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  year   = {2014},
  number = {5},
  url    = {http://dx.doi.org/10.1002/asi.23080},
  doi = {10.1002/asi.23080},
  const  = {\ text}
}
@Article{li2012validating,
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  url    = {http://dx.doi.org/10.1007/s11192-011-0580-x},
  doi = {10.1007/s11192-011-0580-x},
  const  = {\ text}
}
@Misc{lpezczar2012manipulating,
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  year   = {2012},
  number = {},
  url    = {http://arxiv.org/abs/1212.0638},

  const  = {\ text}
}
@Techreport{elahmad2011robustness,
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  year   = {2011},
  number = {},
  url    = {http://homepages.cs.ncl.ac.uk/jeff.yan/google.pdf},

  const  = {\ text}
}
@Article{melnik2010dremel,
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  year   = {2010},
  number = {1-2},
  url    = {http://dl.acm.org/citation.cfm?id=1920841.1920886},

  const  = {\ text}
}
@Article{Schnabel2008g,
  author = {Schnabel, Christoph},
  title  = {Keine Sperrung von Google durch Access-Provider},

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

  const  = {\ text}
}
@Article{cilibrasi2007google,
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  title  = {The Google Similarity Distance},
  journal = {IEEE Transactions on Knowledge and Data Engineering},
  year   = {2007},
  number = {},
  url    = {http://www.citebase.org/abstract?id=oai:arXiv.org:cs/0412098},

  const  = {\ text}
}
@Article{march06crane,
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  journal = {D-Lib Magazine},
  year   = {2006},
  number = {3},
  url    = {http://www.dlib.org/dlib/march06/crane/03crane.html},
  doi = {10.1045/march2006-crane},
  const  = {\ text}
}
@Article{1107505,
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  journal = {SIGMOD Rec.},
  year   = {2005},
  number = {4},
  url    = {},
  doi = {http://doi.acm.org/10.1145/1107499.1107505},
  const  = {\ text}
}
@Misc{haveliwala03second,
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  title  = {The second eigenvalue of the Google matrix},

  year   = {2003},
  number = {},
  url    = {http://citeseer.ist.psu.edu/haveliwala03second.html},

  const  = {\ text}
}
@Misc{haveliwala03second,
  author = {Haveliwala, T. and Kamvar, S.},
  title  = {The second eigenvalue of the Google matrix},

  year   = {2003},
  number = {},
  url    = {citeseer.ist.psu.edu/haveliwala03second.html},

  const  = {\ text}
}
@Article{brin1998anatomy,
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  journal = {Computer Networks and ISDN Systems},
  year   = {1998},
  number = {1--7},
  url    = {http://citeseer.ist.psu.edu/brin98anatomy.html},

  const  = {\ text}
}