@inproceedings{BittnerSmith2003-granular,
  author	= {Bittner, Thomas and Smith, Barry},
  URL		= {http://people.ifomis.uni-leipzig.de/thomas.bittner/SSS303TBittner.pdf},
  pdf		= {http://people.ifomis.uni-leipzig.de/thomas.bittner/SSS303TBittner.pdf},
  title		= {Granular Spatio-Temporal Ontologies},
  booktitle	= {2003 AAAI Symposium: Foundations and Applications of Spatio-Temporal Reasoning (FASTR)},
  year		= {2003}
}