Mueller, J., Doerfel, S., Becker, M., Hotho, A. & Stumme, G. (2013). 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 (p./pp. New York, NY, USA),: ACM.

Balby Marinho, L., Hotho, A., Jäschke, R., Nanopoulos, A., Rendle, S., Schmidt-Thieme, L., Stumme, G.,, Symeonidis, P. (2012).Recommender Systems for Social Tagging Systems. Springer.ISBN: 978-1-4614-1893-1 

Jäschke, R., Hotho, A., Mitzlaff, F. & Stumme, G. (2012). Challenges in Tag Recommendations for Collaborative Tagging Systems. In J. J. Pazos Arias, A. Fernández Vilas & R. P. Díaz Redondo (ed.),Recommender Systems for the Social Web, Vol. 32 (pp. 65--87). Springer. ISBN: 978-3-642-25694-3.

Illig, J., Hotho, A., Jäschke, R. & Stumme, G. (2011). A Comparison of Content-Based Tag Recommendations in Folksonomy Systems. In K. E. Wolff, D. E. Palchunov, N. G. Zagoruiko & U. Andelfinger (eds.), Knowledge Processing and Data Analysis (p./pp. 136--149),: Springer.ISBN: 978-3-642-22139-2 
, D., Hotho, A., Jäschke, R., Krause, B. & Stumme, G. (2010). Query Logs as Folksonomies. Datenbank-Spektrum, 10, 15--24. 

Cattuto, C., Benz, D., Hotho, A. & Stumme, G. (2008). Semantic Analysis of Tag Similarity Measures in Collaborative Tagging Systems. Proceedings of the 3rd Workshop on Ontology Learning and Population (OLP3), July, .

Jäschke, R., Krause, B., Hotho, A. & Stumme, G. (2008). Logsonomy -- A Search Engine Folksonomy. Proceedings of the Second International Conference on Weblogs and Social Media(ICWSM 2008),: AAAI Press.

Krause, B., Hotho, A. & Stumme, G. (2008). A Comparison of Social Bookmarking  with Traditional Search. In C. Macdonald, I. Ounis, V. Plachouras, I. Ruthven & R. W. White (eds.), Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008 (p./pp. 101-113),: Springer.

Krause, B., Jäschke, R., Hotho, A. & Stumme, G. (2008). Logsonomy - Social Information Retrieval with Logdata. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia (p./pp. 157--166),Pittsburgh, PA, USA: ACM.ISBN: 978-1-59593-985-2 

Krause, B., Schmitz, C., Hotho, A. & Stumme, G. (2008). The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems. Proc. of the Fourth International Workshop on  Adversarial Information Retrieval on the Web,.
, C., Schmitz, C., Baldassarri, A., Servedio, V. D. P., Loreto, V., Hotho, A., Grahl, M. & Stumme, G. (2007). Network Properties of Folksonomies. AI Communications Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering'', 20, 245-262. 

Grahl, M., Hotho, A. & Stumme, G. (2007). Conceptual Clustering of Social Bookmark Sites. In A. Hinneburg (eds.), Workshop Proceedings of Lernen -- Wissensentdeckung -- Adaptivität (LWA 2007) (p./pp. 50-54), September, : Martin-Luther-Universität Halle-Wittenberg.ISBN: 978-3-86010-907-6 

Grahl, M., Hotho, A. & Stumme, G. (2007). Conceptual Clustering of Social Bookmarking Sites. 7th International Conference on Knowledge Management (I-KNOW '07) (p./pp. 356-364), September, : Know-Center.

Jaeschke, R., Marinho, L., Hotho, A., Schmidt-Thieme, L. & Stumme, G. (2007). Tag Recommendations in Folksonomies. In A. Hinneburg (eds.), Workshop Proceedings of Lernen - Wissensentdeckung - Adaptivität (LWA 2007) (p./pp. 13-20), September, : Martin-Luther-Universität Halle-Wittenberg.ISBN: 978-3-86010-907-6 

Schmitz, C., Grahl, M., Hotho, A., Stumme, G., Catutto, C., Baldassarri, A., Loreto, V. & Servedio, V. D. P. (2007). Network Properties of Folksonomies. Proc. WWW2007 Workshop ``Tagging and Metadata for Social Information Organization'', May, .

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). BibSonomy: A Social Bookmark and Publication Sharing System. In A. de Moor, S. Polovina & H. Delugach (eds.), Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures (p./pp. 87-102),: Aalborg Universitetsforlag.ISBN: 87-7307-769-0 

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Emergent Semantics in BibSonomy. In C. Hochberger & R. Liskowsky (eds.), Informatik 2006 -- Informatik für Menschen. Band 2, October, : Gesellschaft für Informatik.

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Information Retrieval in Folksonomies: Search and Ranking. In Y. Sure & J. Domingue (eds.), The Semantic Web: Research and Applications (p./pp. 411-426), June, : Springer.

Schmitz, C., Hotho, A., Jäschke, R. & Stumme, G. (2006). Mining Association Rules in Folksonomies. In V. Batagelj, H.-H. Bock, A. Ferligoj & A. Žiberna (eds.), Data Science and Classification. Proceedings of the 10th IFCS Conf. (p./pp. 261--270), July, : Springer.

Schmitz, C., Hotho, A., Jäschke, R. & Stumme, G. (2006). Mining Association Rules in Folksonomies. In V. Batagelj, H.-H. Bock, A. Ferligoj & A.  Ziberna (eds.), Data Science and Classification: Proc. of the 10th IFCS Conf. (p./pp. 261--270),: Springer.