Dublin Core Qualifiers

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Dublin Core Qualifiers

• Presentation By
• G. Padmavathy
• Trainee (Aug 2002-Jan 2004)
• NCSI

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Contents

• Dublin Core Metadata Initiative
• Dublin Core Qualifiers
• Dumb-Down Principle
• Classes of Qualifiers
• Properties of Qualifiers
• Summary of Qualifiers

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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.

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Dublin Core Qualifiers

• Dublin Core Qualifiers are used for the
  qualification of Dublin Core Metadata Elements
  (DCMES).
• These were identified by element specific working
  groups of DCMI.
• These were judged by the DCMI Usage Committee.

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Dumb-Down Principle

• The guiding principle for the identification of
  qualifiers is known as the Dumb-Down Principle.
• It states that a client should be able to ignore
  any qualifier and use the description as if it
  were unqualified.

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Classes of Qualifiers

• Element Refinement
• These qualifiers make the meaning of an element
  narrower or more specific. A refined element
  shares the meaning of the unqualified element but
  with a more restricted scope.
• Eg Core element Title
• Element Refinement Alternative

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Classes of Qualifiers

• Encoding Scheme
• These qualifiers identify schemes that aid in
  the interpretation of an element value. These
  include controlled vocabularies and formal
  notations.
• Eg Core element Subject
• Encoding Scheme MeSH, DDC etc

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Properties of DCQ

• Name Unique token assigned to qualifier
• Label Human readable label
• Definition Statement representing the essential
  concept of a qualifier
• Comment Additional information
• See Also Link to more information if available

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Summary of Qualifiers
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For more details please visit

• http//dublincore.org/documents/dcmes-qualifiers

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Thank You