So-called folksonomies present a huge problem, which is meaningfulness. For example, if I type ‘female’ in Flickr’s search box, I’m not expecting what I get, which is a page of female sparrows, blue tits and other bird-lover delights. Although, I see today that it is topped by ‘female genital mutilation,’ bearing in mind that the search results are ranked according to ‘relevance.’

http://www.flickr.com/search/?q=female

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