Zusammenfassung
strings (tags) of their choosing|have recently emerged as a powerful way to label and organize
large collections of data. During our recent investigation into these types of systems, we discovered
a simple but remarkably e®ective algorithm for converting a large corpus of tags annotating objects
in a tagging system into a navigable hierarchical taxonomy of tags. We ¯rst discuss the algorithm
and then present a preliminary model to explain why it is so e®ective in these types of systems.
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