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The folksonomy tag cloud: when is it useful?

Department of Engineering, The Australian National University, Canberra, ACT 0200, Australia, james.sinclair{at}anu.edu.au

Michael Cardew-Hall

Department of Engineering, The Australian National University, Canberra, ACT 0200, Australia

The weighted list, known popularly as a `tag cloud', has appeared on many popular folksonomy-based web-sites. Flickr, Delicious, Technorati and many others have all featured a tag cloud at some point in their history. However, it is unclear whether the tag cloud is actually useful as an aid to finding information. We conducted an experiment, giving participants the option of using a tag cloud or a traditional search interface to answer various questions. We found that where the information-seeking task required specific information, participants preferred the search interface. Conversely, where the information-seeking task was more general, participants preferred the tag cloud. While the tag cloud is not without value, it is not sufficient as the sole means of navigation for a folksonomy-based dataset.

Key Words: collaborative tagging • folksonomies • tag clouds • user interfaces • information retrieval

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