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Jäschke, R., Hotho, A., Mitzlaff, F. & Stumme, G. (2012). Challenges in Tag Recommendations for Collaborative Tagging Systems. In J. J. Pazos Arias, A. Fernández Vilas & R. P. Díaz Redondo (ed.), Recommender Systems for the Social Web , Vol. 32 (pp. 65--87) . Springer . ISBN: 978-3-642-25694-3.

Krause, B., Hotho, A. & Stumme, G. (2008). A Comparison of Social Bookmarking with Traditional Search. In C. Macdonald, I. Ounis, V. Plachouras, I. Ruthven & R. W. White (eds.), Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008 (p./pp. 101-113), Heidelberg: Springer.

Krause, B., Jäschke, R., Hotho, A. & Stumme, G. (2008). Logsonomy - Social Information Retrieval with Logdata. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia (p./pp. 157--166), New York, NY, USA: ACM. ISBN: 978-1-59593-985-2

Krause, B., Schmitz, C., Hotho, A. & Stumme, G. (2008). The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems. Proc. of the Fourth International Workshop on Adversarial Information Retrieval on the Web, .

Grahl, M., Hotho, A. & Stumme, G. (2007). Conceptual Clustering of Social Bookmark Sites. In A. Hinneburg (ed.), Workshop Proceedings of Lernen -- Wissensentdeckung -- Adaptivität (LWA 2007) (p./pp. 50-54), September, : Martin-Luther-Universität Halle-Wittenberg. ISBN: 978-3-86010-907-6

Grahl, M., Hotho, A. & Stumme, G. (2007). Conceptual Clustering of Social Bookmarking Sites. 7th International Conference on Knowledge Management (I-KNOW '07) (p./pp. 356-364), September, Graz, Austria: Know-Center.

Jaeschke, R., Marinho, L., Hotho, A., Schmidt-Thieme, L. & Stumme, G. (2007). Tag Recommendations in Folksonomies. In A. Hinneburg (ed.), Workshop Proceedings of Lernen - Wissensentdeckung - Adaptivität (LWA 2007) (p./pp. 13-20), September, : Martin-Luther-Universität Halle-Wittenberg. ISBN: 978-3-86010-907-6

Jäschke, R., Hotho, A., Schmitz, C. & Stumme, G. (2007). Analysis of the Publication Sharing Behaviour in BibSonomy. In U. Priss, S. Polovina & R. Hill (eds.), Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007) (p./pp. 283--295), July, Berlin, Heidelberg: Springer-Verlag. ISBN: 3-540-73680-8

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). BibSonomy: A Social Bookmark and Publication Sharing System. In A. de Moor, S. Polovina & H. Delugach (eds.), Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures (p./pp. 87-102), Aalborg: Aalborg Universitetsforlag. ISBN: 87-7307-769-0