@Inproceedings{lorince2014supertagger,
  author = {Lorince, Jared and Zorowitz, Sam and Murdock, Jaimie and Todd, Peter},
  title  = {“Supertagger” Behavior in Building Folksonomies},

  year   = {2014},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{cattuto2007vocabulary,
  author = {Cattuto, Ciro and Baldassarri, Andrea and Servedio, Vito D. P. and Loreto, Vittorio},
  title  = {Vocabulary growth in collaborative tagging systems},

  year   = {2007},
  number = {},
  url    = {http://www.citebase.org/abstract?id=oai:arXiv.org:0704.3316},

  const  = {\ text}
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@Inproceedings{lee2010using,
  author = {Lee, Danielle H. and Brusilovsky, Peter},
  title  = {Using self-defined group activities for improving recommendations in collaborative tagging systems},

  year   = {2010},
  number = {},
  url    = {http://doi.acm.org/10.1145/1864708.1864752},
  doi = {10.1145/1864708.1864752},
  const  = {\ text}
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@Inproceedings{jonsson2007using,
  author = {Jonsson, Martin},
  title  = {Using a Folksonomy Approach for Location Tagging in Community Based Presence Systems},

  year   = {2007},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1548880.1549004},
  doi = {10.1109/MDM.2007.64},
  const  = {\ text}
}
@Inproceedings{chi2008understanding,
  author = {Chi, Ed H. and Mytkowicz, Todd},
  title  = {Understanding the efficiency of social tagging systems using information theory},

  year   = {2008},
  number = {},
  url    = {http://doi.acm.org/10.1145/1379092.1379110},
  doi = {10.1145/1379092.1379110},
  const  = {\ text}
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@Inproceedings{jaeschke06trias,
  author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd},
  title  = {TRIAS - An Algorithm for Mining Iceberg Tri-Lattices},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/jaeschke2006trias.pdf},
  doi = {http://doi.ieeecomputersociety.org/10.1109/ICDM.2006.162},
  const  = {\ text}
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@Inproceedings{hotho2006trend,
  author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {Trend Detection in Folksonomies},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006trend.pdf},

  const  = {\ text}
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@Inproceedings{hotho2006trend,
  author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {Trend Detection in Folksonomies},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006trend.pdf},

  const  = {\ text}
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@Inproceedings{Kim2008,
  author = {Kim, Hak Lae and Scerri, Simon and Breslin, John G. and Decker, Stefan and Kim, Hong Gee},
  title  = {The State of the Art in Tag Ontologies: A Semantic Model for Tagging and Folksonomies},

  year   = {2008},
  number = {},
  url    = {},

  const  = {\ text}
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@Article{benz2010social,
  author = {Benz, Dominik and Hotho, Andreas and Jäschke, Robert and Krause, Beate and Mitzlaff, Folke and Schmitz, Christoph and Stumme, Gerd},
  title  = {The Social Bookmark and Publication Management System BibSonomy},
  journal = {The VLDB Journal},
  year   = {2010},
  number = {6},
  url    = {http://www.kde.cs.uni-kassel.de/pub/pdf/benz2010social.pdf},
  doi = {10.1007/s00778-010-0208-4},
  const  = {\ text}
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@Inproceedings{lipczak2010impact,
  author = {Lipczak, Marek and Milios, Evangelos},
  title  = {The Impact of Resource Title on Tags in Collaborative Tagging Systems},

  year   = {2010},
  number = {},
  url    = {http://doi.acm.org/10.1145/1810617.1810648},
  doi = {10.1145/1810617.1810648},
  const  = {\ text}
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@Inproceedings{krause2008antisocialb,
  author = {Krause, Beate and Schmitz, Christoph and Hotho, Andreas and Stumme, Gerd},
  title  = {The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems},

  year   = {2008},
  number = {},
  url    = {http://airweb.cse.lehigh.edu/2008/submissions/krause_2008_anti_social_tagger.pdf},

  const  = {\ text}
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@Inproceedings{krause2008antisocialb,
  author = {Krause, Beate and Schmitz, Christoph and Hotho, Andreas and Stumme, Gerd},
  title  = {The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems},

