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  author = {Markines, Benjamin and Cattuto, Ciro and Menczer, Filippo},
  title = {Social spam detection.},
  booktitle = {AIRWeb},
  year = {2009},
  pages = {41-48},
  url = {http://dblp.uni-trier.de/db/conf/airweb/airweb2009.html#MarkinesCM09}
}

@inproceedings{Benz07OL,
  author = {Benz, Dominik and Hotho, Andreas},
  title = {Position Paper: Ontology Learning from Folksonomies.},
  booktitle = {LWA 2007: Lernen - Wissen - Adaption, Halle, September 2007, Workshop Proceedings (LWA)},
  publisher = {Martin-Luther-University Halle-Wittenberg},
  year = {2007},
  pages = {109-112},
  url = {http://dblp.uni-trier.de/db/conf/lwa/lwa2007.html#BenzH07}
}

@article{cattuto-2007-104,
  author = {Cattuto, Ciro and Loreto, Vittorio and Pietronero, Luciano},
  title = {Collaborative Tagging and Semiotic Dynamics},
  journal = {PNAS},
  year = {2007},
  volume = {104},
  pages = {1461},
  url = {doi:10.1073/pnas.0610487104}
}

@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}
}

@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},
  year = {2007},
  pages = {356-364}
}

@article{journals/internet/HeymannKG07,
  author = {Heymann, Paul and Koutrika, Georgia and Garcia-Molina, Hector},
  title = {Fighting Spam on Social Web Sites: A Survey of Approaches and Future Challenges.},
  journal = {IEEE Internet Computing},
  year = {2007},
  volume = {11},
  number = {6},
  pages = {36-45},
  url = {http://dblp.uni-trier.de/db/journals/internet/internet11.html#HeymannKG07}
}

@inproceedings{jaschke07recommender,
  author = {Jäschke, Robert and Marinho, Leandro Balby and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd},
  title = {Tag Recommendations in Folksonomies},
  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},
  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}
}

@inproceedings{kolari2007blogs,
  author = {Kolari, Pranam and Finin, Tim and Yesha, Yelena and Yesha, Yaacov and Lyons, Kelly and Perelgut, Stephen and Hawkins, Jen},
  title = {On the Structure, Properties and Utility of Internal Corporate Blogs},
  booktitle = {Proceedings of the International Conference on Weblogs and Social Media (ICWSM 2007)},
  year = {2007},
  note = {Nominated for Best Paper Award},
  url = {http://ebiquity.umbc.edu/get/a/publication/341.pdf}
}

@inproceedings{koutrika2007combating,
  author = {Koutrika, Georgia and Effendi, Frans Adjie and Gyöngyi, Zoltán and Heymann, Paul and Garcia-Molina, Hector},
  title = {Combating spam in tagging systems},
  booktitle = {AIRWeb '07: Proceedings of the 3rd international workshop on Adversarial information retrieval on the web},
  publisher = {ACM Press},
  year = {2007},
  pages = {57--64},
  url = {http://portal.acm.org/citation.cfm?id=1244408.1244420},
  doi = {http://doi.acm.org/10.1145/1244408.1244420}
}

@article{10.1109/WI.2007.108,
  author = {Nauman, Mohammad and Khan, Shahbaz},
  title = {Using PersonalizedWeb Search for Enhancing Common Sense and Folksonomy Based Intelligent Search Systems},
  journal = {wi},
  publisher = {IEEE Computer Society},
  year = {2007},
  volume = {0},
  pages = {423-426},
  doi = {http://doi.ieeecomputersociety.org/10.1109/WI.2007.108}
}

@article{sinclair:ftc,
  author = {Sinclair, J. and Cardew-Hall, M.},
  title = {The folksonomy tag cloud: When is it useful?},
  journal = {Journal of Information Science},
  publisher = {CILIP},
  year = {2007},
  pages = {016555150607808}
}

@article{1276056,
  author = {Wurst, Michael and Morik, Katharina},
  title = {Distributed feature extraction in a p2p setting: a case study},
  journal = {Future Gener. Comput. Syst.},
  publisher = {Elsevier Science Publishers B. V.},
  year = {2007},
  volume = {23},
  number = {1},
  pages = {69--75},
  url = {http://portal.acm.org/citation.cfm?id=1276056},
  doi = {http://dx.doi.org/10.1016/j.future.2006.04.004}
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@article{journals/corr/abs-physics-0602026,
  author = {Capocci, Andrea and Servedio, Vito Domenico Pietro and Colaiori, Francesca and Buriol, Luciana S. and Donato, Debora and Leonardi, Stefano and Caldarelli, Guido},
  title = {Preferential attachment in the growth of social networks: the case of Wikipedia},
  journal = {CoRR},
  year = {2006},
  volume = {abs/physics/0602026},
  note = {informal publication},
  url = {http://dblp.uni-trier.de/db/journals/corr/corr0602.html#abs-physics-0602026}
}

@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 },
  publisher = {Springer},
  year = {2006},
  volume = {4011},
  pages = {411-426},
  url = {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},
  year = {2006},
  doi = {http://doi.ieeecomputersociety.org/10.1109/ICDM.2006.162}
}

@inproceedings{schmitz2006mining,
  author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title = {Mining Association Rules in Folksonomies},
  booktitle = {Data Science and Classification (Proc. IFCS 2006 Conference)},
  publisher = {Springer},
  year = {2006},
  pages = {261-270},
  note = {Ljubljana},
  url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2006/schmitz2006asso_ifcs.pdf},
  doi = {http://dx.doi.org/10.1007/3-540-34416-0_28}
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  author = {Sen, Shilad and Lam, Shyong K. and Rashid, Al Mamunur and Cosley, Dan and Frankowski, Dan and Osterhouse, Jeremy and Harper, F. Maxwell and Riedl, John},
  title = {tagging, communities, vocabulary, evolution},
  booktitle = {CSCW '06: Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work},
  publisher = {ACM},
  year = {2006},
  pages = {181--190},
  url = {http://portal.acm.org/citation.cfm?id=1180904},
  doi = {http://doi.acm.org/10.1145/1180875.1180904}
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@inproceedings{stumme05finite,
  author = {Stumme, Gerd},
  title = {A Finite State Model for On-Line Analytical Processing in

             Triadic Contexts},
  booktitle = {Proc. 3rd Intl. Conf. on Formal Concept Analysis},
  publisher = {Springer},
  year = {2005},
  volume = {3403},
  pages = {315-328},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2005/stumme2005finite.pdf}
}

@article{heylighen98bootstrapping,
  author = {Heylighen, Francis},
  title = {Bootstrapping knowledge representations: from entailment meshes via semantic nets to learning webs},
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  year = {2001},
  volume = {30},
  number = {5/6},
  pages = {691--722},
  url = {citeseer.nj.nec.com/francis96bootstrapping.html}
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@inproceedings{LehmannWille95,
  author = {Lehmann, Fritz and Wille, Rudolf},
  title = {A triadic approach to formal concept analysis},
  booktitle = {Conceptual structures: applications, implementation and theory},
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