Jäschke, R. & Rudolph, S. (2013). Attribute Exploration on the Web. In P. Cellier, F. Distel & B. Ganter (eds.), Contributions to the 11th International Conference on Formal Concept Analysis (p./pp. 19--34), May, .

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), New York, NY, USA: ACM. ISBN: 978-1-59593-985-2

Ducrou, J., Vormbrock, B. & Eklund, P. W. (2006). FCA-based Browsing and Searching of a Collection of Images. Proc. of the 14 th Int. Conference on Conceptual Structures, : Springer-Verlag.

(2006). FCA-based Browsing and Searching of a Collection of Images. In J. Ducrou, B. Vormbrock & P. W. Eklund (eds.), Proc. of the 14 th Int. Conference on Conceptual Structures, : Springer-Verlag.

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Information Retrieval in Folksonomies: Search and Ranking. Proceedings of the 3rd European Semantic Web Conference (p./pp. 411-426), : Springer.

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, Heidelberg: Springer.

Hotho, A., J�schke, 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, Heidelberg: Springer.

Cole, R. J., Eklund, P. W. & Stumme, G. (2003). Document Retrieval for Email Search and Discovery using Formal Concept Analysis. Journal of Applied Artificial Intelligence (AAI), 17, 257-280.

Ferber, R. (2003). Information Retrieval: Suchmodelle und Data-Mining-Verfahren für Textsammlungen und das Web. Heidelberg: dpunkt Verlag.

Hotho, A., Staab, S. & Stumme, G. (2003). Wordnet improves text document clustering. Proc. SIGIR Semantic Web Workshop, Toronto.

Sarwar, B. M., Karypis, G., Konstan, J. A. & Riedl, J. (2001). Item-based collaborative filtering recommendation algorithms.. WWW (p./pp. 285-295), .

Baeza-Yates, R. A., Ribeiro-Neto, B. A. (1999). Modern Information Retrieval. ACM Press / Addison-Wesley. ISBN: 0-201-39829-X

Stumme, G. (1999). Dual Retrieval in Conceptual Information Systems. In A. Buchmann (ed.), Datenbanksysteme in Büro, Technik und Wissenschaft. Proc. BTW'99 (p./pp. 328-342), Heidelberg.

Sparck-Jones, K. & Willett, P. (eds.) (1997). Readings in Information Retrieval. Morgan Kaufmann.

Carpineto, C. & Romano, G. (1996). A lattice conceptual clustering system and its application to browsing retrieval. Machine Learning, 24, 95--122.

Lang, K. (1995). NewsWeeder: learning to filter netnews. Proceedings of the 12th International Conference on Machine Learning (p./pp. 331--339), : Morgan Kaufmann publishers Inc.: San Mateo, CA, USA.

Voorhees, E. M. (1994). Query Expansion Using Lexical-Semantic Relations.. SIGIR (p./pp. 61-69), .

van Rijsbergen, C. J. (1979). Information retrieval. London: Butterworths.