  year   = {2008},
  number = {},
  url    = {http://airweb.cse.lehigh.edu/2008/submissions/krause_2008_anti_social_tagger.pdf},

  const  = {\ text}
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@Inproceedings{jaeschke2009testing,
  author = {Jäschke, Robert and Eisterlehner, Folke and Hotho, Andreas and Stumme, Gerd},
  title  = {Testing and Evaluating Tag Recommenders in a Live System},

  year   = {2009},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{lee2007tagplus,
  author = {Lee, Sun-Sook and Yong, Hwan-Seung},
  title  = {TagPlus: A Retrieval System using Synonym Tag in Folksonomy},

  year   = {2007},
  number = {},
  url    = {http://dx.doi.org/10.1109/MUE.2007.201},
  doi = {http://dx.doi.org/10.1109/MUE.2007.201},
  const  = {\ text}
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@Inproceedings{navarrobullock2011tagging,
  author = {Navarro Bullock, Beate and Jäschke, Robert and Hotho, Andreas},
  title  = {Tagging data as implicit feedback for learning-to-rank},

  year   = {2011},
  number = {},
  url    = {http://journal.webscience.org/463/},

  const  = {\ text}
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@Inproceedings{jaeschke07tagKdml,
  author = {Jaeschke, Robert and Marinho, Leandro and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd},
  title  = {Tag Recommendations in Folksonomies},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2007/jaeschke07tagrecommendationsKDML.pdf},

  const  = {\ text}
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@Inproceedings{mueller2013recommendations,
  author = {Mueller, Juergen and Doerfel, Stephan and Becker, Martin and Hotho, Andreas and Stumme, Gerd},
  title  = {Tag Recommendations for SensorFolkSonomies},

  year   = {2013},
  number = {},
  url    = {http://ceur-ws.org/Vol-1066/},

  const  = {\ text}
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@Inproceedings{mueller2013recommendations,
  author = {Mueller, Juergen and Doerfel, Stephan and Becker, Martin and Hotho, Andreas and Stumme, Gerd},
  title  = {Tag Recommendations for SensorFolkSonomies},

  year   = {2013},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{mueller2013recommendations,
  author = {Mueller, Juergen and Doerfel, Stephan and Becker, Martin and Hotho, Andreas and Stumme, Gerd},
  title  = {Tag Recommendations for SensorFolkSonomies},

  year   = {2013},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{rezel2010swefe,
  author = {Rezel, R. and Liang, S.},
  title  = {SWE-FE: Extending folksonomies to the Sensor Web},

  year   = {2010},
  number = {},
  url    = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5478494},
  doi = {10.1109/CTS.2010.5478494},
  const  = {\ text}
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@Inproceedings{cattuto2008semantic,
  author = {Cattuto, Ciro and Benz, Dominik and Hotho, Andreas and Stumme, Gerd},
  title  = {Semantic Grounding of Tag Relatedness in Social Bookmarking Systems},

  year   = {2008},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/pub/pdf/cattuto2008semantica.pdf},
  doi = {10.1007/978-3-540-88564-1_39},
  const  = {\ text}
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@Incollection{cantador2011semantic,
  author = {Cantador, Iván and Bellogín, Alejandro and Fernández-Tobías, Ignacio and López-Hernández, Sergio},
  title  = {Semantic Contextualisation of Social Tag-Based Profiles and Item Recommendations},

  year   = {2011},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-23014-1_9},
  doi = {10.1007/978-3-642-23014-1_9},
  const  = {\ text}
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@Inproceedings{abbasi2009richvsm,
  author = {Abbasi, Rabeeh and Staab, Steffen},
  title  = {RichVSM: enRiched Vector Space Models for Folksonomies},

  year   = {2009},
  number = {},
  url    = {},

  const  = {\ text}
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@Incollection{gemmell2010resource,
  author = {Gemmell, Jonathan and Schimoler, Thomas and Mobasher, Bamshad and Burke, Robin},
  title  = {Resource Recommendation in Collaborative Tagging Applications},

