Dublin Core

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Dublin Core Metadata Initiative

Dublin Core is the name of a working group and project whose mission is to publish and manage a worldwide resource for defining a universal metadata language for describing resources on the web, and providing guidelines and tutorials for implementing metadata on exisiting and future resources.


Mission and Scope

"The Dublin Core Metadata Initiative provides simple standards to facilitate the finding, sharing and management of information.

DCMI does this by:

   * Developing and maintaining international standards for describing resources
   * Supporting a worldwide community of users and developers
   * Promoting widespread use of Dublin Core solutions

The major characteristics of DCMI as an organization are (the three ‘I’s):

   * Independent: DCMI is not controlled by specific commercial or other interests and is not biased towards specific domains nor does it mandate specific technical solutions
   * International: DCMI encourages participation from organizations anywhere in the world, respecting linguistic and cultural differences
   * Influenceable: DCMI is an open organization aiming at building consensus among the participating organizations; there are no prerequisites for participation

The development and maintenance of a core set of metadata terms (the DCMI Metadata Terms) continues to be one of the main activities of DCMI. In addition, DCMI is developing guidelines and procedures to help implementers define and describe their usage of Dublin Core metadata in the form of Application Profiles. This work is done in a work structure that provide discussion and cooperation platforms for specific communities (e.g. education, government information, corporate knowledge management) or specific interests (e.g. technical architecture, accessibility)."[1]



The Elements

<a name="contributor" />Term Name: contributor
URI:

<a href="http://purl.org/dc/elements/1.1/contributor">http://purl.org/dc/elements/1.1/contributor</a>

Label: Contributor
Definition: An entity responsible for making contributions to the resource.
Comment: Examples of a Contributor include a person,
       an organization, or a service. Typically, the
       name of a Contributor should be used to indicate
the entity.
<a name="coverage" />Term Name: coverage
URI:

<a href="http://purl.org/dc/elements/1.1/coverage">http://purl.org/dc/elements/1.1/coverage</a>

Label: Coverage
Definition: The spatial or temporal topic of the resource, the
       spatial applicability of the resource, or the 
jurisdiction under which the resource is relevant.
Comment: Spatial topic and spatial applicability may be a named place or a location specified by its geographic coordinates. Temporal topic may be a named period, date, or date range. A jurisdiction may be a named administrative entity or a geographic place to which the resource applies. Recommended best practice is to use a controlled vocabulary such as the Thesaurus of Geographic Names [TGN]. Where appropriate, named places or time periods can be used in preference to numeric identifiers such as sets of coordinates or date ranges.
References: [TGN] http://www.getty.edu/research/tools/vocabulary/tgn/index.html
<a name="creator" />Term Name: creator
URI:

<a href="http://purl.org/dc/elements/1.1/creator">http://purl.org/dc/elements/1.1/creator</a>

Label: Creator
Definition: An entity primarily responsible for making the resource.
Comment: Examples of a Creator include a person, an
       organization, or a service. Typically, the name
of a Creator should be used to indicate the entity.
<a name="date" />Term Name: date
URI:

<a href="http://purl.org/dc/elements/1.1/date">http://purl.org/dc/elements/1.1/date</a>

Label: Date
Definition: A point or period of time associated with an event in the lifecycle of the resource.
Comment: Date may be used to express temporal information
       at any level of granularity.  Recommended best 
       practice is to use an encoding scheme, such as 
the W3CDTF profile of ISO 8601 [W3CDTF].
References: [W3CDTF] http://www.w3.org/TR/NOTE-datetime
<a name="description" />Term Name: description
URI:

<a href="http://purl.org/dc/elements/1.1/description">http://purl.org/dc/elements/1.1/description</a>

Label: Description
Definition: An account of the resource.
Comment: Description may include but is not limited to:
       an abstract, a table of contents, a graphical
       representation, or a free-text account of
the resource.
<a name="format" />Term Name: format
URI:

