@INBOOK{Hopfgartner:2011b,
  title = {Capturing Long-Term User Interests in Online Television News Programs},
  publisher = {CRC Press},
  year = {2011},
  author = {Hopfgartner, Frank},
  series = {TV Content Analysis: Techniques and Applications},
  edition = {1},
  chapter = {11},
  isbn={9781439855607},
  kind="Book Chapter",
}