Illig, Jens, Hotho, Andreas, Jäschke, Robert and Stumme, Gerd. "A Comparison of content-based Tag Recommendations in Folksonomy Systems." Paper presented at the meeting of the Postproceedings of the International Conference on Knowledge Processing in Practice (KPP2007), to appear.

Hotho, Andreas, Jäschke, Robert, Benz, Dominik, Grahl, Miranda, Krause, Beate, Schmitz, Christoph and Stumme, Gerd. "Social Bookmarking am Beispiel BibSonomy." In Social Semantic Web , edited by Andreas Blumauer and Tassilo Pellegrini , 363--391. Berlin, Heidelberg: Springer, 2009.

Markines, Benjamin, Cattuto, Ciro, Menczer, Filippo, Benz, Dominik, Hotho, Andreas and Stumme, Gerd. "Evaluating Similarity Measures for Emergent Semantics of Social Tagging." Paper presented at the meeting of the 18th International World Wide Web Conference, 2009.

Proceedings of the Dagstuhl Seminar on Social Web Communities. Edited by Harith Alani, Steffen Staab and Gerd Stumme. : Schloss Dagstuhl, 2008.

Benz, Dominik, Grobelnik, Marko, Hotho, Andreas, Jäschke, Robert, Mladenic, Dunja, Servedio, Vito D. P., Sizov, Sergej and Szomszor, Martin. "Analyzing Tag Semantics Across Collaborative Tagging Systems." Paper presented at the meeting of the Proceedings of the Dagstuhl Seminar on Social Web Communities, 2008.

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

Cattuto, Ciro, Benz, Dominik, Hotho, Andreas and Stumme, Gerd. "Semantic Grounding of Tag Relatedness in Social Bookmarking Systems." Paper presented at the meeting of the The Semantic Web -- ISWC 2008, Proc.Intl. Semantic Web Conference 2008, Heidelberg, 2008.

Jäschke, Robert, Krause, Beate, Hotho, Andreas and Stumme, Gerd. "Logsonomy -- A Search Engine Folksonomy." Paper presented at the meeting of the Proceedings of the Second International Conference on Weblogs and Social Media(ICWSM 2008), 2008.

Krause, Beate, Hotho, Andreas and Stumme, Gerd. "A Comparison of Social Bookmarking with Traditional Search." Paper presented at the meeting of the 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, 2008.

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

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

Benz, Dominik and Hotho, Andreas. "Position Paper: Ontology Learning from Folksonomies." Paper presented at the meeting of the Workshop Proceedings of Lernen - Wissensentdeckung - Adaptivität (LWA 2007), 2007.

Cattuto, Ciro, Schmitz, Christoph, Baldassarri, Andrea, Servedio, Vito D. P., Loreto, Vittorio, Hotho, Andreas, Grahl, Miranda and Stumme, Gerd. "Network Properties of Folksonomies." AI Communications Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering'' 20 , no. 4 (2007): 245-262.

Grahl, Miranda, Hotho, Andreas and Stumme, Gerd. "Conceptual Clustering of Social Bookmarking Sites." Paper presented at the meeting of the 7th International Conference on Knowledge Management (I-KNOW '07), Graz, Austria, 2007.

Jäschke, Robert, Grahl, Miranda, Hotho, Andreas, Krause, Beate, Schmitz, Christoph and Stumme, Gerd. "Organizing Publications and Bookmarks in BibSonomy." Paper presented at the meeting of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at WWW 2007, Banff, Canada, 2007.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "BibSonomy: A Social Bookmark and Publication Sharing System." Paper presented at the meeting of the Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, Aalborg, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Das Entstehen von Semantik in BibSonomy." Paper presented at the meeting of the Social Software in der Wertschöpfung, Baden-Baden, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Emergent Semantics in BibSonomy." Paper presented at the meeting of the Informatik 2006 -- Informatik für Menschen. Band 2, Bonn, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Trend Detection in Folksonomies." Paper presented at the meeting of the Proc. First International Conference on Semantics And Digital Media Technology (SAMT) , Heidelberg, 2006.