  year   = {2010},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-15208-5_1},
  doi = {10.1007/978-3-642-15208-5_1},
  const  = {\ text}
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@Book{balbymarinho2012recommender,
  author = {Balby Marinho, L. and Hotho, A. and Jäschke, R. and Nanopoulos, A. and Rendle, S. and Schmidt-Thieme, L. and Stumme, G. and Symeonidis, P.},
  title  = {Recommender Systems for Social Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://link.springer.com/book/10.1007/978-1-4614-1894-8},
  doi = {10.1007/978-1-4614-1894-8},
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@Book{balbymarinho2012recommender,
  author = {Balby Marinho, L. and Hotho, A. and Jäschke, R. and Nanopoulos, A. and Rendle, S. and Schmidt-Thieme, L. and Stumme, G. and Symeonidis, P.},
  title  = {Recommender Systems for Social Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://www.springer.com/computer/database+management+%26+information+retrieval/book/978-1-4614-1893-1},

  const  = {\ text}
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@Book{balbymarinho2012recommender,
  author = {Balby Marinho, L. and Hotho, A. and Jäschke, R. and Nanopoulos, A. and Rendle, S. and Schmidt-Thieme, L. and Stumme, G. and Symeonidis, P.},
  title  = {Recommender Systems for Social Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://link.springer.com/book/10.1007/978-1-4614-1894-8},
  doi = {10.1007/978-1-4614-1894-8},
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@Phdthesis{bogers2009recommender,
  author = {Bogers, Toine},
  title  = {Recommender Systems for Social Bookmarking},

  year   = {2009},
  number = {},
  url    = {http://ilk.uvt.nl/~toine/phd-thesis/},

  const  = {\ text}
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@Phdthesis{bogers2009recommender,
  author = {Bogers, Toine},
  title  = {Recommender Systems for Social Bookmarking},

  year   = {2009},
  number = {},
  url    = {http://ilk.uvt.nl/~toine/phd-thesis/},

  const  = {\ text}
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@Article{benz2010query,
  author = {Benz, Dominik and Hotho, Andreas and Jäschke, Robert and Krause, Beate and Stumme, Gerd},
  title  = {Query Logs as Folksonomies},
  journal = {Datenbank-Spektrum},
  year   = {2010},
  number = {1},
  url    = {http://dx.doi.org/10.1007/s13222-010-0004-8},

  const  = {\ text}
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@Article{benz2010query,
  author = {Benz, Dominik and Hotho, Andreas and Jäschke, Robert and Krause, Beate and Stumme, Gerd},
  title  = {Query Logs as Folksonomies},
  journal = {Datenbank-Spektrum},
  year   = {2010},
  number = {1},
  url    = {http://dx.doi.org/10.1007/s13222-010-0004-8},

  const  = {\ text}
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@Inproceedings{helic2011pragmatic,
  author = {Helic, D. and Strohmaier, M. and Trattner, C. and Muhr, M. and Lerman, K.},
  title  = {Pragmatic Evaluation of Folksonomies},

  year   = {2011},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{kim2011personalized,
  author = {Kim, Heung-Nam and El Saddik, Abdulmotaleb},
  title  = {Personalized PageRank vectors for tag recommendations: inside FolkRank},

  year   = {2011},
  number = {},
  url    = {http://doi.acm.org/10.1145/2043932.2043945},
  doi = {10.1145/2043932.2043945},
  const  = {\ text}
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@Inproceedings{clements2007personalization,
  author = {Clements, M.},
  title  = {Personalization of Social Media},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{heckner2009personal,
  author = {Heckner, Markus and Heilemann, Michael and Wolff, Christian},
  title  = {Personal Information Management vs. Resource Sharing: Towards a Model of Information Behaviour in Social Tagging Systems},

  year   = {2009},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{rendle2010pairwise,
  author = {Rendle, Steffen and Schmidt-Thieme, Lars},
  title  = {Pairwise interaction tensor factorization for personalized tag recommendation},

  year   = {2010},
  number = {},
  url    = {http://doi.acm.org/10.1145/1718487.1718498},
  doi = {10.1145/1718487.1718498},
  const  = {\ text}
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@Inproceedings{konstas2009social,
  author = {Konstas, Ioannis and Stathopoulos, Vassilios and Jose, Joemon M.},
  title  = {On social networks and collaborative recommendation},

