@article{cattuto2007network, author = {Cattuto, Ciro and Schmitz, Christoph and Baldassarri, Andrea and Servedio, Vito D. P. and Loreto, Vittorio and Hotho, Andreas and Grahl, Miranda and Stumme, Gerd}, title = {Network Properties of Folksonomies}, journal = {AI Communications}, year = {2007}, volume = {20}, number = {4}, pages = {245 - 262}, url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/aicomm_2007_folksonomy_clustering.pdf}, keywords = {2007, folksonomies, kdubiq, myown, network, properties, sosbuch, summerschool} }

%0 = article %A = Cattuto, Ciro and Schmitz, Christoph and Baldassarri, Andrea and Servedio, Vito D. P. and Loreto, Vittorio and Hotho, Andreas and Grahl, Miranda and Stumme, Gerd %D = 2007 %T = Network Properties of Folksonomies %U = http://www.kde.cs.uni-kassel.de/hotho/pub/2007/aicomm_2007_folksonomy_clustering.pdf

Currently, social bookmarking systems provide intuitive support for browsing locally their content. A global view is usually presented by the tag cloud of the system, but it does not allow a conceptual drill-down, e. g., along a conceptual hierarchy. In this paper, we present a clustering approach for computing such a conceptual hierarchy for a given folksonomy. The hierarchy is complemented with ranked lists of users and resources most related to each cluster. The rankings are computed using our FolkRank algorithm. We have evaluated our approach on large scale data from the del.icio.us bookmarking system.

@inproceedings{grahl2007clustering, author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd}, title = {Conceptual Clustering of Social Bookmarking Sites}, booktitle = {7th International Conference on Knowledge Management (I-KNOW '07)}, publisher = {Know-Center}, address = {Graz, Austria}, year = {2007}, pages = {356-364}, keywords = {2007, bookmarking, clustering, conceptual, folksonomy, kdubiq, myown, social, sosbuch, summerschool, tagging, taggingsurvey}, abstract = {Currently, social bookmarking systems provide intuitive support for browsing locally their content. A global view is usually presented by the tag cloud of the system, but it does not allow a conceptual drill-down, e. g., along a conceptual hierarchy. In this paper, we present a clustering approach for computing such a conceptual hierarchy for a given folksonomy. The hierarchy is complemented with ranked lists of users and resources most related to each cluster. The rankings are computed using our FolkRank algorithm. We have evaluated our approach on large scale data from the del.icio.us bookmarking system.} }

%0 = inproceedings %A = Grahl, Miranda and Hotho, Andreas and Stumme, Gerd %B = 7th International Conference on Knowledge Management (I-KNOW '07) %C = Graz, Austria %D = 2007 %I = Know-Center %T = Conceptual Clustering of Social Bookmarking Sites

@inproceedings{jaschke07recommender, author = {Jäschke, Robert and Marinho, Leandro Balby and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd}, title = {Tag Recommendations in Folksonomies}, editor = {Kok, Joost N. and Koronacki, Jacek and de Mántaras, Ramon López and Matwin, Stan and Mladenic, Dunja and Skowron, Andrzej}, booktitle = {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}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, year = {2007}, volume = {4702}, pages = {506-514}, url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/Tag_Recommender_in_Folksonomies_final.pdf}, isbn = {978-3-540-74975-2}, keywords = {2007, folksonomy, kdubiq, myown, pagerank, recommender, social, sosbuch, summerschool, tagging, taggingsurvey} }

%0 = inproceedings %A = Jäschke, Robert and Marinho, Leandro Balby and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd %B = 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 %D = 2007 %I = Springer %T = Tag Recommendations in Folksonomies %U = http://www.kde.cs.uni-kassel.de/hotho/pub/2007/Tag_Recommender_in_Folksonomies_final.pdf

@article{begelman2006atc, author = {Begelman, G. and Keller, P. and Smadja, F.}, title = {Automated Tag Clustering: Improving search and exploration in the tag space}, journal = {WWW2006, May}, year = {2006}, pages = {22--26}, url = {http://www.pui.ch/phred/automated_tag_clustering/}, keywords = {clustering, kdubiq, sosbuch, summerschool, tagging, taggingsurvey, toread} }

%0 = article %A = Begelman, G. and Keller, P. and Smadja, F. %D = 2006 %T = Automated Tag Clustering: Improving search and exploration in the tag space %U = http://www.pui.ch/phred/automated_tag_clustering/

Collaborative tagging systems--systems where many casual users annotate objects with free-form strings (tags) of their choosing--have recently emerged as a powerful way to label and organize large collections of data. During our recent investigation into these types of systems, we discovered a simple but remarkably effective algorithm for converting a large corpus of tags annotating objects in a tagging system into a navigable hierarchical taxonomy of tags. We first discuss the algorithm and then present a preliminary model to explain why it is so effective in these types of systems.

