@article{gyongyi2004combating,
  author = {Gyöngyi, Zoltán and Garcia molina, Hector and Pedersen, Jan},
  interhash = {428bfe5366151d07a234864481364e60},
  intrahash = {cb480eab1c421d316fb8cb83f9688af3},
  pages = {576--587},
  title = {Combating web spam with trustrank},
  url = {http://citeseer.uark.edu:8080/citeseerx/viewdoc/summary?doi=10.1.1.122.8129},
  year = 2004
}

@article{lerch2010datenschutz,
  author = {Lerch, Hana and Krause, Beate and Hotho, Andreas and Roßnagel, Alexander and Stumme, Gerd},
  interhash = {bbe328f35326b84db30c14648c176384},
  intrahash = {fc44b1bdc724bbda45d08e35cba8b0ec},
  journal = {MultiMedia und Recht},
  pages = {454-458},
  title = {Social Bookmarking-Systeme – die unerkannten Datensammler - Ungewollte personenbezogene Datenverabeitung?},
  volume = 7,
  year = 2010
}

@article{lerch2010datenschutz,
  author = {Lerch, Hana and Krause, Beate and Hotho, Andreas and Roßnagel, Alexander and Stumme, Gerd},
  interhash = {bbe328f35326b84db30c14648c176384},
  intrahash = {fc44b1bdc724bbda45d08e35cba8b0ec},
  journal = {MultiMedia und Recht},
  pages = {454-458},
  title = {Social Bookmarking-Systeme – die unerkannten Datensammler - Ungewollte personenbezogene Datenverabeitung?},
  volume = 7,
  year = 2010
}