Angeletou, Sofia, Sabou, Marta and Motta, Enrico. "Semantically enriching folksonomies with FLOR." Paper presented at the meeting of the In Proc of the 5th ESWC. workshop: Collective Intelligence & the Semantic Web, 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.

Eda, Takeharu, Yoshikawa, Masatoshi, Uchiyama, Toshio and Uchiyama, Tadasu. "The Effectiveness of Latent Semantic Analysis for Building Up a Bottom-up Taxonomy from Folksonomy Tags.." World Wide Web 12 , no. 4 (2009): 421-440.

Marinho, Leandro Balby, Nanopoulos, Alexandros, Schmidt-Thieme, Lars, Jäschke, Robert, Hotho, Andreas, Stumme, Gerd and Symeonidis, Panagiotis. "Social Tagging Recommender Systems.." In Recommender Systems Handbook , edited by Francesco Ricci, Lior Rokach, Bracha Shapira and Paul B. Kantor , 615-644. : Springer, 2011.

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, 2008.

Kim, Hak Lae, Scerri, Simon, Breslin, John G., Decker, Stefan and Kim, Hong Gee. "The State of the Art in Tag Ontologies: A Semantic Model for Tagging and Folksonomies." Paper presented at the meeting of the Proceedings of the 2008 International Conference on Dublin Core and Metadata Applications, Berlin, Deutschland, 2008.

Rezel, R. and Liang, S.. "SWE-FE: Extending folksonomies to the Sensor Web." Paper presented at the meeting of the 2010 International Symposium on Collaborative Technologies and Systems (CTS), 2010.

Bogers, Toine. "Recommender Systems for Social Bookmarking." PhD diss., Tilburg University, 2009.

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 Knowledge Processing and Data Analysis, Berlin/Heidelberg, 2011.

Jäschke, Robert, Hotho, Andreas, Mitzlaff, Folke and Stumme, Gerd. "Challenges in Tag Recommendations for Collaborative Tagging Systems." In Recommender Systems for the Social Web , edited by José J. Pazos Arias, Ana Fernández Vilas and Rebeca P. Díaz Redondo , 65--87. Berlin/Heidelberg: Springer, 2012.

Balby Marinho, L., Hotho, A., Jäschke, R., Nanopoulos, A., Rendle, S., Schmidt-Thieme, L., Stumme, G. and Symeonidis, P.. Recommender Systems for Social Tagging Systems. : Springer, 2012.

Wetzker, Robert, Zimmermann, Carsten, Bauckhage, Christian and Albayrak, Sahin. "I tag, you tag: translating tags for advanced user models." Paper presented at the meeting of the Proceedings of the third ACM international conference on Web search and data mining, New York, NY, USA, 2010.

Landia, Nikolas, Anand, Sarabjot Singh, Hotho, Andreas, Jäschke, Robert, Doerfel, Stephan and Mitzlaff, Folke. "Extending FolkRank with content data." Paper presented at the meeting of the Proceedings of the 4th ACM RecSys workshop on Recommender systems and the social web, New York, NY, USA, 2012.

Laniado, David and Mika, Peter. "Making Sense of Twitter.." Paper presented at the meeting of the International Semantic Web Conference (1), 2010.

Zhang, Yin, Zhang, Bin, Gao, Kening, Guo, Pengwei and Sun, Daming. "Combining content and relation analysis for recommendation in social tagging systems." Physica A: Statistical Mechanics and its Applications 391 , no. 22 (2012): 5759 - 5768.

Zubiaga, Arkaitz, Fresno, Victor, Martinez, Raquel and Garcia-Plaza, Alberto P.. "Harnessing Folksonomies to Produce a Social Classification of Resources." IEEE Transactions on Knowledge and Data Engineering 99 , no. PrePrints (2012): .

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

Mueller, Juergen, Doerfel, Stephan, Becker, Martin, Hotho, Andreas and Stumme, Gerd. "Tag Recommendations for SensorFolkSonomies." Paper presented at the meeting of the Recommender Systems and the Social Web Workshop at 7th ACM Conference on Recommender Systems, RecSys 2013, Hong Kong, China -- October 12-16, 2013. Proceedings, Aachen, Germany, 2013.

Cimiano, Philipp, Hotho, Andreas and Staab, Steffen. "Learning Concept Hierarchies from Text Corpora using Formal Concept Analysis." Journal on Artificial Intelligence Research 24 (2005): 305-339.

Singer, Philipp, Niebler, Thomas, Hotho, Andreas and Strohmaier, Markus. "Folksonomies." In Encyclopedia of Social Network Analysis and Mining , 542--547. : Springer, 2014.