@phdthesis{jaschke2011formal,
  address = {Heidelberg},
  author = {Jäschke, Robert},
  interhash = {dcb2cd1cd72ae45d77c4d8755d199405},
  intrahash = {bad02a0bbbf066907ecdee0ecaf9fb80},
  isbn = {1-60750-707-2},
  publisher = {Akad. Verl.-Ges. AKA},
  series = {Dissertations in artificial intelligence},
  title = {Formal concept analysis and tag recommendations in collaborative tagging systems},
  url = {http://opac.bibliothek.uni-kassel.de/DB=1/PPN?PPN=231779038},
  volume = 332,
  year = 2011
}