  year   = {2009},
  number = {},
  url    = {http://doi.acm.org/10.1145/1571941.1571977},
  doi = {10.1145/1571941.1571977},
  const  = {\ text}
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@Techreport{doerfel2014course,
  author = {Doerfel, Stephan and Zoller, Daniel and Singer, Philipp and Niebler, Thomas and Hotho, Andreas and Strohmaier, Markus},
  title  = {Of course we share! Testing Assumptions about Social Tagging Systems},

  year   = {2014},
  number = {},
  url    = {http://arxiv.org/abs/1401.0629},

  const  = {\ text}
}
@Inproceedings{schmitz07network,
  author = {Schmitz, Christoph and Grahl, Miranda and Hotho, Andreas and Stumme, Gerd and Catutto, Ciro and Baldassarri, Andrea and Loreto, Vittorio and Servedio, Vito D. P.},
  title  = {Network Properties of Folksonomies},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2007/schmitz07network.pdf},

  const  = {\ text}
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@Article{cattuto2007networkb,
  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 Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering''},
  year   = {2007},
  number = {4},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2007/cattuto2007network.pdf},

  const  = {\ text}
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@Article{cattuto2007networkb,
  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 Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering''},
  year   = {2007},
  number = {4},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2007/cattuto2007network.pdf},

  const  = {\ text}
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@Inproceedings{schmitz2006mining,
  author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {Mining Association Rules in Folksonomies},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{schmitz2006mining,
  author = {Schmitz, Christoph and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {Mining Association Rules in Folksonomies},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{christiaens2006metadata,
  author = {Christiaens, Stijn},
  title  = {Metadata Mechanisms: From Ontology to Folksonomy ... and Back},

  year   = {2006},
  number = {},
  url    = {http://www.springerlink.com/content/m370107220473394},

  const  = {\ text}
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@Inproceedings{Laniado2010,
  author = {Laniado, David and Mika, Peter},
  title  = {Making Sense of Twitter.},

  year   = {2010},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/semweb/iswc2010-1.html#LaniadoM10},

  const  = {\ text}
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@Inproceedings{jaeschke2008logsonomy,
  author = {Jäschke, Robert and Krause, Beate and Hotho, Andreas and Stumme, Gerd},
  title  = {Logsonomy -- A Search Engine Folksonomy},

  year   = {2008},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2008/Krause2008logsonomy_short.pdf},

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@Inproceedings{jaeschke2008logsonomy,
  author = {Jäschke, Robert and Krause, Beate and Hotho, Andreas and Stumme, Gerd},
  title  = {Logsonomy -- A Search Engine Folksonomy},

  year   = {2008},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2008/Krause2008logsonomy_short.pdf},

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@Inproceedings{krause2008logsonomy,
  author = {Krause, Beate and Jäschke, Robert and Hotho, Andreas and Stumme, Gerd},
  title  = {Logsonomy - Social Information Retrieval with Logdata},

  year   = {2008},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1379092.1379123&coll=ACM&dl=ACM&type=series&idx=SERIES399&part=series&WantType=Journals&title=Proceedings%20of%20the%20nineteenth%20ACM%20conference%20on%20Hypertext%20and%20hypermedia},
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@Inproceedings{krause2008logsonomy,
  author = {Krause, Beate and Jäschke, Robert and Hotho, Andreas and Stumme, Gerd},
  title  = {Logsonomy - Social Information Retrieval with Logdata},

  year   = {2008},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1379092.1379123&coll=ACM&dl=ACM&type=series&idx=SERIES399&part=series&WantType=Journals&title=Proceedings%20of%20the%20nineteenth%20ACM%20conference%20on%20Hypertext%20and%20hypermedia},
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@Inproceedings{lipczak2010learning,
  author = {Lipczak, Marek and Milios, Evangelos},
  title  = {Learning in efficient tag recommendation},

