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, 20 (2007), Nr. 4, S. 245 - 262

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, Warsaw, Poland, September 17-21, 2007, Proceedings : Springer, 2007 (Lecture Notes in Computer Science). - ISBN 978-3-540-74975-2, S. 506-514

Begelman, G. ; Keller, P. ; Smadja, F.: {Automated Tag Clustering: Improving search and exploration in the tag space}. In: WWW2006, May (2006), S. 22--26

Heymann, Paul ; Garcia-Molina, Hector ; Computer Science Department (Hrsg.): Collaborative Creation of Communal Hierarchical Taxonomies in Social Tagging Systems. 2006-10, 2006

Hotho, Andreas ; Jäschke, Robert ; Schmitz, Christoph ; Stumme, Gerd: Information Retrieval in Folksonomies: Search and Ranking. 4011. In: Proceedings of the 3rd European Semantic Web Conference . Budva, Montenegro : Springer, 2006 (LNCS). - ISBN 3-540-34544-2, S. 411-426

Jäschke, Robert ; Hotho, Andreas ; Schmitz, Christoph ; Ganter, Bernhard ; Stumme, Gerd: TRIAS - An Algorithm for Mining Iceberg Tri-Lattices. In: Proc. 6th ICDM conference. Hong Kong, 2006. - ISBN 0-7695-2701-9

Schmitz, Christoph ; Hotho, Andreas ; Jäschke, Robert ; Stumme, Gerd ; Batagelj, V. (Bearb.) ; Bock, H.-H. (Bearb.) ; Ferligoj, A. (Bearb.) ; Žiberna, A. (Bearb.): Mining Association Rules in Folksonomies. In: Data Science and Classification (Proc. IFCS 2006 Conference). Berlin/Heidelberg : Springer, 2006 (Studies in Classification, Data Analysis, and Knowledge Organization). - Ljubljana. - ISBN 978-3-540-34415-5, S. 261-270

Xu, Zhichen ; Fu, Yun ; Mao, Jianchang ; Su, Difu: Towards the Semantic Web: Collaborative Tag Suggestions. In: Proceedings of the Collaborative Web Tagging Workshop at the WWW 2006, 2006

Golder, Scott ; Huberman, Bernardo A.: The Structure of Collaborative Tagging Systems, 2005

Mika, Peter: Ontologies Are Us: A Unified Model of Social Networks and Semantics. In: International Semantic Web Conference : Springer, 2005 (LNCS), S. 522-536