Introduction to metadata, part 2

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Transcript of Introduction to metadata, part 2

February 25, 2013Richard Sapon-White

Source of metadata (external vs. internal) Method of metadata creation

◦ Automatic vs. human For humans: Expert or non-expert creator

Static vs. Dynamic Structure Semantics Level of description

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Internal: file name, file format, title assigned by author/creator

External: URL, changes tracked, rights and legal information

Is the metadata intrinsic to the resource or does it come from outside of the resource?

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Generated by automation: keyword indexes, transaction logs

Generated by humans: ◦ By experts: catalog records◦ By non-experts: folksonomy (tags), keywords

assigned by thesis authors, FAST

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Static: never changes◦ File size◦ How the object was created

Dynamic: changes, modifications◦ Rights information◦ User transaction logs

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Describes the internal organization of a resource

Primarily of importance for machine processing, not for users

Examples:◦ Structured: MARC, TEI, EAD◦ Unstructured: note fields, free-text fields

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Controlled metadata, such as controlled vocabularies, and the rules that guide content◦ LCSH, VRA, AACR2, DACS

Uncontrolled metadata, such as tags, free-text notes

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Does the data relate to an individual resource or a collection of resources?

Item level description or Collection level description

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See handoutFirst 2 columns – in-class

http://nwda.orbiscascade.org/ark:/80444/xv71365/op=fstyle.aspx?t=k&q=poland

http://ir.library.oregonstate.edu/xmlui/handle/1957/28339

Last 2 columns – homework (to be done individually)Due March 4 (next Monday). Late homework will be

docked one point for each day late. If you are ill, please send me an email.

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