  year   = {2010},
  number = {},
  url    = {http://doi.acm.org/10.1145/1864708.1864741},
  doi = {10.1145/1864708.1864741},
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@Article{cimiano05learning,
  author = {Cimiano, Philipp and Hotho, Andreas and Staab, Steffen},
  title  = {Learning Concept Hierarchies from Text Corpora using Formal Concept Analysis},
  journal = {Journal on Artificial Intelligence Research},
  year   = {2005},
  number = {},
  url    = {http://dblp.uni-trier.de/db/journals/jair/jair24.html#CimianoHS05},

  const  = {\ text}
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@Mastersthesis{bottger2012konzept,
  author = {Böttger, Sebastian},
  title  = {Konzept und Umsetzung eines Tag-Recommenders für Video-Ressourcen am Beispiel UniVideo},

  year   = {2012},
  number = {},
  url    = {http://www.uni-kassel.de/~seboettg/ba-thesis.pdf},

  const  = {\ text}
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@Inproceedings{hotho2006information,
  author = {Hotho, Andreas and J?schke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {Information Retrieval in Folksonomies: Search and Ranking},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{hotho2006information,
  author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {Information Retrieval in Folksonomies: Search and Ranking},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
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@Inproceedings{abrams1998information,
  author = {Abrams, David and Baecker, Ron and Chignell, Mark},
  title  = {Information archiving with bookmarks: personal Web space construction and organization},

  year   = {1998},
  number = {},
  url    = {http://dx.doi.org/10.1145/274644.274651},
  doi = {10.1145/274644.274651},
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@Incollection{wartena2011improving,
  author = {Wartena, Christian and Wibbels, Martin},
  title  = {Improving Tag-Based Recommendation by Topic Diversification},

  year   = {2011},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-20161-5_7},
  doi = {10.1007/978-3-642-20161-5_7},
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@Inproceedings{wetzker2010translating,
  author = {Wetzker, Robert and Zimmermann, Carsten and Bauckhage, Christian and Albayrak, Sahin},
  title  = {I tag, you tag: translating tags for advanced user models},

  year   = {2010},
  number = {},
  url    = {http://doi.acm.org/10.1145/1718487.1718497},
  doi = {10.1145/1718487.1718497},
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@Article{10.1109/TKDE.2012.115,
  author = {Zubiaga, Arkaitz and Fresno, Victor and Martinez, Raquel and Garcia-Plaza, Alberto P.},
  title  = {Harnessing Folksonomies to Produce a Social Classification of Resources},
  journal = {IEEE Transactions on Knowledge and Data Engineering},
  year   = {2012},
  number = {PrePrints},
  url    = {},
  doi = {http://doi.ieeecomputersociety.org/10.1109/TKDE.2012.115},
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@Inproceedings{dominguezgarcia2012freset,
  author = {Dom\'{\i}nguez Garc\'{\i}a, Renato and Bender, Matthias and Anjorin, Mojisola and Rensing, Christoph and Steinmetz, Ralf},
  title  = {FReSET: an evaluation framework for folksonomy-based recommender systems},

  year   = {2012},
  number = {},
  url    = {http://doi.acm.org/10.1145/2365934.2365939},
  doi = {10.1145/2365934.2365939},
  const  = {\ text}
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@Phdthesis{jaschke2011formal,
  author = {Jäschke, Robert},
  title  = {Formal concept analysis and tag recommendations in collaborative tagging systems},

  year   = {2011},
  number = {},
  url    = {http://opac.bibliothek.uni-kassel.de/DB=1/PPN?PPN=231779038},

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@Phdthesis{jaschke2011formal,
  author = {Jäschke, Robert},
  title  = {Formal concept analysis and tag recommendations in collaborative tagging systems},

  year   = {2011},
  number = {},
  url    = {http://opac.bibliothek.uni-kassel.de/DB=1/PPN?PPN=231779038},

  const  = {\ text}
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@Incollection{singer2014folksonomies,
  author = {Singer, Philipp and Niebler, Thomas and Hotho, Andreas and Strohmaier, Markus},
  title  = {Folksonomies},

