Parsimonious covering as a method for natural language interfaces to expert systems

@article{Dasigi1989ParsimoniousCA,
  title={Parsimonious covering as a method for natural language interfaces to expert systems},
  author={Venugopala R. Dasigi and James A. Reggia},
  journal={Artificial Intelligence in Medicine},
  year={1989},
  volume={1},
  pages={49-60}
}