1. Metadata

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

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5. Metadata in EPUB
• Available in 3 places
– The navigation (ncx) file
– The packaging file (opf) file
– The head element of an html/XHTML file

6. Metadata in HTML File

7. Metadata in ncx

8. Metadata in opf
• Minimum requirements
– Unique ID (like an ISBN)
– Title
– Language

9. 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”)

10. OPF metadata with Author

11. OPF of collection

12. 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>