  year   = {2014},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{gwizdka2007finding,
  author = {Gwizdka, Jacek and Cole, Michael},
  title  = {Finding It on Google, Finding It on del.icio.us.},

  year   = {2007},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/ercimdl/ecdl2007.html#GwizdkaC07},

  const  = {\ text}
}
@Inproceedings{Landia:2012:EFC:2365934.2365936,
  author = {Landia, Nikolas and Anand, Sarabjot Singh and Hotho, Andreas and J\"{a}schke, Robert and Doerfel, Stephan and Mitzlaff, Folke},
  title  = {Extending FolkRank with content data},

  year   = {2012},
  number = {},
  url    = {http://doi.acm.org/10.1145/2365934.2365936},
  doi = {10.1145/2365934.2365936},
  const  = {\ text}
}
@Article{yu2011exploring,
  author = {Yu, L. and Li, Q. and Xie, H. and Cai, Y.},
  title  = {Exploring Folksonomy and Cooking Procedures to Boost Cooking Recipe Recommendation},
  journal = {Web Technologies and Applications},
  year   = {2011},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{parra2009evaluation,
  author = {Parra, Denis and Brusilovsky, Peter},
  title  = {Evaluation of Collaborative Filtering Algorithms for Recommending Articles on CiteULike},

  year   = {2009},
  number = {},
  url    = {http://ceur-ws.org/Vol-467/paper5.pdf},

  const  = {\ text}
}
@Inproceedings{hotho2006emergent,
  author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {Emergent Semantics in BibSonomy},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006emergent.pdf},

  const  = {\ text}
}
@Article{landia2013deeper,
  author = {Landia, Nikolas and Doerfel, Stephan and Jäschke, Robert and Anand, Sarabjot Singh and Hotho, Andreas and Griffiths, Nathan},
  title  = {Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations},
  journal = {cs.IR},
  year   = {2013},
  number = {},
  url    = {http://arxiv.org/abs/1310.1498},

  const  = {\ text}
}
@Article{landia2013deeper,
  author = {Landia, Nikolas and Doerfel, Stephan and Jäschke, Robert and Anand, Sarabjot Singh and Hotho, Andreas and Griffiths, Nathan},
  title  = {Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations},
  journal = {cs.IR},
  year   = {2013},
  number = {},
  url    = {http://arxiv.org/abs/1310.1498},

  const  = {\ text}
}
@Article{landia2013deeper,
  author = {Landia, Nikolas and Doerfel, Stephan and Jäschke, Robert and Anand, Sarabjot Singh and Hotho, Andreas and Griffiths, Nathan},
  title  = {Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations},
  journal = {cs.IR},
  year   = {2013},
  number = {},
  url    = {http://arxiv.org/abs/1310.1498},

  const  = {\ text}
}
@Inproceedings{szomszor2008correlating,
  author = {Szomszor, Martin and Cantador, Iv{\'a}n and Alani, Harith},
  title  = {Correlating user profiles from multiple folksonomies},

  year   = {2008},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{grahl2007conceptuala,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmarking Sites},

  year   = {2007},
  number = {},
  url    = {http://www.tagora-project.eu/wp-content/2007/06/grahl_iknow07.pdf},

  const  = {\ text}
}
@Inproceedings{grahl2007conceptuala,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmarking Sites},

  year   = {2007},
  number = {},
  url    = {http://www.tagora-project.eu/wp-content/2007/06/grahl_iknow07.pdf},

  const  = {\ text}
}
@Inproceedings{grahl07conceptualKdml,
  author = {Grahl, Miranda and Hotho, Andreas and Stumme, Gerd},
  title  = {Conceptual Clustering of Social Bookmark Sites},

  year   = {2007},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/hotho/pub/2007/kdml_recommender_final.pdf},

  const  = {\ text}
}
@Article{Zhang20125759,
  author = {Zhang, Yin and Zhang, Bin and Gao, Kening and Guo, Pengwei and Sun, Daming},
  title  = {Combining content and relation analysis for recommendation in social tagging systems},
  journal = {Physica A: Statistical Mechanics and its Applications},
  year   = {2012},
  number = {22},
  url    = {http://www.sciencedirect.com/science/article/pii/S0378437112003846},
  doi = {10.1016/j.physa.2012.05.013},
  const  = {\ text}
}
@Inproceedings{angelova2008characterizing,
  author = {Angelova, Ralitsa and Lipczak, Marek and Milios, Evangelos and Prałat, Paweł},
  title  = {Characterizing a social bookmarking and tagging network},

