K├Ârner, C., Kern, R., Grahsl, H.-P. & Strohmaier, M. (2010). Of categorizers and describers: an evaluation of quantitative measures for tagging motivation. HT '10: Proceedings of the 21st ACM Conference on Hypertext and Hypermedia (p./pp. 157--166), New York, NY, USA: ACM. ISBN: 978-1-4503-0041-4