@book{mitchell2010machine,
  address = {New York, NY [u.a.},
  author = {Mitchell, Tom M.},
  interhash = {8be657b11d4324941ba419c176c0229a},
  intrahash = {adfebd1b18f04021ba0edd69ccaa3d96},
  isbn = {0071154671 9780071154673},
  publisher = {McGraw-Hill},
  refid = {846511832},
  title = {Machine learning},
  url = {http://www.amazon.com/Machine-Learning-Tom-M-Mitchell/dp/0070428077},
  year = 2010
}

@mastersthesis{illig2008machine,
  address = {Kassel},
  author = {Illig, Jens},
  interhash = {65c16443f45ffd46175f68d14b4f809a},
  intrahash = {9a65067da65e8301182b33b4ae292141},
  school = {University of Kassel},
  title = {Machine Learnability Analysis of Textclassifications in a Social Bookmarking Folksonomy},
  type = {Bachelor Thesis},
  year = 2008
}