Lorince, J., Zorowitz, S., Murdock, J. & Todd, P. (2014). “Supertagger” Behavior in Building Folksonomies. , .

Cattuto, C., Baldassarri, A., Servedio, V. D. P. & Loreto, V. (2007). Vocabulary growth in collaborative tagging systems. , .

Lee, D. H. & Brusilovsky, P. (2010). Using self-defined group activities for improving recommendations in collaborative tagging systems. Proceedings of the fourth ACM conference on Recommender systems (p./pp. 221--224), New York, NY, USA: ACM. ISBN: 978-1-60558-906-0

Jonsson, M. (2007). Using a Folksonomy Approach for Location Tagging in Community Based Presence Systems. Proceedings of the 2007 International Conference on Mobile Data Management (p./pp. 304--308), Washington, DC, USA: IEEE Computer Society. ISBN: 1-4244-1241-2

Chi, E. H. & Mytkowicz, T. (2008). Understanding the efficiency of social tagging systems using information theory. Proceedings of the nineteenth ACM conference on Hypertext and hypermedia (p./pp. 81--88), New York, NY, USA: ACM. ISBN: 978-1-59593-985-2

Jäschke, R., Hotho, A., Schmitz, C., Ganter, B. & Stumme, G. (2006). TRIAS - An Algorithm for Mining Iceberg Tri-Lattices. Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 06) (p./pp. 907-911), December, Hong Kong: IEEE Computer Society. ISBN: 0-7695-2701-9

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Trend Detection in Folksonomies. In Y. S. Avrithis, Y. Kompatsiaris, S. Staab & N. E. O'Connor (eds.), Proc. First International Conference on Semantics And Digital Media Technology (SAMT) (p./pp. 56-70), December, Heidelberg: Springer. ISBN: 3-540-49335-2

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Trend Detection in Folksonomies. In Y. S. Avrithis, Y. Kompatsiaris, S. Staab & N. E. O'Connor (eds.), Proc. First International Conference on Semantics And Digital Media Technology (SAMT) (p./pp. 56-70), December, Heidelberg: Springer. ISBN: 3-540-49335-2

Kim, H. L., Scerri, S., Breslin, J. G., Decker, S. & Kim, H. G. (2008). The State of the Art in Tag Ontologies: A Semantic Model for Tagging and Folksonomies. Proceedings of the 2008 International Conference on Dublin Core and Metadata Applications (p./pp. 128--137), Berlin, Deutschland: Dublin Core Metadata Initiative.

Benz, D., Hotho, A., Jäschke, R., Krause, B., Mitzlaff, F., Schmitz, C. & Stumme, G. (2010). The Social Bookmark and Publication Management System BibSonomy. The VLDB Journal, 19, 849--875. doi: 10.1007/s00778-010-0208-4

Lipczak, M. & Milios, E. (2010). The Impact of Resource Title on Tags in Collaborative Tagging Systems. Proceedings of the 21st ACM Conference on Hypertext and Hypermedia (p./pp. 179--188), New York, NY, USA: ACM. ISBN: 978-1-4503-0041-4

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, .

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, .

Jäschke, R., Eisterlehner, F., Hotho, A. & Stumme, G. (2009). Testing and Evaluating Tag Recommenders in a Live System. RecSys '09: Proceedings of the 2009 ACM Conference on Recommender Systems, New York, NY, USA: ACM.

Lee, S.-S. & Yong, H.-S. (2007). TagPlus: A Retrieval System using Synonym Tag in Folksonomy. Proceedings of the 2007 International Conference on Multimedia and Ubiquitous Engineering (p./pp. 294--298), Washington, DC, USA: IEEE Computer Society. ISBN: 0-7695-2777-9

Navarro Bullock, B., Jäschke, R. & Hotho, A. (2011). Tagging data as implicit feedback for learning-to-rank. Proceedings of the ACM WebSci Conference (p./pp. 1--4), June, New York, NY, USA.

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

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, Aachen, Germany: CEUR-WS.

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.

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.

Rezel, R. & Liang, S. (2010). SWE-FE: Extending folksonomies to the Sensor Web. 2010 International Symposium on Collaborative Technologies and Systems (CTS) (p./pp. 349--356), May, : IEEE.

