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Metadata for Epub

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Metadata for Epub

  1. 1. Metadata
  2. 2. Metadata• Literally “data about data”• 2 familiar metadata systems – Dewey Decimal System – Library of Congress• Epub uses this to provide info about the content
  3. 3. $$$$
  4. 4. Metadata in EPUB• Available in 3 places – The navigation (ncx) file – The packaging file (opf) file – The head element of an html/XHTML file
  5. 5. Metadata in HTML File
  6. 6. Metadata in ncx
  7. 7. Metadata in opf• Minimum requirements – Unique ID (like an ISBN) – Title – Language
  8. 8. Metadata• Ebooks should also have: – Date (dc: date opf: event=“original publication” & dc: date opf: event=“ops-publication”) – Publisher (dc:publisher) – Rights (dc:rights) – Creator (dc:creator) – Contributor (dc:contributor)• Two attributes should also be used for author & contributor – opf:role (opf:role=“aut”) – opf:file-as (opf:file-as=“Austen, Jane”)
  9. 9. OPF metadata with Author
  10. 10. OPF of collection
  11. 11. Metadata in InDesign• InDesign provides entries for: – Identifier (dc: identifier) required for validation- needs to match toc.ncx – author (dc:creator) – Title (dc:title) – Description (dc:description) – Keywords (dc:subject) – Copyright (dc:rights) – Language (<dc:language>en</dc:language>

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