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Tagging: People-powered Metadata for the Social Web by Gene Smith

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Chapter 4. Tags, Metadata, and Classification Systems

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How tags function as metadata

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How to mix tags with controlled vocabularies, taxonomies, and facets

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Four features of folksonomies

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Different philosophies on tags as part of a metadata ecosystem

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You’ll be relieved to know that if you’re fatally bitten by a Gila monster while line dancing at a Six Flags, the World Health Organization’s International Classification of Diseases (ICD) has a code reserved for just such an event. It’s X20.81, and it breaks down like this:

  • External causes of morbidity and mortality (V01–Y98)

  • Accidents (V01–X59) ...

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