@Article{themenheft2007webmining,
  author = {Hotho, Andreas and Stumme, Gerd},
  title  = {Mining the World Wide Web -- Methods, Ap-
plications, and Perspectives},
  journal = {Künstliche Intelligenz},
  year   = {2007},
  number = {3},
  url    = {http://www.kuenstliche-intelligenz.de/index.php?id=7758},

  const  = {\ text}
}
@Proceedings{themenheft2007webmining,

  title  = {Themenheft Web Mining, Künstliche Intelligenz},
  journal = {Künstliche Intelligenz},
  year   = {2007},
  number = {3},
  url    = {http://www.kuenstliche-intelligenz.de/index.php?id=7758},

  const  = {\ text}
}