendation
Electronic version of the document available in html format.


Title: DCMI Type Vocabulary
Release Date: 12 February 2003
Editors: DCMI Usage Board
Status: DCMI Recommendation
Electronic version of the document available in html format.
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The first public recommendation of Dublin Core Element Set (version 1.0) was released in September, 1998.
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With LOM
IEEE promotes the engineering process of creating, developing, integrating, sharing, and applying knowledge about electrical and information technologies and sciences. The IEEE/LOM (Learning Object Metadata) working group and the DCMI have executed a Memorandum of Understanding outlining areas of mutual interest and cooperation in the area of standards for instructional resources
With GEM Metadata
GEM Element Set 2.0 fully integrates DublinCore Elements and recommendations from the Dublin Core Education Working Group
With EdNA Metadata
EdNA Metadata Standard hardly based in the DublinCore Element Set
With the CEN
The Comité Europeén de Normalisation (CEN) is a consortium of European national standards organizations which supports the implementation of technical standards in Europe in conjunction with worldwide bodies and European partners. The CEN Dublin Core Workshop Agreement provides a forum for the discussion and support of Dublin Core applications in Europe
With the IETF
The Internet Engineering Task Force (IETF) is an open, international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the Internet. The IETF affords a straight forward standardization path for Internet protocols; the Dublin Core Element Set, version 1.0 was first standardized in the IETF as RFC 2413
With the ISO/IEC JTC1/SC29
DCMI and ISO/IEC JTC1/SC29: MPEG Standardization of Coded Representation of Audio, Picture, Multimedia and Hypermedia Information maintain a liaison to promote communication between these two activities
With the ISO/IEC JTC1/SC36
DCMI and ISO/IEC JTC1/SC36: Standards For Information Technology for Learning, Education, and Training maintain a liaison to promote communication between these two activities
With the METS
The Metadata Encoding and Transmission Standard (METS) schema is a standard for encoding descriptive, administrative, and structural metadata regarding objects within a digital library, expressed using the XML schema language of the World Wide Web Consortium. The standard is maintained in the Network Development and MARC Standards Office of the Library of Congress, and is being developed as an initiative of the Digital Library Federation
With the NDLTD
Networked Digital Library of Theses and Dissertations (NDLTD) is an international initiative to promote and support the encoding, storage, and delivery of theses and dissertations in electronic form. NDLTD has designated the Dublin Core as the foundation for their metadata standard and the two organizations maintain a liaison to assure compatible evolution
With the NISO
Dublin Core, version 1.1 was approved as Z39.85 under the newly-established North American Information Standardization Organization (NISO) Fast Track process
With the OAI
The Open Archives Initiative (OAI) develops and promotes interoperability standards that aim to facilitate the efficient dissemination of content on the Internet. OAI has selected the Dublin Core as the common interoperability metadata set in order to leverage the cross community consensus developed over the years in the Dublin Core Metadata Initiative
With the RDF Core Working Group
The RDF Core WG is chartered to complete the work on RDF vocabulary description present in the RDF Schema Candidate Recommendation. The Working Group will address questions and issues raised on the public comments feedback list and the RDF Interest Group list during the Candidate Recommendation period and will produce an updated W3C specification
With the W3C
The World Wide Web Consortium (W3C) develops specifications, guidelines, software, and tools to support Web infrastructure, including HTML, RDF, and XML. Each of which has a role in the syntactic encoding of Dublin Core metadata
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