@article{Wiebe1998,
  author	= {Wiebe, J. M. and O'Hara, T. P. and Christrom-Sandgren, T.},
  year		= {1998},
  title		= {An empirical approach to temporal reference resolution},
  journal	= {Journal of Artificial Intelligence Research},
  volume	= {9},
  pages		= {247--293},
}