@inproceedings{BosOka2002COLING,
   title     = {An Inference-based Approach to Dialogue System Design},
   author    = {Bos, Johan and Oka, Tetsushi},
   booktitle = {COLING 2002. Proceedings of the 19th International Conference on Computational Linguistics},
   pages     = {113--119},
   year      = {2002}
}