Processing natural language for an expert system using a sub-language approach.

@inproceedings{liddy-1991-processing, author = {Elizabeth D. Liddy and Corinne Lyon J\"{o}rgensen and Ernest E. Sibert and Edmund S. Yu}, editor = {Jacques J. Arsac}, title = {{Processing natural language for an expert system using a sub-language approach}}, booktitle = {{Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 1991, 3rd International Conference, Universitad Autonoma de Barcelona, Spain, April 2 - May 5, 1991. Proceedings}}, pages = {707--718}, publisher = {CID}, year = {1991}, url = {https://dl.acm.org/doi/10.5555/3171004.3171017} }