1 Demystifying metadata Ann Chapman UKOLN University of Bath UKOLN is funded by Resource: The Council for Museums, Archives and Libraries, the Joint Information Systems Committee (JISC) of the Higher Education Funding Councils, as well as by project funding from the JISC and the European Union.
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1 Demystifying metadata Ann Chapman UKOLN University of Bath UKOLN is funded by Resource: The Council for Museums, Archives and Libraries, the Joint Information.
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Demystifying metadata
Ann Chapman
UKOLN
University of Bath
UKOLN is funded by Resource: The Council for Museums, Archives and Libraries, the Joint Information Systems Committee (JISC) of the Higher Education Funding Councils, as well as by project funding from the JISC and the European Union. UKOLN also receives support from the University of Bath where it is based.
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What is metadata?
Structured data about resources• Library catalogues• Abstracting and indexing services• Archival finding aids• Museum documentation• Community information
Carriers: MARC, HTML, SGML, XML
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Markup languages
SGML - Standard Generalised Markup Language
- controls document formatting for publication
XML - Extensible Markup Language
- “next generation” SGML
HTML - Hyper Text Markup Language
- SGML subset, controls display of web pages
Tags (usually paired) structure text into elementse.g. headings, paragraphs, lists, etc.<title> </title> <p> </p> <li> </li>
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MARC - structure
• Structured format
• Numeric and alpha tags
• Fixed fields
• Leader, 001-008, 010-099
• Variable fields
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MARC – elements
1XX Main entry2XX Title, SR, edition, publication3XX Physical description4XX Series5XX Notes6XX Subject access7XX Added entries8XX Added entries for series9XX References and local fields
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ONIX - structure
• Carrier - XML • Primary use
• publishers to Internet booksellers• rich product information
In use • first version 1999• current version Release 2.0 (2001)