Cattuto, C., Benz, D., Hotho, A. & Stumme, G. (2008). Semantic Grounding of Tag Relatedness in Social Bookmarking Systems. The Semantic Web - ISWC 2008 (p./pp. 615--631), : Springer Berlin / Heidelberg. ISBN: 978-3-540-88563-4

Cantador, I., Bellogín, A., Fernández-Tobías, I. & López-Hernández, S. (2011). Semantic Contextualisation of Social Tag-Based Profiles and Item Recommendations. In C. Huemer, T. Setzer, W. Aalst, J. Mylopoulos, M. Rosemann, M. J. Shaw & C. Szyperski (ed.), E-Commerce and Web Technologies , Vol. 85 (pp. 101--113) . Springer . ISBN: 978-3-642-23014-1.

Abbasi, R. & Staab, S. (2009). RichVSM: enRiched Vector Space Models for Folksonomies. HyperText'09: Proceedings of 20th ACM conference on Hypertext and Hypermedia, .

Gemmell, J., Schimoler, T., Mobasher, B. & Burke, R. (2010). Resource Recommendation in Collaborative Tagging Applications. In F. Buccafurri & G. Semeraro (ed.), E-Commerce and Web Technologies , Vol. 61 (pp. 1--12) . Springer . ISBN: 978-3-642-15208-5.

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

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

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

Bogers, T. (2009). Recommender Systems for Social Bookmarking. Unpublished doctoral dissertation , Tilburg University .

Bogers, T. (2009). Recommender Systems for Social Bookmarking. Unpublished doctoral dissertation , Tilburg University .

Benz, D., Hotho, A., Jäschke, R., Krause, B. & Stumme, G. (2010). Query Logs as Folksonomies. Datenbank-Spektrum, 10, 15--24.

Benz, D., Hotho, A., Jäschke, R., Krause, B. & Stumme, G. (2010). Query Logs as Folksonomies. Datenbank-Spektrum, 10, 15--24.

Helic, D., Strohmaier, M., Trattner, C., Muhr, M. & Lerman, K. (2011). Pragmatic Evaluation of Folksonomies. 20th International World Wide Web Conference (WWW2011), Hyderabad, India, March 28 - April 1, ACM, .

Kim, H.-N. & El Saddik, A. (2011). Personalized PageRank vectors for tag recommendations: inside FolkRank. Proceedings of the fifth ACM conference on Recommender systems (p./pp. 45--52), New York, NY, USA: ACM. ISBN: 978-1-4503-0683-6

Clements, M. (2007). Personalization of Social Media. Proceedings of BCS IRSG Symposium: Future Directions in Information Access 2007, August, .

Heckner, M., Heilemann, M. & Wolff, C. (2009). Personal Information Management vs. Resource Sharing: Towards a Model of Information Behaviour in Social Tagging Systems. Int'l AAAI Conference on Weblogs and Social Media (ICWSM), May, San Jose, CA, USA.

Rendle, S. & Schmidt-Thieme, L. (2010). Pairwise interaction tensor factorization for personalized tag recommendation. Proceedings of the third ACM international conference on Web search and data mining (p./pp. 81--90), New York, NY, USA: ACM. ISBN: 978-1-60558-889-6

Konstas, I., Stathopoulos, V. & Jose, J. M. (2009). On social networks and collaborative recommendation. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval (p./pp. 195--202), New York, NY, USA: ACM. ISBN: 978-1-60558-483-6

Doerfel, S., Zoller, D., Singer, P., Niebler, T., Hotho, A. & Strohmaier, M. (2014). Of course we share! Testing Assumptions about Social Tagging Systems (). . (cite arxiv:1401.0629)

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, Banff.

Cattuto, 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.

Cattuto, 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.

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

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

Christiaens, S. (2006). Metadata Mechanisms: From Ontology to Folksonomy ... and Back. Lecture Notes in Computer Science: On the Move to Meaningful Internet Systems 2006: OTM 2006 Workshops, : Springer.

Laniado, D. & Mika, P. (2010). Making Sense of Twitter.. In P. F. Patel-Schneider, Y. Pan, P. Hitzler, P. Mika, L. Zhang, J. Z. Pan, I. Horrocks & B. Glimm (eds.), International Semantic Web Conference (1) (p./pp. 470-485), : Springer. ISBN: 978-3-642-17745-3

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.

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., 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

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

Lipczak, M. & Milios, E. (2010). Learning in efficient tag recommendation. Proceedings of the fourth ACM conference on Recommender systems (p./pp. 167--174), New York, NY, USA: ACM. ISBN: 978-1-60558-906-0

Cimiano, P., Hotho, A. & Staab, S. (2005). Learning Concept Hierarchies from Text Corpora using Formal Concept Analysis. Journal on Artificial Intelligence Research, 24, 305-339.

Böttger, S. (2012). Konzept und Umsetzung eines Tag-Recommenders für Video-Ressourcen am Beispiel UniVideo. Bachelor Thesis Unpublished master's thesis , Universität Kassel .

