Jäschke, Robert ; Hotho, Andreas ; Schmitz, Christoph ; Ganter, Bernhard ; Stumme, Gerd: Discovering Shared Conceptualizations in Folksonomies. In: Journal of Web Semantics, 6 (2008), Nr. 1, S. 38-53

Jäschke, Robert ; Krause, Beate ; Hotho, Andreas ; Stumme, Gerd: Logsonomy -- A Search Engine Folksonomy. In: Proceedings of the Second International Conference on Weblogs and Social Media(ICWSM 2008) : AAAI Press, 2008

Krause, Beate ; Schmitz, Christoph ; Hotho, Andreas ; Stumme, Gerd: The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems. In: Proc. of the Fourth International Workshop on Adversarial Information Retrieval on the Web, 2008

Cattuto, Ciro ; Schmitz, Christoph ; Baldassarri, Andrea ; Servedio, Vito D. P. ; Loreto, Vittorio ; Hotho, Andreas ; Grahl, Miranda ; Stumme, Gerd: Network Properties of Folksonomies. In: AI Communications Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering'', 20 (2007), Nr. 4, S. 245-262

Grahl, Miranda ; Hotho, Andreas ; Stumme, Gerd ; Hinneburg, Alexander (Bearb.): Conceptual Clustering of Social Bookmark Sites. In: Workshop Proceedings of Lernen -- Wissensentdeckung -- Adaptivität (LWA 2007) : Martin-Luther-Universität Halle-Wittenberg, 2007. - ISBN 978-3-86010-907-6, S. 50-54

Grahl, Miranda ; Hotho, Andreas ; Stumme, Gerd: Conceptual Clustering of Social Bookmarking Sites. In: 7th International Conference on Knowledge Management (I-KNOW '07). Graz, Austria : Know-Center, 2007, S. 356-364

Jäschke, Robert ; Marinho, Leandro Balby ; Hotho, Andreas ; Schmidt-Thieme, Lars ; Stumme, Gerd ; Kok, Joost N. (Bearb.) ; Koronacki, Jacek (Bearb.) ; de Mántaras, Ramon López (Bearb.) ; Matwin, Stan (Bearb.) ; Mladenic, Dunja (Bearb.) ; Skowron, Andrzej (Bearb.): Tag Recommendations in Folksonomies. 4702. In: Knowledge Discovery in Databases: PKDD 2007, 11th European Conference on Principles and Practice of Knowledge Discovery in Databases. Berlin, Heidelberg : Springer, 2007 (Lecture Notes in Computer Science). - ISBN 978-3-540-74975-2, S. 506-514

Jäschke, Robert ; Hotho, Andreas ; Schmitz, Christoph ; Ganter, Bernhard ; Stumme, Gerd: TRIAS - An Algorithm for Mining Iceberg Tri-Lattices. In: Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 06). Hong Kong : IEEE Computer Society, 2006. - ISBN 0-7695-2701-9, S. 907-911