@inproceedings{Gerdemann95,
  author	= {Gerdemann, Dale},
  year		= {1995},
  title		= {Open and Closed World Types in NLP Systems},
  booktitle	= {Proceedings of 5. Fachtagung der Sektion Computerlinguistik der DGfS},
  pages		= {25--30},
  address	= {Duesseldorf}
}