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Practical Metadata: Where do I start for a digital project?
Jill Strass
Digital Humanities WorkshopCarleton College
September 22, 2012
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Metadata is information about Data
“Descriptive metadata helps users find and obtain objects, distinguish one object or group of objects from one another, and discover the subject or contents.” – NISO Framework of Guidance for Building Good Digital Collections
If you do your own collection, this is the primary type of metadata you’ll create.
http://www.niso.org/publications/rp/framework3.pdf
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Wha
t’s
in th
ere?
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I see metadata everywhere…
Bibliographic citation example for an electronic book from a library database:
Kornblum, William. At Sea in the City. Chapel Hill: Algonquin Books,
2002. NetLibrary. Web. 23 June 2006.
Author Title Year of Pub.
Note that metadata is implied by your data.
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Bibliographic Citation Example
Author
Title
Publication Place
Publisher
Year Of Publication
Source - NetLibrary
Where found - Web
When accessed – 23 June 2006
MLA
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Now we’ll do a “crosswalk”
• A crosswalk is a matrix that allows you to look at the data fields you have and match them as best you can to an existing standard.
• We are going to see how MLA fits into the Dublin Core of 15 basic terms.
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MLA vs Dublin Core
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Inventing Metadata Fields
• Metadata concepts for a project rarely match perfectly to a standard.
• Some standards allow you to combine concepts – a metadata mashup.
• Sometimes you need to add special fields that are
outside the standard.
• User need is more important than a standard.
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What is a Data Dictionary?
• A Data Dictionary lists terms used, reasons for use, samples and context for use.
• Shared document that shows all involved parties the data fields.
• Reminds project participants of decisions made.
• Makes consistency in data entry possible.
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Manitou Messenger Data Dictionary
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Selecting Metadata Concepts Summary
• Find a role model• Construct a Crosswalk from the role model to the data in
use• Add in a few field concepts that the model doesn’t have• The resulting list of terms is the data dictionary.
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Metadata role model: Claremont College
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Note differences between our model and our collection
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Common Metadata Standards in the Humanities
• Dublin Core (Libraries and Museums)– http://www.bridges.state.mn.us/dcore.html
• Visual Resources Association (VRA and Museums)– http://www.vraweb.org/projects/vracore4/
• EAD aka Encoded Archival Description (Archives and Museums)
• MODS aka Metadata Object Description Schema (Library of Congress)
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Tracking Rights in Metadata
• Consider your copyright message to users• Consider what permissions you’ve obtained and
how/if you wish to share them with your users• Consider where this information fits in with your
metadata scheme• Note that in Dublin Core, there is a Rights
concept
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Next Steps
• Consider your audience• Find where you fit with other
collections• Find a role-model collection• Talk to your campus resources
about metadata
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Data Curation and Content Selection
• Data Curation is in its infancy: processes and standards are being formed now
• Your campus may have a digital policy already in place, like the University of Utah– http://www.lib.utah.edu/collections/digital/
digital-preservation.php• For more info on Digital Curation
– http://digital-scholarship.org/dcrg/dcrg.htm
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Project Afterlife
• Exit Strategy– Do you want your collection to live on?– Migration– Control over your content
• Creative Commons License– Define how you want others to use or re-use your
work– http://creativecommons.org/choose/
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Digital Daze
We’ve thrown a lot of info at you; this presentation is available at Slideshare.com for future reference….
Jill Strass [email protected]