@InProceedings{WiBe_CAI2007,
  author = 	 {Ren{\'{e}} Witte and Sabine Bergler},
  title = 	 {{Fuzzy Clustering for Topic Analysis and Summarization of Document Collections}},
  booktitle =	 {Proc.\ of the 20th Canadian Conference on Artificial Intelligence (Canadian A.I. 2007)},
  pages =	 {476--488},
  year =	 {2007},
  editor =	 {Z. Kobti and D. Wu},
  series =	 {LNAI 4509},
  address =	 {Montr{\'{e}}al, Qu{\'{e}}bec, Canada},
  month =	 {May 28--30},
  publisher =	 {Springer},
}

@InProceedings{KrWiBe_CAI2007,
  author = 	 {Ralf Krestel and Ren{\'{e}} Witte and Sabine Bergler},
  title =        {{Creating a Fuzzy Believer to Model Human Newspaper Readers}},
  booktitle =	 {Proc.\ of the 20th Canadian Conference on Artificial Intelligence (Canadian A.I. 2007)},
  pages =	 {489--501},
  year =	 {2007},
  editor =	 {Z. Kobti and D. Wu},
  series =	 {LNAI 4509},
  address =	 {Montr{\'{e}}al, Qu{\'{e}}bec, Canada},
  month =	 {May 28--30},
  publisher =	 {Springer},
}