@article{Mittal-etal98,
  author	= {Mittal, Vibhu O. and Moore, Johanna D. and Carenini, Giuseppe and Roth, Steven},
  month		= sep,
  year		= {1998},
  title		= {Describing complex charts in natural language: a caption generation system},
  journal	= {Computational Linguistics},
  volume	= {24},
  number	= {3},
  pages		= {431--468}
}