@Inproceedings{jaschke2013attribute,
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  title  = {Attribute Exploration on the Web},

  year   = {2013},
  number = {},
  url    = {http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-113133},

  const  = {\ text}
}
@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},
  doi = {http://doi.acm.org/10.1145/1379092.1379123},
  const  = {\ text}
}
@Inproceedings{ducrou2006FCA,
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  title  = {FCA-based Browsing and Searching of a Collection of Images},

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

  const  = {\ text}
}
@Inproceedings{ducrou2006FCA,

  title  = {FCA-based Browsing and Searching of a Collection of Images},

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

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

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

  const  = {\ text}
}
@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}
}
@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}
}
@Article{cole03document,
  author = {Cole, Richard J. and Eklund, Peter W. and Stumme, Gerd},
  title  = {Document Retrieval for Email Search and Discovery using Formal Concept Analysis},
  journal = {Journal of Applied Artificial Intelligence (AAI)},
  year   = {2003},
  number = {3},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2003/AAI03_emails.pdf},

  const  = {\ text}
}
@Book{ferber2003information,
  author = {Ferber, Reginald},
  title  = {Information Retrieval: Suchmodelle und Data-Mining-Verfahren für Textsammlungen und das Web},

  year   = {2003},
  number = {},
  url    = {http://information-retrieval.de/},

  const  = {\ text}
}
@Inproceedings{hotho03wordnet,
  author = {Hotho, A and Staab, S. and Stumme, G.},
  title  = {Wordnet improves text document clustering},

  year   = {2003},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2003/hotho2003wordnet.pdf},

  const  = {\ text}
}
@Inproceedings{conf/www/SarwarKKR01,
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  title  = {Item-based collaborative filtering recommendation algorithms.},

  year   = {2001},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/www/www2001.html#SarwarKKR01},

  const  = {\ text}
}
@Book{books/aw/Baeza-YatesR99,
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  title  = {Modern Information Retrieval},

  year   = {1999},
  number = {},
  url    = {http://www.ischool.berkeley.edu/~hearst/irbook/glossary.html},

  const  = {\ text}
}
@Inproceedings{stumme99dual,
  author = {Stumme, Gerd},
  title  = {Dual Retrieval in Conceptual Information Systems},

  year   = {1999},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/1999/P2021-BTW99.pdf},

  const  = {\ text}
}
@Book{sparck-jones+willett97,

  title  = {Readings in Information Retrieval},

  year   = {1997},
  number = {},
  url    = {},

  const  = {\ text}
}
@Article{keyhere,
  author = {Carpineto, Claudio and Romano, Giovanni},
  title  = {A lattice conceptual clustering system and its application to browsing retrieval},
  journal = {Machine Learning},
  year   = {1996},
  number = {2},
  url    = {http://dx.doi.org/10.1007/BF00058654},

  const  = {\ text}
}
@Inproceedings{lang95newsweeder,
  author = {Lang, Ken},
  title  = {NewsWeeder: learning to filter netnews},

  year   = {1995},
  number = {},
  url    = {http://citeseer.ist.psu.edu/lang95newsweeder.html},

  const  = {\ text}
}
@Inproceedings{conf/sigir/Voorhees94,
  author = {Voorhees, Ellen M.},
  title  = {Query Expansion Using Lexical-Semantic Relations.},

  year   = {1994},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/sigir/sigir94.html#Voorhees94},

  const  = {\ text}
}
@Book{rijsbergen79information,
  author = {van Rijsbergen, C. J.},
  title  = {Information retrieval},

  year   = {1979},
  number = {},
  url    = {http://www.dcs.gla.ac.uk/Keith/Preface.html},

  const  = {\ text}
}