  year   = {2008},
  number = {},
  url    = {http://www.math.ryerson.ca/~pralat/papers/2008_delicious.pdf},

  const  = {\ text}
}
@Incollection{jaeschke2012challenges,
  author = {Jäschke, Robert and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd},
  title  = {Challenges in Tag Recommendations for Collaborative Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-25694-3_3},
  doi = {10.1007/978-3-642-25694-3_3},
  const  = {\ text}
}
@Incollection{jaeschke2012challenges,
  author = {Jäschke, Robert and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd},
  title  = {Challenges in Tag Recommendations for Collaborative Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-25694-3_3},
  doi = {10.1007/978-3-642-25694-3_3},
  const  = {\ text}
}
@Incollection{jaeschke2012challenges,
  author = {Jäschke, Robert and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd},
  title  = {Challenges in Tag Recommendations for Collaborative Tagging Systems},

  year   = {2012},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-25694-3_3},
  doi = {10.1007/978-3-642-25694-3_3},
  const  = {\ text}
}
@Inproceedings{yanbe2007can,
  author = {Yanbe, Yusuke and Jatowt, Adam and Nakamura, Satoshi and Tanaka, Katsumi},
  title  = {Can social bookmarking enhance search in the web?},

  year   = {2007},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1255175.1255198},
  doi = {http://doi.acm.org/10.1145/1255175.1255198},
  const  = {\ text}
}
@Inproceedings{hotho2006bibsonomy,
  author = {Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd},
  title  = {BibSonomy: A Social Bookmark and Publication Sharing System},

  year   = {2006},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006bibsonomy.pdf},

  const  = {\ text}
}
@Article{peterson2006beneath,
  author = {Peterson, Elaine},
  title  = {Beneath the Metadata: Some Philosophical Problems with Folksonomy },
  journal = {D-Lib Magazine},
  year   = {2006},
  number = {11},
  url    = {http://www.dlib.org/dlib/november06/peterson/11peterson.html},
  doi = {10.1045/november2006-peterson},
  const  = {\ text}
}
@Article{november06peterson,
  author = {Peterson, Elaine},
  title  = {Beneath the Metadata: Some Philosophical Problems with Folksonomy },
  journal = {D-Lib Magazine},
  year   = {2006},
  number = {11},
  url    = {http://www.dlib.org/dlib/november06/peterson/11peterson.html},
  doi = {10.1045/november2006-peterson},
  const  = {\ text}
}
@Inproceedings{aurnhammer2006augmenting,
  author = {Aurnhammer, Melanie and Hanappe, Peter and Steels, Luc},
  title  = {Augmenting Navigation for Collaborative Tagging with Emergent Semantics},
  journal = {The Semantic Web - ISWC 2006},
  year   = {2006},
  number = {},
  url    = {http://dx.doi.org/10.1007/11926078_5},

  const  = {\ text}
}
@Inproceedings{jaeschke2007analysis,
  author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Stumme, Gerd},
  title  = {Analysis of the Publication Sharing Behaviour in BibSonomy},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{lorince2015analysis,
  author = {Lorince, Jared and Joseph, Kenneth and Todd, PeterM.},
  title  = {Analysis of Music Tagging and Listening Patterns: Do Tags Really Function as Retrieval Aids?},

  year   = {2015},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-319-16268-3_15},
  doi = {10.1007/978-3-319-16268-3_15},
  const  = {\ text}
}
@Inproceedings{zhou2008unsupervised,
  author = {Zhou, Mianwei and Bao, Shenghua and Wu, Xian and Yu, Yong},
  title  = {An Unsupervised Model for Exploring Hierarchical Semantics from Social Annotations},
  journal = {The Semantic Web},
  year   = {2008},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-540-76298-0_49},