@techreport{citeulike:739394, author = {Heymann, Paul and Garcia-Molina, Hector}, title = {Collaborative Creation of Communal Hierarchical Taxonomies in Social Tagging Systems}, school = {Standford University}, year = {2006}, number = {2006-10}, url = {http://dbpubs.stanford.edu:8090/pub/2006-10}, keywords = {clustering, collaborative, folksonomy, kdubiq, ol, social, sosbuch, summerschool, tagging, taggingsurvey, taxonomy, webzu}, abstract = {Collaborative tagging systems---systems where many casual users annotate objects with free-form strings (tags) of their choosing---have recently emerged as a powerful way to label and organize large collections of data. During our recent investigation into these types of systems, we discovered a simple but remarkably effective algorithm for converting a large corpus of tags annotating objects in a tagging system into a navigable hierarchical taxonomy of tags. We first discuss the algorithm and then present a preliminary model to explain why it is so effective in these types of systems.} }

%0 = techreport %A = Heymann, Paul and Garcia-Molina, Hector %B = } %C = %D = 2006 %I = %T = Collaborative Creation of Communal Hierarchical Taxonomies in Social Tagging Systems} %U = http://dbpubs.stanford.edu:8090/pub/2006-10

@inproceedings{hotho2006information, author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd}, title = {Information Retrieval in Folksonomies: Search and Ranking}, booktitle = {Proceedings of the 3rd European Semantic Web Conference }, series = {LNCS}, publisher = {Springer}, address = {Budva, Montenegro}, year = {2006}, volume = {4011}, pages = {411-426}, url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2006/seach2006hotho_eswc.pdf}, isbn = {3-540-34544-2}, keywords = {2006, bibsonomy, definition, folkrank, folksonomy, ir, kdubiq, myown, pagerank, rank, ranking, search, seminar2006, sosbuch, summerschool} }

%0 = inproceedings %A = Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd %B = Proceedings of the 3rd European Semantic Web Conference %C = Budva, Montenegro %D = 2006 %I = Springer %T = Information Retrieval in Folksonomies: Search and Ranking %U = http://www.kde.cs.uni-kassel.de/hotho/pub/2006/seach2006hotho_eswc.pdf

@inproceedings{trias2006jaeschke, author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd}, title = {TRIAS - An Algorithm for Mining Iceberg Tri-Lattices}, booktitle = {Proc. 6th ICDM conference}, address = {Hong Kong}, year = {2006}, doi = {http://doi.ieeecomputersociety.org/10.1109/ICDM.2006.162}, isbn = {0-7695-2701-9}, keywords = {2006, fca, kdubiq, mining, myown, sosbuch, summerschool, trias} }

%0 = inproceedings %A = Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd %B = Proc. 6th ICDM conference %C = Hong Kong %D = 2006 %T = TRIAS - An Algorithm for Mining Iceberg Tri-Lattices

@inproceedings{schmitz2006mining, author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd}, title = {Mining Association Rules in Folksonomies}, editor = {Batagelj, V. and Bock, H.-H. and Ferligoj, A. and Žiberna, A.}, booktitle = {Data Science and Classification (Proc. IFCS 2006 Conference)}, series = {Studies in Classification, Data Analysis, and Knowledge Organization}, publisher = {Springer}, address = {Berlin/Heidelberg}, year = {2006}, pages = {261-270}, note = {Ljubljana}, url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2006/schmitz2006asso_ifcs.pdf}, doi = {10.1007/3-540-34416-0_28}, isbn = {978-3-540-34415-5}, keywords = {2006, analysis, association, folksonomy, kdubiq, myown, network, rules, semantic, seminar2006, sosbuch, summerschool} }

%0 = inproceedings %A = Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd %B = Data Science and Classification (Proc. IFCS 2006 Conference) %C = Berlin/Heidelberg %D = 2006 %I = Springer %T = Mining Association Rules in Folksonomies %U = http://www.kde.cs.uni-kassel.de/hotho/pub/2006/schmitz2006asso_ifcs.pdf

@inproceedings{xfms06towards, author = {Xu, Zhichen and Fu, Yun and Mao, Jianchang and Su, Difu}, title = {Towards the Semantic Web: Collaborative Tag Suggestions}, booktitle = {Proceedings of the Collaborative Web Tagging Workshop at the WWW 2006}, year = {2006}, keywords = {folksonomy, kdubiq, recommender, sosbuch, summerschool, tagging, taggingsurvey} }

%0 = inproceedings %A = Xu, Zhichen and Fu, Yun and Mao, Jianchang and Su, Difu %B = Proceedings of the Collaborative Web Tagging Workshop at the WWW 2006 %D = 2006 %T = Towards the Semantic Web: Collaborative Tag Suggestions

@misc{golder05structure, author = {Golder, Scott and Huberman, Bernardo A.}, title = {The Structure of Collaborative Tagging Systems}, year = {2005}, url = {http://arxiv.org/abs/cs.DL/0508082}, keywords = {folksonomy, kdubiq, network, social, sosbuch, summerschool, tagging, taggingsurvey} }

%0 = misc %A = Golder, Scott and Huberman, Bernardo A. %B = } %C = %D = 2005 %I = %T = The Structure of Collaborative Tagging Systems} %U = http://arxiv.org/abs/cs.DL/0508082

@inproceedings{Mika2005, author = {Mika, Peter}, title = {Ontologies Are Us: A Unified Model of Social Networks and Semantics}, booktitle = {International Semantic Web Conference}, series = {LNCS}, publisher = {Springer}, year = {2005}, pages = {522-536}, url = {http://www.cs.vu.nl/~pmika/research/papers/ISWC-folksonomy.pdf}, doi = {10.1007/11574620_38}, keywords = {2.0, clustering, folksonomy, kdubiq, ontology, semantic, socialsoftware, sosbuch, summerschool, tagging, taggingsurvey, web} }

%0 = inproceedings %A = Mika, Peter %B = International Semantic Web Conference %D = 2005 %I = Springer %T = Ontologies Are Us: A Unified Model of Social Networks and Semantics %U = http://www.cs.vu.nl/~pmika/research/papers/ISWC-folksonomy.pdf