@article{HecknerNeubauerWolff2008, author = {Markus Heckner and Tanja Neubauer and Christian Wolff}, title = {Tree, funny, to-read, google: What are tags supposed to achieve?: A comparative analysis of user keywords for different digital resource types}, journal = {Proceedings of the 2008 ACM workshop on Search in social media (SSM '08), Napa Valley California, USA, 30 October 2008}, pages = {3 -- 10}, doi = {10.1145/1458583.1458589}, year = {2008}, }