  const  = {\ text}
}
@Article{gasevic2011approach,
  author = {Gasevic, Dragan and Zouaq, Amal and Torniai, Carlo and Jovanovic, Jelena and Hatala, Marek},
  title  = {An Approach to Folksonomy-based Ontology Maintenance for Learning Environments},
  journal = {IEEE Transactions on Learning Technologies},
  year   = {2011},
  number = {1},
  url    = {http://www.computer.org/portal/web/csdl/doi/10.1109/TLT.2011.21},
  doi = {10.1109/TLT.2011.21},
  const  = {\ text}
}
@Inproceedings{doerfel2013analysis,
  author = {Doerfel, Stephan and Jäschke, Robert},
  title  = {An analysis of tag-recommender evaluation procedures},

  year   = {2013},
  number = {},
  url    = {https://www.kde.cs.uni-kassel.de/pub/pdf/doerfel2013analysis.pdf},
  doi = {10.1145/2507157.2507222},
  const  = {\ text}
}
@Inproceedings{plangprasopchok2010probabilistic,
  author = {Plangprasopchok, Anon and Lerman, Kristina and Getoor, Lise},
  title  = {A Probabilistic Approach for Learning Folksonomies from Structured Data},

  year   = {2010},
  number = {},
  url    = {http://arxiv.org/abs/1011.3557},

  const  = {\ text}
}
@Inproceedings{pera2011personalized,
  author = {Pera, Maria Soledad and Ng, Yiu-Kai},
  title  = {A personalized recommendation system on scholarly publications},

  year   = {2011},
  number = {},
  url    = {http://doi.acm.org/10.1145/2063576.2063908},
  doi = {10.1145/2063576.2063908},
  const  = {\ text}
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@Inproceedings{wetzker2009hybrid,
  author = {Wetzker, Robert and Umbrath, Winfried and Said, Alan},
  title  = {A hybrid approach to item recommendation in folksonomies},

  year   = {2009},
  number = {},
  url    = {http://doi.acm.org/10.1145/1506250.1506255},
  doi = {10.1145/1506250.1506255},
  const  = {\ text}
}
@Incollection{solskinnsbakk2010hybrid,
  author = {Solskinnsbakk, Geir and Gulla, Jon},
  title  = {A Hybrid Approach to Constructing Tag Hierarchies},

  year   = {2010},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-16949-6_22},
  doi = {10.1007/978-3-642-16949-6_22},
  const  = {\ text}
}
@Inproceedings{krause2008comparison,
  author = {Krause, Beate and Hotho, Andreas and Stumme, Gerd},
  title  = {A comparison of social bookmarking with traditional search},

  year   = {2008},
  number = {},
  url    = {http://dl.acm.org/citation.cfm?id=1793274.1793290},

  const  = {\ text}
}
@Inproceedings{illig2009comparison,
  author = {Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {A Comparison of Content-Based Tag Recommendations in Folksonomy Systems},

  year   = {2011},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-22140-8_9},
  doi = {10.1007/978-3-642-22140-8_9},
  const  = {\ text}
}
@Inproceedings{illig2009comparison,
  author = {Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {A Comparison of Content-Based Tag Recommendations in Folksonomy Systems},

  year   = {2011},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-22140-8_9},
  doi = {10.1007/978-3-642-22140-8_9},
  const  = {\ text}
}
@Inproceedings{illig2011comparison,
  author = {Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {A Comparison of Content-Based Tag Recommendations in Folksonomy Systems},

  year   = {2011},
  number = {},
  url    = {http://dx.doi.org/10.1007/978-3-642-22140-8_9},
  doi = {10.1007/978-3-642-22140-8_9},
  const  = {\ text}
}
@Inproceedings{illig2011comparison,
  author = {Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {A Comparison of content-based Tag Recommendations in Folksonomy Systems},

  year   = {2011},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{illigtoappearcomparison,
  author = {Illig, Jens and Hotho, Andreas and Jäschke, Robert and Stumme, Gerd},
  title  = {A Comparison of content-based Tag Recommendations in Folksonomy Systems},

  year   = {to appear},
  number = {},
  url    = {},

  const  = {\ text}
}