Illig, J.; Hotho, A.; Jäschke, R. & Stumme, G. (to appear), A Comparison of content-based Tag Recommendations in Folksonomy Systems, in 'Postproceedings of the International Conference on Knowledge Processing in Practice (KPP2007)' , Springer, .

Benz, D.; Krause, B.; Kumar, G. P.; Hotho, A. & Stumme, G. (2009), Characterizing Semantic Relatedness of Search Query Terms, in 'Proceedings of the 1st Workshop on Explorative Analytics of Information Networks (EIN2009)' .

Benz, D.; Eisterlehner, F.; Hotho, A.; Jäschke, R.; Krause, B. & Stumme, G. (2009), Managing publications and bookmarks with BibSonomy, in Ciro Cattuto; Giancarlo Ruffo & Filippo Menczer, ed., 'HT '09: Proceedings of the 20th ACM Conference on Hypertext and Hypermedia' , ACM, New York, NY, USA , pp. 323--324 .

Hotho, A.; Jäschke, R.; Benz, D.; Grahl, M.; Krause, B.; Schmitz, C. & Stumme, G. (2009), Social Bookmarking am Beispiel BibSonomy, in Andreas Blumauer & Tassilo Pellegrini, ed., 'Social Semantic Web' , Springer, Berlin, Heidelberg , pp. 363--391 .

Markines, B.; Cattuto, C.; Menczer, F.; Benz, D.; Hotho, A. & Stumme, G. (2009), Evaluating Similarity Measures for Emergent Semantics of Social Tagging, in '18th International World Wide Web Conference' , pp. 641--641 .