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.

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.

Abrams, D., Baecker, R. & Chignell, M. (1998). Information archiving with bookmarks: personal Web space construction and organization. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (p./pp. 41--48), New York, NY, USA: ACM Press/Addison-Wesley Publishing Co.. ISBN: 0-201-30987-4

Wartena, C. & Wibbels, M. (2011). Improving Tag-Based Recommendation by Topic Diversification. In P. Clough, C. Foley, C. Gurrin, G. Jones, W. Kraaij, H. Lee & V. Mudoch (ed.), Advances in Information Retrieval , Vol. 6611 (pp. 43--54) . Springer . ISBN: 978-3-642-20160-8.

Wetzker, R., Zimmermann, C., Bauckhage, C. & Albayrak, S. (2010). I tag, you tag: translating tags for advanced user models. Proceedings of the third ACM international conference on Web search and data mining (p./pp. 71--80), New York, NY, USA: ACM. ISBN: 978-1-60558-889-6

Zubiaga, A., Fresno, V., Martinez, R. & Garcia-Plaza, A. P. (2012). Harnessing Folksonomies to Produce a Social Classification of Resources. IEEE Transactions on Knowledge and Data Engineering, 99. doi: http://doi.ieeecomputersociety.org/10.1109/TKDE.2012.115

Domnguez Garca, R., Bender, M., Anjorin, M., Rensing, C. & Steinmetz, R. (2012). FReSET: an evaluation framework for folksonomy-based recommender systems. Proceedings of the 4th ACM RecSys workshop on Recommender systems and the social web (p./pp. 25--28), New York, NY, USA: ACM. ISBN: 978-1-4503-1638-5

Jäschke, R. (2011). Formal concept analysis and tag recommendations in collaborative tagging systems. Unpublished doctoral dissertation .

Jäschke, R. (2011). Formal concept analysis and tag recommendations in collaborative tagging systems. Unpublished doctoral dissertation .

Singer, P., Niebler, T., Hotho, A. & Strohmaier, M. (2014). Folksonomies. In Encyclopedia of Social Network Analysis and Mining (pp. 542--547) . Springer .

Gwizdka, J. & Cole, M. (2007). Finding It on Google, Finding It on del.icio.us.. In L. Kovács, N. Fuhr & C. Meghini (eds.), ECDL (p./pp. 559-562), : Springer. ISBN: 978-3-540-74850-2

Landia, N., Anand, S. S., Hotho, A., Jäschke, R., Doerfel, S. & Mitzlaff, F. (2012). Extending FolkRank with content data. Proceedings of the 4th ACM RecSys workshop on Recommender systems and the social web (p./pp. 1--8), New York, NY, USA: ACM. ISBN: 978-1-4503-1638-5

Yu, L., Li, Q., Xie, H. & Cai, Y. (2011). Exploring Folksonomy and Cooking Procedures to Boost Cooking Recipe Recommendation. Web Technologies and Applications, , 119--130.

Parra, D. & Brusilovsky, P. (2009). Evaluation of Collaborative Filtering Algorithms for Recommending Articles on CiteULike. Proceedings of the Workshop on Web 3.0: Merging Semantic Web and Social Web, June, .

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, Bonn: Gesellschaft für Informatik.

Landia, N., Doerfel, S., Jäschke, R., Anand, S. S., Hotho, A. & Griffiths, N. (2013). Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations. cs.IR, 1310.1498.

Landia, N., Doerfel, S., Jäschke, R., Anand, S. S., Hotho, A. & Griffiths, N. (2013). Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations. cs.IR, 1310.1498.

Landia, N., Doerfel, S., Jäschke, R., Anand, S. S., Hotho, A. & Griffiths, N. (2013). Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations. cs.IR, 1310.1498.

Szomszor, M., Cantador, I. & Alani, H. (2008). Correlating user profiles from multiple folksonomies. Hypertext (p./pp. 33-42), .

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, Graz, Austria: Know-Center.

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, Graz, Austria: Know-Center.

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

Zhang, Y., Zhang, B., Gao, K., Guo, P. & Sun, D. (2012). Combining content and relation analysis for recommendation in social tagging systems. Physica A: Statistical Mechanics and its Applications, 391, 5759 - 5768. doi: 10.1016/j.physa.2012.05.013

Angelova, R., Lipczak, M., Milios, E. & Prałat, P. (2008). Characterizing a social bookmarking and tagging network. Proceedings of the Mining Social Data Workshop (MSoDa) (p./pp. 21--25), July, .

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.

