Benz, Dominik, Tso, Karen H. L. and Schmidt-Thieme, Lars. "Supporting Collaborative Hierarchical Classification: Bookmarks as an Example." Special Issue of the Computer Networks journal on Innovations in Web Communications Infrastructure (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 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, Marinho, Leandro Balby, Hotho, Andreas, Schmidt-Thieme, Lars and Stumme, Gerd. "Tag Recommendations in Folksonomies." Paper presented at the meeting of the Knowledge Discovery in Databases: PKDD 2007, 11th European Conference on Principles and Practice of Knowledge Discovery in Databases, Warsaw, Poland, September 17-21, 2007, Proceedings, 2007.

Cattuto, Ciro, Loreto, Vittorio and Servedio, Vito D.P.. "A Yule-Simon process with memory." Europhysics Letters 76 , no. 2 (2006): 208-214.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Information Retrieval in Folksonomies: Search and Ranking." Paper presented at the meeting of the Proceedings of the 3rd European Semantic Web Conference , Budva, Montenegro, 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), 2006.

Jäschke, Robert, Hotho, Andreas, Schmitz, Christoph, Ganter, Bernhard and Stumme, Gerd. "TRIAS - An Algorithm for Mining Iceberg Tri-Lattices." Paper presented at the meeting of the Proc. 6th ICDM conference, Hong Kong, 2006.

Marlow, Cameron, Naaman, Mor, Boyd, Danah and Davis, Marc. "Position Paper, Tagging, Taxonomy, Flickr, Article, ToRead." Paper presented at the meeting of the Collaborative Web Tagging Workshop at WWW2006, 2006.

Schmitz, Christoph, Hotho, Andreas, Jäschke, Robert and Stumme, Gerd. "Mining Association Rules in Folksonomies." Paper presented at the meeting of the Data Science and Classification (Proc. IFCS 2006 Conference), Berlin/Heidelberg, 2006.

Xu, Zhichen, Fu, Yun, Mao, Jianchang and Su, Difu. "Towards the Semantic Web: Collaborative Tag Suggestions." Paper presented at the meeting of the Proceedings of the Collaborative Web Tagging Workshop at the WWW 2006, 2006.

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

Hammond, T., Hannay, T., Lund, B. and Scott, J.. "Social Bookmarking Tools (I)." D-Lib Magazine (2005): .

Lund, Ben, Hammond, Tony, Flack, Martin and Hannay, Timo. "Social Bookmarking Tools (II): A Case Study - Connotea." D-Lib Magazine 11 , no. 4 (2005): .

Mazzocchi, Stefano Folksologies: de-idealizing ontologies. (2005). .

Michail, Amir CollaborativeRank: Motivating People to Give Helpful and Timely Ranking Suggestions. , School of Computer Science and Engineering , \url{http://collabrank.web.cse.unsw.edu.au/collabrank.pdf} (2005). , (work in progress) .

Szekely, Benjamin and Torres, Elias. "Ranking Bookmarks and Bistros: Intelligent Community and Folksonomy Development." 2005. http://torrez.us/archives/2005/07/13/tagrank.pdf.

Newman, M.E.J.. "Small Worlds: The Structure of Social Networks." Complexity (2000): .

Kleinberg, Jon M.. "Authoritative sources in a hyperlinked environment." Journal of the ACM 46 , no. 5 (1999): 604--632.

Page, L., Brin, S., Motwani, R. and Winograd, T.. "The PageRank citation ranking: Bringing order to the Web." Paper presented at the meeting of the Proceedings of the 7th International World Wide Web Conference, Brisbane, Australia, 1998.