<a href="http://purl.org/dc/elements/1.1/format">http://purl.org/dc/elements/1.1/format</a>

Label: Format
Definition: The file format, physical medium, or dimensions of the resource.
Comment: Examples of dimensions include
       size and duration. Recommended best practice is
       to use a controlled vocabulary such as the list
of Internet Media Types [ MIME ].
References: [ MIME ] http://www.iana.org/assignments/media-types/
<a name="identifier" />Term Name: identifier
URI:

<a href="http://purl.org/dc/elements/1.1/identifier">http://purl.org/dc/elements/1.1/identifier</a>

Label: Identifier
Definition: An unambiguous reference to the resource within a given context.
Comment: Recommended best practice is to identify the
       resource by means of a string conforming
to a formal identification system.
<a name="language" />Term Name: language
URI:

<a href="http://purl.org/dc/elements/1.1/language">http://purl.org/dc/elements/1.1/language</a>

Label: Language
Definition: A language of the resource.
Comment: Recommended best practice is to use a controlled vocabulary such as RFC 4646 [RFC4646].
References: [RFC4646] http://www.ietf.org/rfc/rfc4646.txt
<a name="publisher" />Term Name: publisher
URI:

<a href="http://purl.org/dc/elements/1.1/publisher">http://purl.org/dc/elements/1.1/publisher</a>

Label: Publisher
Definition: An entity responsible for making the resource available.
Comment: Examples of a Publisher include a person, an
       organization, or a service. Typically, the name of
a Publisher should be used to indicate the entity.
<a name="relation" />Term Name: relation
URI:

<a href="http://purl.org/dc/elements/1.1/relation">http://purl.org/dc/elements/1.1/relation</a>

Label: Relation
Definition: A related resource.
Comment: Recommended best practice is to identify the
       related resource by means of a string conforming
to a formal identification system.
<a name="rights" />Term Name: rights
URI:

<a href="http://purl.org/dc/elements/1.1/rights">http://purl.org/dc/elements/1.1/rights</a>

Label: Rights
Definition: Information about rights held in and over the resource.
Comment: Typically, rights information includes
       a statement about various property rights 
       associated with the resource, including
intellectual property rights.
<a name="source" />Term Name: source
URI:

<a href="http://purl.org/dc/elements/1.1/source">http://purl.org/dc/elements/1.1/source</a>

Label: Source
Definition: A related resource from which the described resource is derived.
Comment: The described resource may be derived from the
       related resource in whole or in part. Recommended
       best practice is to identify the related resource
       by means of a string conforming to a formal
identification system.
<a name="subject" />Term Name: subject
URI:

<a href="http://purl.org/dc/elements/1.1/subject">http://purl.org/dc/elements/1.1/subject</a>

Label: Subject
Definition: The topic of the resource.
Comment: Typically, the subject will be represented using
       keywords, key phrases, or classification codes.
       Recommended best practice is to use a controlled
       vocabulary.  To describe the spatial or temporal 
topic of the resource, use the Coverage element.
<a name="title" />Term Name: title
URI:

<a href="http://purl.org/dc/elements/1.1/title">http://purl.org/dc/elements/1.1/title</a>

Label: Title
Definition: A name given to the resource.
Comment: Typically, a Title will be a name by which the resource is formally known.
<a name="type" />Term Name: type
URI:

<a href="http://purl.org/dc/elements/1.1/type">http://purl.org/dc/elements/1.1/type</a>

Label: Type
Definition: The nature or genre of the resource.
Comment: Recommended best practice is to use a controlled
       vocabulary such as the DCMI Type Vocabulary
       [DCMITYPE]. To describe the file format, physical
       medium, or dimensions of the resource, use the
Format element.
References: [DCMITYPE] http://dublincore.org/documents/dcmi-type-vocabulary/



Resources


Tutorials


References

  1. DublinCore - About: http://dublincore.org/about/

See Also

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