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.

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.

Yanbe, Y., Jatowt, A., Nakamura, S. & Tanaka, K. (2007). Can social bookmarking enhance search in the web?. JCDL '07: Proceedings of the 2007 conference on Digital libraries (p./pp. 107--116), New York, NY, USA: ACM Press. ISBN: 978-1-59593-644-8

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: Aalborg Universitetsforlag. ISBN: 87-7307-769-0

Peterson, E. (2006). Beneath the Metadata: Some Philosophical Problems with Folksonomy . D-Lib Magazine, 12. doi: 10.1045/november2006-peterson

Peterson, E. (2006). Beneath the Metadata: Some Philosophical Problems with Folksonomy . D-Lib Magazine, 12. doi: 10.1045/november2006-peterson

Aurnhammer, M., Hanappe, P. & Steels, L. (2006). Augmenting Navigation for Collaborative Tagging with Emergent Semantics. (p./pp. 58--71), .

Jäschke, R., Hotho, A., Schmitz, C. & Stumme, G. (2007). Analysis of the Publication Sharing Behaviour in BibSonomy. In U. Priss, S. Polovina & R. Hill (eds.), Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007) (p./pp. 283--295), July, Berlin, Heidelberg: Springer-Verlag. ISBN: 3-540-73680-8

Lorince, J., Joseph, K. & Todd, P. (2015). Analysis of Music Tagging and Listening Patterns: Do Tags Really Function as Retrieval Aids?. In N. Agarwal, K. Xu & N. Osgood (ed.), Social Computing, Behavioral-Cultural Modeling, and Prediction , Vol. 9021 (pp. 141-152) . Springer International Publishing . ISBN: 978-3-319-16267-6.

Zhou, M., Bao, S., Wu, X. & Yu, Y. (2008). An Unsupervised Model for Exploring Hierarchical Semantics from Social Annotations. (p./pp. 680--693), .

Gasevic, D., Zouaq, A., Torniai, C., Jovanovic, J. & Hatala, M. (2011). An Approach to Folksonomy-based Ontology Maintenance for Learning Environments. IEEE Transactions on Learning Technologies, 99. doi: 10.1109/TLT.2011.21

Doerfel, S. & Jäschke, R. (2013). An analysis of tag-recommender evaluation procedures. Proceedings of the 7th ACM conference on Recommender systems (p./pp. 343--346), New York, NY, USA: ACM. ISBN: 978-1-4503-2409-0

Plangprasopchok, A., Lerman, K. & Getoor, L. (2010). A Probabilistic Approach for Learning Folksonomies from Structured Data. Proceedings of the 4th ACM Web Search and Data Mining Conference, .

Pera, M. S. & Ng, Y.-K. (2011). A personalized recommendation system on scholarly publications. Proceedings of the 20th ACM international conference on Information and knowledge management (p./pp. 2133--2136), New York, NY, USA: ACM. ISBN: 978-1-4503-0717-8

Wetzker, R., Umbrath, W. & Said, A. (2009). A hybrid approach to item recommendation in folksonomies. Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval (p./pp. 25--29), New York, NY, USA: ACM. ISBN: 978-1-60558-430-0

Solskinnsbakk, G. & Gulla, J. (2010). A Hybrid Approach to Constructing Tag Hierarchies. In R. Meersman, T. Dillon & P. Herrero (ed.), On the Move to Meaningful Internet Systems, OTM 2010 , Vol. 6427 (pp. 975-982) . Springer . ISBN: 978-3-642-16948-9.

Krause, B., Hotho, A. & Stumme, G. (2008). A comparison of social bookmarking with traditional search. Proceedings of the IR research, 30th European conference on Advances in information retrieval (p./pp. 101--113), Berlin, Heidelberg: Springer-Verlag. ISBN: 3-540-78645-7, 978-3-540-78645-0

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), Berlin/Heidelberg: Springer. ISBN: 978-3-642-22139-2

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), Berlin/Heidelberg: Springer. ISBN: 978-3-642-22139-2

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), Berlin/Heidelberg: Springer. ISBN: 978-3-642-22139-2

Illig, J., Hotho, A., Jäschke, R. & Stumme, G. (2011). A Comparison of content-based Tag Recommendations in Folksonomy Systems. Postproceedings of the International Conference on Knowledge Processing in Practice (KPP 2007), : Springer.

Illig, J., Hotho, A., Jäschke, R. & Stumme, G. (to appear). A Comparison of content-based Tag Recommendations in Folksonomy Systems. Postproceedings of the International Conference on Knowledge Processing in Practice (KPP2007), : Springer.