I've noticed that as SO has got bigger, some guidelines have introduced for tagging, taking it from a completely uncontrolled 'folksonomy' and moving it towards a controlled vocabulary.
Is there a plan for managing the tags as they grow?
Failing that, what strategies should be considered?
In a bid for an informed discussion, I've attached a good (free) book on controlled vocabularies. Other resources on tagging for very large collections like SO, would be appreciated and upvoted!
Just to let you know that Patricia Harpring,s book, "Introduction to Controlled Vocabularies, Terminology for Art, Architecture, and Other Cultural Works" is now available on the Web at http://www.getty.edu/research/conducting_research/standards/intro_controlled_vocab/.
Each chapter is available as HTML and also as a printer-friendly PDF.