Dublin Core - Metadata

Overview

• The Dublin Core Metadata Initiative (DCMI) is developing a structured set of (currently) 15 elements ("metadata") for indentifying the characteristics of resources stored electronically, whether in databases, on the Internet, or on removable media.

Elements and Attributes

• The elements are: (information from http://dublincore.org/documents/dces/)
  • Title
  • Creator
  • Subject
  • Description
  • Publisher
  • Contributor
  • Date
  • Type - The nature or genre of the content of the resource.
  • Format - The physical or digital manifestation of the resource.
  • Identifier - An unambiguous, unique identifier from some standard such as the International Standard Book Number (ISBN).
  • Source - Where the resource is derived from, usually identified by numbers in a formal identificiation system.
  • Language
  • Element: Relation - 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.
• Each element has several attributes from the following set: (information from http://dublincore.org/documents/dces/)
  • Name - The label of the data element
  • Identifier - The unique identifier of the data element
  • Version - The version of the data element
  • Registration Authority - The entity authorised to register the data element
  • Language - The language in which the data element is specified
  • Definition - A description of the concept and essential nature of the data element
  • Obligation - Indicates if the data element is required or when it is required.
  • Datatype -The type of data represented in the value of the data element
  • Maximum Occurrence - Indicates any limit to how many times the data element can be repeated for the specific resource.
  • Comment - Description of how the data element may be used.

Organization

• DCMI is a not-for-profit organization that involves many varied parties concerned with the management of electronically-stored information.
• These include the OCLC, libraries, goverment and private information agencies, internet/web organizations, and telecommunications organizations and firms.

Web Site

• Dublin Core Metadata Initiative
  • http://dublincore.org/

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