Meta data Dublin Core

Meta data Dublin Core

< Meta Name = "DC.

The Dublin Core Metadata Initiative ( dc meta tags ) is an open organization engaged in the development of interoperable online metadata standards that support a broad range of purposes and business models.

DCMI’s activities include work on architecture and modeling, discussions and collaborative work in DCMI Communities and DCMI Task Groups, annual conferences and workshops, standards liaison, and educational efforts to promote widespread acceptance of metadata standards and practices.

How to use Dublin Core Metadata Set

The first standard published is the Dublin Core Metadata Element Set – DCMI. It exists of 15 optional metadata-elements that can be randomly repeated or left out.

  • DC.TITLE
  • DC.CREATOR
  • DC.SUBJECT
  • DC.DESCRIPTION
  • DC.PUBLISHER
  • DC.CONTRIBUTORS
  • DC.DATE
  • DC.TYPE
  • DC.FORMAT
  • DC.IDENTIFIER
  • DC.SOURCE
  • DC.LANGUAGE
  • DC.RELATION
  • DC.COVERAGE
  • DC.RIGHTS

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Why you should use DCMI  – Dublin Core metadata

The current release of “DCMI Metadata Terms” reflects editorial changes approved since December 2006, notably:

  • improved definitions, descriptive labels, and usage comments,
  • differentiation of Encoding Schemes between Syntax Encoding Schemes and Vocabulary Encoding Schemes, with clarified definitions,
  • updated references to standards maintained by the Internet Engineering Task Force and the International Organization for Standardization (ISO),
  • two new terms related to the DCMI Abstract Model [DCAM],
  • clarification in the DCMI Abstract Model that a Vocabulary Encoding Scheme is an “enumerated set of resources” (such as the DCMI Type Vocabulary, a set of classes), and
  • the specification of formal domains and ranges (and in some cases, subproperty relations) for DCMI properties.

 

HTML Code Examples

Element Name: Title
Label: Title
Definition: A name given to the resource.
Comment: Typically, Title will be a name by which the resource is formally known.
    <meta name="DC.title" lang="en" content="DC Dublin Core META Tags - DCMI Dublin Core Metadata Initiative">

 
Element Name: Creator
Label: Creator
Definition: An entity primarily responsible for making the content of the resource.
Comment: Examples of Creator include a person, an organization, or a service. Typically, the name of a Creator should be used to indicate the entity.
    <meta name="DC.creator" content="Administrator">

 
Element Name: Subject
Label: Subject and Keywords
Definition: A topic of the content of the resource.
Comment: Typically, Subject will be expressed as keywords, key phrases or classification codes that describe a topic of the resource. Recommended best practice is to select a value from a controlled vocabulary or formal classification scheme.
    <meta name="DC.subject" lang="en" content="DCMI; Dublin Core Metadata Initiative; DC META Tags">

 
Element Name: Description
Label: Description
Definition: An account of the content of the resource.
Comment: Examples of Description include, but is not limited to: an abstract, table of contents, reference to a graphical representation of content or a free-text account of the content.
    <meta name="DC.description" lang="en" content="Examples of Dublin Core META Tags.">

 
Element Name: Publisher
Label: Publisher
Definition: An entity responsible for making the resource available
Comment: Examples of Publisher include a person, an organization, or a service. Typically, the name of a Publisher should be used to indicate the entity.


<meta name="DC.publisher" content="Metatags.org Directory">

 
Element Name: Contributor
Label: Contributor
Definition: An entity responsible for making contributions to the content of the resource.
Comment: Examples of Contributor include a person, an organization, or a service. Typically, the name of a Contributor should be used to indicate the entity.


<meta name="DC.contributor" content="DCMI Dublin Core Metadata Initiative">

 
Element Name: Date
Label: Date
Definition: A date of an event in the lifecycle of the resource.
Comment: Typically, Date will be associated with the creation or availability of the resource. Recommended best practice for encoding the date value is defined in a profile of ISO 8601 [W3CDTF] and includes (among others) dates of the form YYYY-MM-DD.


<meta name="DC.date" scheme="W3CDTF" content="2011-06-26">

 
Element Name: Type
Label: Resource Type
Definition: The nature or genre of the content of the resource.
Comment: Type includes terms describing general categories, functions, genres, or aggregation levels for content. Recommended best practice is to select a value from a controlled vocabulary (for example, the DCMI Type Vocabulary [DCT1]). To describe the physical or digital manifestation of the resource, use the FORMAT element.

<meta name="DC.type" scheme="DCMIType" content="Text">

 
Element Name: Format
Label: Format
Definition: The physical or digital manifestation of the resource.
Comment: Typically, Format may include the media-type or dimensions of the resource. Format may be used to identify the software, hardware, or other equipment needed to display or operate the resource. Examples of dimensions include size and duration. Recommended best practice is to select a value from a controlled vocabulary (for example, the list of Internet Media Types [MIME] defining computer media formats).


<meta name="DC.format" scheme="IMT" content="text/html">

 
Element Name: Identifier
Label: Resource 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 or number conforming to a formal identification system. Formal identification systems include but are not limited to the Uniform Resource Identifier (URI) (including the Uniform Resource Locator (URL)), the Digital Object Identifier (DOI) and the International Standard Book Number (ISBN).

<meta name="DC.identifier" content="/meta-tags/dublin/">

 
Element Name: Source
Label: Source
Definition: A Reference to a resource from which the present resource is derived.
Comment: The present resource may be derived from the Source resource in whole or in part. Recommended best practice is to identify the referenced resource by means of a string or number conforming to a formal identification system.

<meta name="DC.source" content="/meta-tags/">

 
Element Name: Language
Label: Language
Definition: A language of the intellectual content of the resource.
Comment: Recommended best practice is to use RFC 3066 [RFC3066] which, in conjunction with ISO639 [ISO639]), defines two and three letter primary language tags with optional subtags. Examples include “en” or “eng” for English, “akk” for Akkadian”, and “en-GB” for English used in the United Kingdom.

<meta name="DC.language" scheme="RFC1766" content="en">

 
Element Name: Relation
Label: Relation
Definition: A reference to a related resource.
Comment: Recommended best practice is to identify the referenced resource by means of a string or number conforming to a formal identification system.

<meta name="DC.relation" content="/meta-tags/">

 
Element Name: Coverage
Label: Coverage
Definition: The extent or scope of the content of the resource.
Comment: Typically, Coverage will include spatial location (a place name or geographic coordinates), temporal period (a period label, date, or date range) or jurisdiction (such as a named administrative entity). Recommended best practice is to select a value from a controlled vocabulary (for example, the Thesaurus of Geographic Names [TGN]) and to use, where appropriate, named places or time periods in preference to numeric identifiers such as sets of coordinates or date ranges.

<meta name="DC.coverage" content="World">

 
Element Name: Rights
Label: Rights Management
Definition: Information about rights held in and over the resource.
Comment: Typically, Rights will contain a rights management statement for the resource, or reference a service providing such information. Rights information often encompasses Intellectual Property Rights (IPR), Copyright, and various Property Rights. If the Rights element is absent, no assumptions may be made about any rights held in or over the resource.

<meta name="DC.rights" content="/legal/terms-of-use.htm">

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