Krause, Beate and Hotho, Andreas and Stumme, Gerd. A Comparison of Social Bookmarking with Traditional Search. Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008. editor(s) Macdonald, Craig and Ounis, Iadh and Plachouras, Vassilis and Ruthven, Ian and White, Ryen W.. LNAI, (4956) 101-113, Springer, Heidelberg, Year 2008.

Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd. BibSonomy: A Social Bookmark and Publication Sharing System. Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures. editor(s) de Moor, Aldo and Polovina, Simon and Delugach, Harry. 87-102, Aalborg Universitetsforlag, Aalborg, Year 2006.

Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd. Mining Association Rules in Folksonomies. Data Science and Classification. Proceedings of the 10th IFCS Conf.. editor(s) Batagelj, V. and Bock, H.-H. and Ferligoj, A. and Žiberna, A.. Studies in Classification, Data Analysis, and Knowledge Organization, 261--270, Springer, Heidelberg, Year 2006.

Schmitz, Christoph and Grahl, Miranda and Hotho, Andreas and Stumme, Gerd and Catutto, Ciro and Baldassarri, Andrea and Loreto, Vittorio and Servedio, Vito D. P.. Network Properties of Folksonomies. Proc. WWW2007 Workshop ``Tagging and Metadata for Social Information Organization''. Banff, Year 2007.

Jaeschke, Robert and Marinho, Leandro and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd. Tag Recommendations in Folksonomies. Workshop Proceedings of Lernen - Wissensentdeckung - Adaptivität (LWA 2007). editor(s) Hinneburg, Alexander. 13-20, Martin-Luther-Universität Halle-Wittenberg, Year 2007.

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

Cattuto, Ciro and Benz, Dominik and Hotho, Andreas and Stumme, Gerd. Semantic Analysis of Tag Similarity Measures in Collaborative Tagging Systems. Proceedings of the 3rd Workshop on Ontology Learning and Population (OLP3). Patras, Greece, Year 2008.

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

Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd. Information Retrieval in Folksonomies: Search and Ranking. Proceedings of the 3rd European Semantic Web Conference. Lecture Notes in Computer Science, 411-426, Springer, Year 2006.

Golder, Scott and Huberman, Bernardo A.. The Structure of Collaborative Tagging Systems. Year 2005.

Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd. BibSonomy: A Social Bookmark and Publication Sharing System. Proc. of the ICCS 2006 Conceptual Structures Tool Interoperability
Workshop. Year 2006.

Lambiotte, R. and Ausloos, M.. Collaborative tagging as a tripartite network. Year 2005.

Krause, Beate and Jäschke, Robert and Hotho, Andreas and Stumme, Gerd. Logsonomy - Social Information Retrieval with Logdata. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia. 157--166, ACM, New York, NY, USA, Year 2008.

Benz, Dominik and Hotho, Andreas and Jäschke, Robert and Krause, Beate and Stumme, Gerd. Query Logs as Folksonomies. In Datenbank-Spektrum, (10) 1: 15--24, Year 2010.

Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd. A Comparison of Content-Based Tag Recommendations in Folksonomy Systems. Knowledge Processing and Data Analysis. editor(s) Wolff, Karl Erich and Palchunov, Dmitry E. and Zagoruiko, Nikolay G. and Andelfinger, Urs. Lecture Notes in Computer Science, (6581) 136--149, Springer, Berlin/Heidelberg, Year 2011.

Jäschke, Robert and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd. Challenges in Tag Recommendations for Collaborative Tagging Systems. Recommender Systems for the Social Web. editor(s) Pazos Arias, José J. and Fernández Vilas, Ana and Díaz Redondo, Rebeca P.. Intelligent Systems Reference Library, (32) 65--87, Springer, Berlin/Heidelberg, Year 2012.

Balby Marinho, L. and Hotho, A. and Jäschke, R. and Nanopoulos, A. and Rendle, S. and Schmidt-Thieme, L. and Stumme, G. and Symeonidis, P.. Recommender Systems for Social Tagging Systems. SpringerBriefs in Electrical and Computer Engineering, Springer, Year 2012.

Mueller, Juergen and Doerfel, Stephan and Becker, Martin and Hotho, Andreas and Stumme, Gerd. Tag Recommendations for SensorFolkSonomies. Recommender Systems and the Social Web Workshop at 7th ACM Conference on Recommender Systems, RecSys 2013, Hong Kong, China -- October 12-16, 2013. Proceedings. New York, NY, USA, ACM, Year 2013.

Landia, Nikolas and Doerfel, Stephan and Jäschke, Robert and Anand, Sarabjot Singh and Hotho, Andreas and Griffiths, Nathan. Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations. In cs.IR, (1310.1498) Year 2013.

Doerfel, Stephan and Jäschke, Robert. An analysis of tag-recommender evaluation procedures. Proceedings of the 7th ACM conference on Recommender systems. RecSys '13, 343--346, ACM, New York, NY, USA, Year 2013.